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class="vector-menu-heading"> Navegació </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Portada" title="Visiteu la pàgina principal [z]" accesskey="z"><span>Portada</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Especial:Article_aleatori" title="Carrega una pàgina a l’atzar [x]" accesskey="x"><span>Article a l'atzar</span></a></li><li id="n-Articles-de-qualitat" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Articles_de_qualitat"><span>Articles de qualitat</span></a></li> </ul> </div> </div> <div id="p-Comunitat" class="vector-menu mw-portlet mw-portlet-Comunitat" > <div class="vector-menu-heading"> Comunitat </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-portal" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Portal" title="Sobre el projecte, què podeu fer, on trobareu les coses"><span>Portal viquipedista</span></a></li><li id="n-Agenda-d'actes" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Trobades"><span>Agenda d'actes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Especial:Canvis_recents" title="Una llista dels canvis recents al wiki [r]" accesskey="r"><span>Canvis recents</span></a></li><li id="n-La-taverna" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:La_taverna"><span>La taverna</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Contacte"><span>Contacte</span></a></li><li id="n-Xat" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Canals_IRC"><span>Xat</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Ajuda" title="El lloc per a saber més coses"><span>Ajuda</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Portada" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Viquipèdia" src="/static/images/mobile/copyright/wikipedia-wordmark-ca.svg" style="width: 7.5em; height: 1.4375em;"> <img class="mw-logo-tagline" alt="l'Enciclopèdia Lliure" src="/static/images/mobile/copyright/wikipedia-tagline-ca.svg" width="120" height="14" style="width: 7.5em; height: 0.875em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Especial:Cerca" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Cerca a la Viquipèdia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Cerca</span> </a> <div 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<div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aparença" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aparença</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_ca.wikipedia.org&uselang=ca" class=""><span>Donatius</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Crea_compte&returnto=Oposici%C3%B3+%28escacs%29" title="Us animem a crear un compte i iniciar una sessió, encara que no és obligatori" class=""><span>Crea un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Registre_i_entrada&returnto=Oposici%C3%B3+%28escacs%29" title="Us animem a registrar-vos, però no és obligatori [o]" accesskey="o" class=""><span>Inicia la sessió</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Més opcions" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Eines personals" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Eines personals</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menú d'usuari" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_ca.wikipedia.org&uselang=ca"><span>Donatius</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Crea_compte&returnto=Oposici%C3%B3+%28escacs%29" title="Us animem a crear un compte i iniciar una sessió, encara que no és obligatori"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Crea un compte</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Registre_i_entrada&returnto=Oposici%C3%B3+%28escacs%29" title="Us animem a registrar-vos, però no és obligatori [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Inicia la sessió</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pàgines per a editors no registrats <a href="/wiki/Ajuda:Introducci%C3%B3" aria-label="Vegeu més informació sobre l'edició"><span>més informació</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Especial:Contribucions_pr%C3%B2pies" title="Una llista de les modificacions fetes des d'aquesta adreça IP [y]" accesskey="y"><span>Contribucions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:Discussi%C3%B3_personal" title="Discussió sobre les edicions per aquesta adreça ip. [n]" accesskey="n"><span>Discussió per aquest IP</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Lloc"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contingut" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contingut</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">amaga</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inici</div> </a> </li> <li id="toc-Oposició_directa" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Oposició_directa"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Oposició directa</span> </div> </a> <button aria-controls="toc-Oposició_directa-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Commuta la subsecció Oposició directa</span> </button> <ul id="toc-Oposició_directa-sublist" class="vector-toc-list"> <li id="toc-Exemple" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exemple"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Exemple</span> </div> </a> <ul id="toc-Exemple-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Oposició_diagonal" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Oposició_diagonal"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Oposició diagonal</span> </div> </a> <ul id="toc-Oposició_diagonal-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Oposició_distant" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Oposició_distant"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Oposició distant</span> </div> </a> <button aria-controls="toc-Oposició_distant-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Commuta la subsecció Oposició distant</span> </button> <ul id="toc-Oposició_distant-sublist" class="vector-toc-list"> <li id="toc-Eina_per_aprendre" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Eina_per_aprendre"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Eina per aprendre</span> </div> </a> <ul id="toc-Eina_per_aprendre-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Propòsit" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propòsit"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Propòsit</span> </div> </a> <ul id="toc-Propòsit-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_i_referències" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_i_referències"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes i referències</span> </div> </a> <ul id="toc-Notes_i_referències-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliografia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliografia"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Bibliografia</span> </div> </a> <ul id="toc-Bibliografia-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contingut" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Commuta la taula de continguts." > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Commuta la taula de continguts.</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Oposició (escacs)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vés a un article en una altra llengua. Disponible en 17 llengües" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-17" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">17 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D8%B6%D8%A7%D8%AF_(%D8%B4%D8%B7%D8%B1%D9%86%D8%AC)" title="تضاد (شطرنج) - àrab" lang="ar" hreflang="ar" data-title="تضاد (شطرنج)" data-language-autonym="العربية" data-language-local-name="àrab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Oppozisiya_(%C5%9Fahmat)" title="Oppozisiya (şahmat) - azerbaidjanès" lang="az" hreflang="az" data-title="Oppozisiya (şahmat)" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaidjanès" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Opozicija_(%C5%A1ah)" title="Opozicija (šah) - bosnià" lang="bs" hreflang="bs" data-title="Opozicija (šah)" data-language-autonym="Bosanski" data-language-local-name="bosnià" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Opozice_(%C5%A1achy)" title="Opozice (šachy) - txec" lang="cs" hreflang="cs" data-title="Opozice (šachy)" data-language-autonym="Čeština" data-language-local-name="txec" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Opposition_(skak)" title="Opposition (skak) - danès" lang="da" hreflang="da" data-title="Opposition (skak)" data-language-autonym="Dansk" data-language-local-name="danès" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Opposition_(Schach)" title="Opposition (Schach) - alemany" lang="de" hreflang="de" data-title="Opposition (Schach)" data-language-autonym="Deutsch" data-language-local-name="alemany" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Opposition_(chess)" title="Opposition (chess) - anglès" lang="en" hreflang="en" data-title="Opposition (chess)" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Oposici%C3%B3n_(ajedrez)" title="Oposición (ajedrez) - espanyol" lang="es" hreflang="es" data-title="Oposición (ajedrez)" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Oppositio_(shakki)" title="Oppositio (shakki) - finès" lang="fi" hreflang="fi" data-title="Oppositio (shakki)" data-language-autonym="Suomi" data-language-local-name="finès" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Opposition_(%C3%A9checs)" title="Opposition (échecs) - francès" lang="fr" hreflang="fr" data-title="Opposition (échecs)" data-language-autonym="Français" data-language-local-name="francès" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Opposizione_(scacchi)" title="Opposizione (scacchi) - italià" lang="it" hreflang="it" data-title="Opposizione (scacchi)" data-language-autonym="Italiano" data-language-local-name="italià" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Oppositioun_(Schach)" title="Oppositioun (Schach) - luxemburguès" lang="lb" hreflang="lb" data-title="Oppositioun (Schach)" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburguès" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9E%D0%BF%D0%BE%D0%B7%D0%B8%D1%86%D0%B8%D1%98%D0%B0_(%D1%88%D0%B0%D1%85)" title="Опозиција (шах) - macedoni" lang="mk" hreflang="mk" data-title="Опозиција (шах)" data-language-autonym="Македонски" data-language-local-name="macedoni" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Oppositie_(schaken)" title="Oppositie (schaken) - neerlandès" lang="nl" hreflang="nl" data-title="Oppositie (schaken)" data-language-autonym="Nederlands" data-language-local-name="neerlandès" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Oposi%C3%A7%C3%A3o_(xadrez)" title="Oposição (xadrez) - portuguès" lang="pt" hreflang="pt" data-title="Oposição (xadrez)" data-language-autonym="Português" data-language-local-name="portuguès" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9E%D0%BF%D0%BF%D0%BE%D0%B7%D0%B8%D1%86%D0%B8%D1%8F_(%D1%88%D0%B0%D1%85%D0%BC%D0%B0%D1%82%D1%8B)" title="Оппозиция (шахматы) - rus" lang="ru" hreflang="ru" data-title="Оппозиция (шахматы)" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9E%D0%BF%D0%BE%D0%B7%D0%B8%D1%86%D1%96%D1%8F_(%D1%88%D0%B0%D1%85%D0%B8)" title="Опозиція (шахи) - ucraïnès" lang="uk" hreflang="uk" data-title="Опозиція (шахи)" data-language-autonym="Українська" data-language-local-name="ucraïnès" class="interlanguage-link-target"><span>Українська</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1568233#sitelinks-wikipedia" title="Modifica enllaços interlingües" class="wbc-editpage">Modifica els enllaços</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espais de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Oposici%C3%B3_(escacs)" title="Vegeu el contingut de la pàgina [c]" accesskey="c"><span>Pàgina</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussi%C3%B3:Oposici%C3%B3_(escacs)" rel="discussion" title="Discussió sobre el contingut d'aquesta pàgina [t]" accesskey="t"><span>Discussió</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Canvia la variant de llengua" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">català</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vistes"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Oposici%C3%B3_(escacs)"><span>Mostra</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit" title="Modifica el codi font d'aquesta pàgina [e]" accesskey="e"><span>Modifica</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=history" title="Versions antigues d'aquesta pàgina [h]" accesskey="h"><span>Mostra l'historial</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Eines de la pàgina"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Eines" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Eines</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Eines</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">amaga</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Més opcions" > <div class="vector-menu-heading"> Accions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Oposici%C3%B3_(escacs)"><span>Mostra</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit" title="Modifica el codi font d'aquesta pàgina [e]" accesskey="e"><span>Modifica</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=history"><span>Mostra l'historial</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:Enlla%C3%A7os/Oposici%C3%B3_(escacs)" title="Una llista de totes les pàgines wiki que enllacen amb aquesta [j]" accesskey="j"><span>Què hi enllaça</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:Seguiment/Oposici%C3%B3_(escacs)" rel="nofollow" title="Canvis recents a pàgines enllaçades des d'aquesta pàgina [k]" accesskey="k"><span>Canvis relacionats</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A0gines_especials" title="Llista totes les pàgines especials [q]" accesskey="q"><span>Pàgines especials</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&oldid=31798428" title="Enllaç permanent a aquesta revisió de la pàgina"><span>Enllaç permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=info" title="Més informació sobre aquesta pàgina"><span>Informació de la pàgina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citau&page=Oposici%C3%B3_%28escacs%29&id=31798428&wpFormIdentifier=titleform" title="Informació sobre com citar aquesta pàgina"><span>Citau aquest article</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:UrlShortener&url=https%3A%2F%2Fca.wikipedia.org%2Fwiki%2FOposici%25C3%25B3_%28escacs%29"><span>Obtén una URL abreujada</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fca.wikipedia.org%2Fwiki%2FOposici%25C3%25B3_%28escacs%29"><span>Descarrega el codi QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimeix/exporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Llibre&bookcmd=book_creator&referer=Oposici%C3%B3+%28escacs%29"><span>Crea un llibre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=Oposici%C3%B3_%28escacs%29&action=show-download-screen"><span>Baixa com a PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&printable=yes" title="Versió per a impressió d'aquesta pàgina [p]" accesskey="p"><span>Versió per a impressora</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> En altres projectes </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1568233" title="Enllaç a l'element del repositori de dades connectat [g]" accesskey="g"><span>Element a Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Eines de la pàgina"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aparença</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">amaga</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Viquipèdia, l'enciclopèdia lliure</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ca" dir="ltr"><table align="right"> <tbody><tr> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/Fitxer:Chess_kll45.svg" class="mw-file-description" title="Rei blanc"><img alt="Rei blanc" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Chess_kll45.svg/45px-Chess_kll45.svg.png" decoding="async" width="45" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Chess_kll45.svg/68px-Chess_kll45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Chess_kll45.svg/90px-Chess_kll45.svg.png 2x" data-file-width="45" data-file-height="45" /></a></span> </td> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/Fitxer:Chess_d45.svg" class="mw-file-description" title="Casella"><img alt="Casella" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/Chess_d45.svg/45px-Chess_d45.svg.png" decoding="async" width="45" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/Chess_d45.svg/68px-Chess_d45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/37/Chess_d45.svg/90px-Chess_d45.svg.png 2x" data-file-width="45" data-file-height="45" /></a></span> </td> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/Fitxer:Chess_kdl45.svg" class="mw-file-description" title="Rei negre"><img alt="Rei negre" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Chess_kdl45.svg/45px-Chess_kdl45.svg.png" decoding="async" width="45" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Chess_kdl45.svg/68px-Chess_kdl45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/04/Chess_kdl45.svg/90px-Chess_kdl45.svg.png 2x" data-file-width="45" data-file-height="45" /></a></span> </td></tr></tbody></table> <p>En <a href="/wiki/Escacs" title="Escacs">escacs</a>, l'<b>oposició</b> (o <b>oposició directa</b>) és la situació que es produeix quan els dos <a href="/wiki/Rei_(escacs)" title="Rei (escacs)">reis</a> es troben cara a cara en una <a href="/wiki/Fila_(escacs)" class="mw-redirect" title="Fila (escacs)">fila</a> o <a href="/wiki/Columna_(escacs)" class="mw-redirect" title="Columna (escacs)">columna</a>, amb només una casella entre ells. En aquesta situació, el jugador que no té el torn es diu que "té l'oposició" (<a class="mw-selflink-fragment" href="#CITEREFFlear2004">Flear 2004</a>:12). És un tipus especial de <a href="/wiki/Zugzwang" title="Zugzwang">zugzwang</a> i ocorre principalment als <a href="/wiki/Final_d%27escacs" class="mw-redirect" title="Final d'escacs">finals</a> amb només reis i <a href="/wiki/Pe%C3%B3_(escacs)" title="Peó (escacs)">peons</a> (<a class="mw-selflink-fragment" href="#CITEREFFlear2000">Flear 2000</a>:36). El bàndol que té el torn es veu obligat a moure el seu rei, cosa que potencialment permet que el rei rival accedeixi a caselles importants. Prendre l'oposició s'ha de fer amb sentit (normalment forçant el rei rival a moure's a una posició pitjor), i no és sempre la millor opció. </p><p>Hi ha varietats de l'oposició directa, com ara l'<a href="#Oposició_diagonal">oposició diagonal</a> i l'<a href="#Oposició_distant">oposició distant</a>, que poden usar-se per arribar a l'oposició directa. Hom es pot referir a totes tres simplement com a <i>oposició</i> si el tipus concret d'oposició no és ambigu en funció del context. </p> <table cellspacing="0" cellpadding="0" style="clear: left; margin-bottom: .5em; float: left; padding: .5em 1.4em .8em 0; background: none; width: auto;"> <tbody><tr> <td><meta property="mw:PageProp/toc" /> </td></tr></tbody></table> <p><br /> <style data-mw-deduplicate="TemplateStyles:r33663753">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:#f9f9f9;display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}.mw-parser-output .side-box-center{clear:both;margin:auto}}</style></p><div class="side-box metadata side-box-left" style="width:230px;"> <div class="side-box-flex"> <div class="side-box-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/1.e4.png/20px-1.e4.png" decoding="async" width="20" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/1.e4.png/30px-1.e4.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/57/1.e4.png/40px-1.e4.png 2x" data-file-width="629" data-file-height="304" /></span></span></div> <div class="side-box-text plainlist">Aquest article empra la <a href="/wiki/Notaci%C3%B3_algebraica" title="Notació algebraica">notació algebraica</a> per descriure moviments d'escacs.</div></div> </div> <div style="clear:left;"></div> <div style="clear:both;"></div> <div class="mw-heading mw-heading2"><h2 id="Oposició_directa"><span id="Oposici.C3.B3_directa"></span>Oposició directa</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=1" title="Modifica la secció: Oposició directa"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tright" style="clear:right;text-align:center;max-width:254px"><div style="line-height:130%"> </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/208px-Chessboard480.svg.png" decoding="async" width="208" height="208" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/312px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/416px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:26px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b7 negres rei"><img alt="b7 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/26px-Chess_kdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/39px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/52px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:78px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b5 blanques rei"><img alt="b5 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/26px-Chess_klt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/39px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/52px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:104px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b4 blanques peó"><img alt="b4 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Oposició directa. Si les negres mouen, les blanques tenen l'oposició i guanyen. Si les blanques mouen, llavors les negres tenen l'oposició i <a href="/wiki/Taules_(escacs)" title="Taules (escacs)">entaulen</a>.</div></div></div> <p>L'<i>oposició directa</i> ocorre quan els dos reis s'acaren al llarg d'una fila o columna amb només una casella enmig. Quan hom empra el terme <i>oposició</i>, normalment es refereix a l'<i>oposició directa</i>. </p><p>En aquest diagrama, el jugador que no té el torn té l'oposició. Si és el torn de les negres, les blanques tenen l'oposició i guanyen (<a class="mw-selflink-fragment" href="#CITEREFFlear2004">Flear 2004</a>:23). (Vegeu <a href="/w/index.php?title=Final_de_rei_i_pe%C3%B3_contra_rei&action=edit&redlink=1" class="new" title="Final de rei i peó contra rei (encara no existeix)">final de rei i peó contra rei</a>.) Si fos el torn de les blanques, les negres tindrien l'oposició i obtindrien <a href="/wiki/Taules_(escacs)" title="Taules (escacs)">taules</a>. </p> <div style="clear:both;"></div> <div class="mw-heading mw-heading3"><h3 id="Exemple">Exemple</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=2" title="Modifica la secció: Exemple"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tright" style="clear:right;text-align:center;max-width:254px"><div style="line-height:130%">Gligorić vs. Fischer, 1959 </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/208px-Chessboard480.svg.png" decoding="async" width="208" height="208" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/312px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/416px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:0px;left:52px;width:26px;height:26px"><span typeof="mw:File"><span title="c8 negres rei"><img alt="c8 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/26px-Chess_kdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/39px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/52px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:0px;width:26px;height:26px"><span typeof="mw:File"><span title="a6 black circle"><img alt="a6 black circle" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/26px-Chess_xot45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/39px-Chess_xot45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/52px-Chess_xot45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b6 black circle"><img alt="b6 black circle" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/26px-Chess_xot45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/39px-Chess_xot45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/52px-Chess_xot45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:52px;width:26px;height:26px"><span typeof="mw:File"><span title="c6 black circle"><img alt="c6 black circle" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/26px-Chess_xot45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/39px-Chess_xot45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/52px-Chess_xot45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:104px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b4 blanques peó"><img alt="b4 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:104px;left:52px;width:26px;height:26px"><span typeof="mw:File"><span title="c4 blanques rei"><img alt="c4 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/26px-Chess_klt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/39px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/52px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Posició després de 57. Rc4. Les caselles marcades són <a href="/wiki/Casella_clau" title="Casella clau">caselles claus</a>; les negres entaulen </div></div></div> <p>A la partida de 1959 entre <a href="/wiki/Svetozar_Gligori%C4%87" title="Svetozar Gligorić">Svetozar Gligorić</a> i <a href="/wiki/Bobby_Fischer" title="Bobby Fischer">Bobby Fischer</a>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> les negres poden fer taules tot evitant que el rei blanc assoleixi qualsevol de les <a href="/wiki/Caselles_clau" class="mw-redirect" title="Caselles clau">caselles clau</a> (marcades amb punts). Això s'aconsegueix no permetent que les blanques prenguin l'oposició, i prenent l'oposició si el rei blanc avança. </p> <dl><dd><b>57... Rb8!</b></dd></dl> <p>Aquesta <a href="/wiki/Jugada_d%27espera" class="mw-redirect" title="Jugada d'espera">jugada d'espera</a> és l'única que fa taules. (A la partida real els jugadors <a href="/w/index.php?title=Taules_per_mutu_acord&action=edit&redlink=1" class="new" title="Taules per mutu acord (encara no existeix)">feren taules</a> en aquest moment). Altres moviments permetrien que el blanc prengués l'oposició i assolís una casella clau. Si el rei blanc assoleix una casella clau, guanya. Per exemple 1... Rb7? 2. Rb5, llavors el rei negre mou i el rei blanc arriba a una casella clau, i guanya tot forçant la <a href="/wiki/Promoci%C3%B3_(escacs)" title="Promoció (escacs)">promoció</a> del peó. </p> <dl><dd><b>58. Rc5 Rc7</b></dd> <dd><b>59. Rb5 Rb7</b></dd> <dd><b>60. Ra5 Ra7</b> i les negres entaulen. En aquesta seqüència, qualssevol altres moviments del negre perden (<a class="mw-selflink-fragment" href="#CITEREFMüllerLamprecht2007">Müller & Lamprecht 2007</a>:20), (<a class="mw-selflink-fragment" href="#CITEREFFischer2008">Fischer 2008</a>:86).</dd></dl> <div style="clear:both;"></div> <div class="mw-heading mw-heading2"><h2 id="Oposició_diagonal"><span id="Oposici.C3.B3_diagonal"></span>Oposició diagonal</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=3" title="Modifica la secció: Oposició diagonal"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tleft" style="clear:none;text-align:center;max-width:254px"><div style="line-height:130%"> </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/208px-Chessboard480.svg.png" decoding="async" width="208" height="208" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/312px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/416px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:26px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e7 negres rei"><img alt="e7 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/26px-Chess_kdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/39px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/52px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:26px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g7 negres peó"><img alt="g7 negres peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/26px-Chess_pdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/39px-Chess_pdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/52px-Chess_pdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g6 blanques peó"><img alt="g6 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:78px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e5 blanques rei"><img alt="e5 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/26px-Chess_klt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/39px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/52px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:78px;left:130px;width:26px;height:26px"><span typeof="mw:File"><span title="f5 blanques peó"><img alt="f5 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Juguen les negres. Les blanques tenen l'oposició directa, però això no és suficient per guanyar, cal convertir-la primer en oposició diagonal. </div></div></div> <div class="thumb tright" style="clear:right;text-align:center;max-width:254px"><div style="line-height:130%"> </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/208px-Chessboard480.svg.png" decoding="async" width="208" height="208" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/312px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/416px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:0px;left:130px;width:26px;height:26px"><span typeof="mw:File"><span title="f8 negres rei"><img alt="f8 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/26px-Chess_kdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/39px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/52px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:26px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g7 negres peó"><img alt="g7 negres peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/26px-Chess_pdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/39px-Chess_pdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/52px-Chess_pdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:78px;width:26px;height:26px"><span typeof="mw:File"><span title="d6 blanques rei"><img alt="d6 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/26px-Chess_klt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/39px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/52px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g6 blanques peó"><img alt="g6 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:78px;left:130px;width:26px;height:26px"><span typeof="mw:File"><span title="f5 blanques peó"><img alt="f5 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Juguen les negres. Les blanques tenen l'oposició diagonal. </div></div></div> <p>L'oposició al llarg d'una diagonal (en lloc de l'oposició en una fila o columna) s'anomena <i>oposició diagonal</i>. De vegades l'oposició diagonal s'usa per assolir l'oposició directa. Un exemple és la posició del diagrama de l'esquerra, en què les negres mouen. Les blanques tenen l'oposició directa en aquesta posició, però això no els permet guanyar perquè el seu rei no pot atacar el peó negre. Les blanques necessiten arribar a assolir l'oposició directa més a prop del peó. </p> <dl><dd><b>1. ... Rf8</b></dd> <dd><b>2. Rd6</b> i les blanques tenen l'oposició diagonal (diagrama de la dreta).</dd> <dd><b>2. ... Re8</b></dd> <dd><b>3. Re6</b> Ara les blanques tenen l'oposició directa en una casella útil, i guanyen:</dd> <dd><b>3. ... Rf8</b></dd> <dd><b>4. Rd7 Rg8</b></dd> <dd><b>5. Re7 Rh8</b></dd> <dd><b>6. f6 gxf6</b></dd> <dd><b>7. Rf7</b> o <b>7. Rxf6</b> guanya per les blanques (<a class="mw-selflink-fragment" href="#CITEREFFlear2004">Flear 2004</a>:33).</dd></dl> <div style="clear:both;"></div> <div class="mw-heading mw-heading2"><h2 id="Oposició_distant"><span id="Oposici.C3.B3_distant"></span>Oposició distant</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=4" title="Modifica la secció: Oposició distant"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tright" style="clear:right;text-align:center;max-width:254px"><div style="line-height:130%">de Capablanca </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/208px-Chessboard480.svg.png" decoding="async" width="208" height="208" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/312px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/416px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:0px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e8 negres rei"><img alt="e8 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/26px-Chess_kdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/39px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/52px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:78px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b5 negres peó"><img alt="b5 negres peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/26px-Chess_pdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/39px-Chess_pdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/52px-Chess_pdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:78px;left:182px;width:26px;height:26px"><span typeof="mw:File"><span title="h5 negres peó"><img alt="h5 negres peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/26px-Chess_pdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/39px-Chess_pdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Chess_pdt45.svg/52px-Chess_pdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:104px;left:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b4 blanques peó"><img alt="b4 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:104px;left:182px;width:26px;height:26px"><span typeof="mw:File"><span title="h4 blanques peó"><img alt="h4 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/26px-Chess_plt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/39px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/52px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:156px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e2 black cross"><img alt="e2 black cross" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Chess_xxt45.svg/26px-Chess_xxt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Chess_xxt45.svg/39px-Chess_xxt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Chess_xxt45.svg/52px-Chess_xxt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:182px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e1 blanques rei"><img alt="e1 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/26px-Chess_klt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/39px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/52px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Les blanques prenen l'oposició distant després de <b>1. Re2</b> </div></div></div> <p>L'<i>oposició distant</i> es produeix quan els reis s'acaren des d'una gran distància. Si hi ha un nombre senar de caselles entre els reis, el jugador que no té el torn té l'oposició (distant). Igualment com a l'oposició diagonal, aquesta es converteix sovint en oposició directa, com al diagrama de la dreta (<a class="mw-selflink-fragment" href="#CITEREFCapablancade_Firmian2006">Capablanca & de Firmian 2006</a>:41): </p> <ol><li><b> Re2</b> (les blanques prenen l'oposició distant) <b> ... Re7</b></li> <li><b> Re3 Re6</b></li> <li><b> Re4</b> (pren l'oposició directa, i ara les negres s'han de fer a un costat) <b>Rd6</b> (... Rf6 permetria la corresponent Rf4!)</li> <li><b> Rd4!</b> (Rf5 faria que ambdós peons coronessin) <b>Rc6 </b> (... Re6 5. Rc5 i hi ha via lliure per a la carrera cap a la promoció)</li> <li><b> Re5</b> (i les blanques poden triar quin peó guanyar, i llavors usar-lo com a <a href="/wiki/Pe%C3%B3_passat#Peó_passat_allunyat" title="Peó passat">peó passat allunyat</a> fins i tot en cas que no el puguin coronar directament)</li></ol> <p>Les negres poden ser hàbils i triar </p> <ol><li><b> ... Rf8</b> i si</li> <li><b>Re3</b> llavors <b>Re7</b> i ara les negres tindrien l'oposició distant i farien taules. Igualment passaria amb 2.Rf3 Rf7.</li></ol> <p>Les blanques, en canvi, haurien de recordar que l'esperit de l'oposició és penetrar, de manera que haurien de fer una volta amb </p> <ol><li><b> ... Rf8</b></li> <li><b> Rd3! Re7</b> (si no les blanques penetren amb Rc5, i guanyarien la carrera per la coronació)</li> <li><b> Re3!</b> (les blanques tenen novament l'oposició distant i <a href="/wiki/Transposici%C3%B3_(escacs)" title="Transposició (escacs)">transposen</a> a la línia principal)</li></ol> <div class="mw-heading mw-heading3"><h3 id="Eina_per_aprendre">Eina per aprendre</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=5" title="Modifica la secció: Eina per aprendre"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tright" style="clear:right;text-align:center;max-width:254px"><div style="line-height:130%"><a href="/wiki/Ortvin_Sarapu" title="Ortvin Sarapu">Ortvin Sarapu</a> </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/208px-Chessboard480.svg.png" decoding="async" width="208" height="208" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/312px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/416px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:0px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g8 negres rei"><img alt="g8 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/26px-Chess_kdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/39px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/52px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:182px;left:130px;width:26px;height:26px"><span typeof="mw:File"><span title="f1 blanques torre"><img alt="f1 blanques torre" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Chess_rlt45.svg/26px-Chess_rlt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Chess_rlt45.svg/39px-Chess_rlt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Chess_rlt45.svg/52px-Chess_rlt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:182px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g1 blanques rei"><img alt="g1 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/26px-Chess_klt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/39px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/52px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:26px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:26px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:26px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Eina per aprendre: les blanques fan <a href="/wiki/Escac_i_mat" title="Escac i mat">mat</a> movent la torre només un cop. </div></div></div> <p>Aquesta posició és molt similar a l'anterior. Les blanques fan mat, movent la torre només un cop en el procés. La línia principal és: </p> <ol><li><b> Rg2</b> (prenent l'oposició distant) <b>Rg7</b></li> <li><b> Rg3 Rg6</b></li> <li><b> Rg4 Rh6</b> (i ara el rei negre es veu forçat a fer-se a un costat cap a la columna h, de manera que el blanc pot penetrar per la columna f)</li> <li><b> Rf5! Rg7</b> (... Rh5 5.Th1#)</li> <li><b> Rg5 Rh7</b></li> <li><b> Rf6 Rg8</b> (... Rh8 7. Rf7 Rh7 Th1#)</li> <li><b> Rg6 Rh8</b></li> <li><b> Tf8#</b></li></ol> <p>Novament, si les negres són hàbils, poden triar: </p> <ol><li><b>... Rh8</b> (novament, les blanques penetren)</li> <li><b>Rf3!</b> (Rg3 Rg7; Rh3 Rh7 dona al negre l'oposició distant) <b>Rg7</b> (Rh7 3. Rf4!)</li> <li><b>Rg3</b>.</li></ol> <div style="clear:both;"></div> <div class="mw-heading mw-heading2"><h2 id="Propòsit"><span id="Prop.C3.B2sit"></span>Propòsit</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=6" title="Modifica la secció: Propòsit"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tright" style="clear:right;text-align:center;max-width:222px"><div style="line-height:130%"> </div><div class="thumbinner" style="width:214px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:22px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/176px-Chessboard480.svg.png" decoding="async" width="176" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/264px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/352px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:44px;left:22px;width:22px;height:22px"><span typeof="mw:File"><span title="b6 black circle"><img alt="b6 black circle" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/22px-Chess_xot45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/33px-Chess_xot45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/44px-Chess_xot45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:44px;left:88px;width:22px;height:22px"><span typeof="mw:File"><span title="e6 negres rei"><img alt="e6 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/22px-Chess_kdt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/33px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/44px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:66px;left:44px;width:22px;height:22px"><span typeof="mw:File"><span title="c5 black circle"><img alt="c5 black circle" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/22px-Chess_xot45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/33px-Chess_xot45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Chess_xot45.svg/44px-Chess_xot45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:88px;left:44px;width:22px;height:22px"><span typeof="mw:File"><span title="c4 blanques peó"><img alt="c4 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/22px-Chess_plt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/33px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/44px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:88px;left:66px;width:22px;height:22px"><span typeof="mw:File"><span title="d4 blanques rei"><img alt="d4 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/22px-Chess_klt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/33px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/44px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:88px;left:88px;width:22px;height:22px"><span typeof="mw:File"><span title="e4 black cross"><img alt="e4 black cross" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Chess_xxt45.svg/22px-Chess_xxt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Chess_xxt45.svg/33px-Chess_xxt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Chess_xxt45.svg/44px-Chess_xxt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:22px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">El rei blanc hauria simplement d'anar cap a una casella clau (c5 i després b6); prendre l'oposició amb 1. Re4 només fa taules. </div></div></div> <p><a href="/wiki/Iuri_Averbakh" title="Iuri Averbakh">Iuri Averbakh</a> va assenyalar que l'oposició és un mitjà per a un fi; la finalitat és la <i>penetració</i> fins a una <a href="/wiki/Casella_clau" title="Casella clau">casella clau</a> (<a class="mw-selflink-fragment" href="#CITEREFAverbakh1987">Averbakh 1987</a>:5). Pot tractar-se d'una casella davant del peó, de manera que el rei el pugui guiar cap a la <a href="/wiki/Promoci%C3%B3_(escacs)" title="Promoció (escacs)">cassella de coronació</a>, o fins a una zona crítica on guanyar un peó rival bloquejat. Al diagrama de la dreta, les blanques haurien de jugar 1. Rc5; prendre l'oposició amb 1. Re4 fa <a href="/wiki/Taules_(escacs)" title="Taules (escacs)">taules</a>. </p> <div style="clear:both;"></div> <p>La segona posició mostra un exemple més simple. Si les blanques prenen l'oposició amb 1. Re6 no progressen. El moviment guanyador és 1. Rc7 (vegeu <a href="/w/index.php?title=Final_de_rei_i_pe%C3%B3_contra_rei&action=edit&redlink=1" class="new" title="Final de rei i peó contra rei (encara no existeix)">final de rei i peó contra rei</a>). </p> <div class="thumb tright" style="clear:right;text-align:center;max-width:222px"><div style="line-height:130%"> </div><div class="thumbinner" style="width:214px"><table cellpadding="0" cellspacing="0" style="background:white;font-size:88%;border:1px #b0b0b0 solid;padding:0;margin:auto"><tbody><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">h</td><td style="vertical-align:inherit;padding:0"></td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:22px">8</td><td colspan="8" rowspan="8" style="padding:0;vertical-align:inherit"><div class="chess-board" style="position:relative"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/176px-Chessboard480.svg.png" decoding="async" width="176" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/264px-Chessboard480.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Chessboard480.svg/352px-Chessboard480.svg.png 2x" data-file-width="480" data-file-height="480" /></span></span><div style="position:absolute;z-index:3;top:0px;left:88px;width:22px;height:22px"><span typeof="mw:File"><span title="e8 negres rei"><img alt="e8 negres rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/22px-Chess_kdt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/33px-Chess_kdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Chess_kdt45.svg/44px-Chess_kdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:44px;left:66px;width:22px;height:22px"><span typeof="mw:File"><span title="d6 blanques rei"><img alt="d6 blanques rei" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/22px-Chess_klt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/33px-Chess_klt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Chess_klt45.svg/44px-Chess_klt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:66px;left:66px;width:22px;height:22px"><span typeof="mw:File"><span title="d5 blanques peó"><img alt="d5 blanques peó" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/22px-Chess_plt45.svg.png" decoding="async" width="22" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/33px-Chess_plt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Chess_plt45.svg/44px-Chess_plt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div></div></td><td style="padding:0;vertical-align:inherit;text-align:center;width:18px;height:22px">8</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">7</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">7</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">6</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">6</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">5</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">5</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">4</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">4</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">3</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">3</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">2</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">2</td></tr><tr style="vertical-align:middle"><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">1</td><td style="padding:0;vertical-align:inherit;text-align:center;height:22px">1</td></tr><tr style="vertical-align:middle"><td style="vertical-align:inherit;padding:0"></td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">a</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">b</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">c</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">d</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">e</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">f</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">g</td><td style="padding:0;vertical-align:inherit;text-align:center;height:18px;width:22px">h</td><td style="vertical-align:inherit;padding:0"></td></tr></tbody></table><div class="thumbcaption">Juguen les blanques </div></div></div> <div style="clear:both;"></div> <div class="mw-heading mw-heading2"><h2 id="Notes_i_referències"><span id="Notes_i_refer.C3.A8ncies"></span>Notes i referències</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=7" title="Modifica la secció: Notes i referències"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist {{#if: | references-column-count references-column-count-{{{col}}}" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="http://www.chessgames.com/perl/chessgame?gid=1008390">Partida Gligorić vs. Fischer, 1959</a>» (en anglès). [Consulta: 18 octubre 2012].</span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Bibliografia">Bibliografia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oposici%C3%B3_(escacs)&action=edit&section=8" title="Modifica la secció: Bibliografia"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="citation book" style="font-style:normal" id="CITEREFAverbakh1987"><a href="/wiki/Yuri_Averbakh" class="mw-redirect" title="Yuri Averbakh"><span style="font-variant: small-caps;">Averbakh</span>, Yuri</a>. <i>Comprehensive Chess Endings: Pawn Endings</i>. vol. 4.  Pergammon, 1987. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/0-08-026906-0" title="Especial:Fonts bibliogràfiques/0-08-026906-0">ISBN 0-08-026906-0</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Comprehensive+Chess+Endings%3A+Pawn+Endings&rft.aulast=Averbakh&rft.aufirst=Yuri&rft.date=1987&rft.pub=Pergammon&rft.isbn=0-08-026906-0"><span style="display: none;"> </span></span></li> <li><span class="citation book" style="font-style:normal" id="CITEREFCapablancade_Firmian2006"><a href="/wiki/Jos%C3%A9_Capablanca" class="mw-redirect" title="José Capablanca"><span style="font-variant: small-caps;">Capablanca</span>, Jose</a>; <a href="/wiki/Nick_de_Firmian" title="Nick de Firmian"><span style="font-variant: small-caps;">de Firmian</span>, Nick</a>. <i>Chess Fundamentals (Completely Revised and Updated for the 21st Century)</i>.  <a href="/wiki/Random_House" title="Random House">Random House</a>, 2006. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/0-8129-3681-7" title="Especial:Fonts bibliogràfiques/0-8129-3681-7">ISBN 0-8129-3681-7</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chess+Fundamentals+%28Completely+Revised+and+Updated+for+the+21st+Century%29&rft.aulast=Capablanca&rft.aufirst=Jose&rft.date=2006&rft.pub=%5B%5BRandom+House%5D%5D&rft.isbn=0-8129-3681-7"><span style="display: none;"> </span></span></li> <li><span class="citation book" style="font-style:normal" id="CITEREFFischer2008"><a href="/wiki/Bobby_Fischer" title="Bobby Fischer"><span style="font-variant: small-caps;">Fischer</span>, Bobby</a>. <i><a href="/wiki/My_60_Memorable_Games" title="My 60 Memorable Games">My 60 Memorable Games</a></i>.  Batsford, 2008. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-1-906388-30-0" title="Especial:Fonts bibliogràfiques/978-1-906388-30-0">ISBN 978-1-906388-30-0</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=%5B%5BMy+60+Memorable+Games%5D%5D&rft.aulast=Fischer&rft.aufirst=Bobby&rft.date=2008&rft.pub=Batsford&rft.isbn=978-1-906388-30-0"><span style="display: none;"> </span></span></li></ul> <ul><li><span class="citation book" style="font-style:normal" id="CITEREFFlear2000"><a href="/wiki/Glenn_Flear" title="Glenn Flear"><span style="font-variant: small-caps;">Flear</span>, Glenn</a>. <i>Improve Your Endgame Play</i>.  <a href="/wiki/Everyman_Chess" title="Everyman Chess">Everyman Chess</a>, 2000. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/1-85744-246-6" title="Especial:Fonts bibliogràfiques/1-85744-246-6">ISBN 1-85744-246-6</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Improve+Your+Endgame+Play&rft.aulast=Flear&rft.aufirst=Glenn&rft.date=2000&rft.pub=%5B%5BEveryman+Chess%5D%5D&rft.isbn=1-85744-246-6"><span style="display: none;"> </span></span></li></ul> <ul><li><span class="citation book" style="font-style:normal" id="CITEREFFlear2004"><span style="font-variant: small-caps;">Flear</span>, Glenn. <i>Starting Out: Pawn Endings</i>.  Everyman Chess, 2004. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/1-85744-362-4" title="Especial:Fonts bibliogràfiques/1-85744-362-4">ISBN 1-85744-362-4</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Starting+Out%3A+Pawn+Endings&rft.aulast=Flear&rft.aufirst=Glenn&rft.date=2004&rft.pub=Everyman+Chess&rft.isbn=1-85744-362-4"><span style="display: none;"> </span></span></li></ul> <ul><li><span class="citation book" style="font-style:normal" id="CITEREFMüllerLamprecht2007"><a href="/wiki/Karsten_M%C3%BCller" title="Karsten Müller"><span style="font-variant: small-caps;">Müller</span>, Karsten</a>; <a href="/wiki/Frank_Lamprecht" title="Frank Lamprecht"><span style="font-variant: small-caps;">Lamprecht</span>, Frank</a>. <i>Secrets of Pawn Endings</i>.  <a href="/wiki/Gambit_Publications" title="Gambit Publications">Gambit Publications</a>, 2007. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-1-904600-88-6" title="Especial:Fonts bibliogràfiques/978-1-904600-88-6">ISBN 978-1-904600-88-6</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Secrets+of+Pawn+Endings&rft.aulast=M%C3%BCller&rft.aufirst=Karsten&rft.date=2007&rft.pub=%5B%5BGambit+Publications%5D%5D&rft.isbn=978-1-904600-88-6"><span style="display: none;"> </span></span></li></ul> <ul><li><span class="citation book" style="font-style:normal" id="CITEREFNunn2007"><a href="/wiki/John_Nunn" title="John Nunn"><span style="font-variant: small-caps;">Nunn</span>, John</a>. <i>Secrets of Practical Chess</i>. 2a edició.  <a href="/wiki/Gambit_Publications" title="Gambit Publications">Gambit Publications</a>, 2007, p. 113–18. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-1-904600-70-1" title="Especial:Fonts bibliogràfiques/978-1-904600-70-1">ISBN 978-1-904600-70-1</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Secrets+of+Practical+Chess&rft.aulast=Nunn&rft.aufirst=John&rft.date=2007&rft.edition=2a%C2%A0edici%C3%B3&rft.pub=%5B%5BGambit+Publications%5D%5D&rft.pages=p.%26nbsp%3B113%E2%80%9318&rft.isbn=978-1-904600-70-1"><span style="display: none;"> </span></span></li></ul> <div role="navigation" class="navbox" aria-labelledby="Temes_tàctics_en_escacs" style="padding:3px"><table class="nowraplinks collapsible collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="4" style="background:#DCDCDC;"><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><span typeof="mw:File"><a href="/wiki/Plantilla:T%C3%A0cticaEscacs" title="Plantilla:TàcticaEscacs"><img alt="Vegeu aquesta plantilla" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Commons-emblem-notice.svg/18px-Commons-emblem-notice.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Commons-emblem-notice.svg/27px-Commons-emblem-notice.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/28/Commons-emblem-notice.svg/36px-Commons-emblem-notice.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span></li></ul></div><div id="Temes_tàctics_en_escacs" style="font-size:114%;margin:0 4em"><a href="/wiki/T%C3%A0ctica_(escacs)" title="Tàctica (escacs)">Temes tàctics en escacs</a></div></th></tr><tr><td class="navbox-image" rowspan="1" style="width:1px;padding:0px 2px 0px 0px"><div><span typeof="mw:File"><a href="/wiki/Fitxer:Chess_tile_bd.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/Chess_tile_bd.svg/38px-Chess_tile_bd.svg.png" decoding="async" width="38" height="38" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/Chess_tile_bd.svg/57px-Chess_tile_bd.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/84/Chess_tile_bd.svg/76px-Chess_tile_bd.svg.png 2x" data-file-width="64" data-file-height="64" /></a></span></div></td><th scope="row" class="navbox-group" style="width:1%"><center>Tàctica</center></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><center><a href="/wiki/Canvi_(escacs)" title="Canvi (escacs)">Canvi</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Casella_clau" title="Casella clau">Casella clau</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Clavada_(escacs)" title="Clavada (escacs)">Clavada</a> <span 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class="mw-selflink selflink">Oposició</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Raigs_X_(escacs)" title="Raigs X (escacs)">Raigs X</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sacrifici_(escacs)" title="Sacrifici (escacs)">Sacrifici</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sobrec%C3%A0rrega_(escacs)" title="Sobrecàrrega (escacs)">Sobrecàrrega</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Triangulaci%C3%B3_(escacs)" title="Triangulació (escacs)">Triangulació</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Zugzwang" title="Zugzwang">Zugzwang</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Zwischenzug" title="Zwischenzug">Zwischenzug</a></center></div></td><td class="navbox-image" rowspan="1" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/Fitxer:Chess_tile_bl.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Chess_tile_bl.svg/38px-Chess_tile_bl.svg.png" decoding="async" width="38" height="38" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Chess_tile_bl.svg/57px-Chess_tile_bl.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/50/Chess_tile_bl.svg/76px-Chess_tile_bl.svg.png 2x" data-file-width="64" data-file-height="64" /></a></span></div></td></tr><tr><td class="navbox-abovebelow" colspan="4" style="background:#DCDCDC;"><div><center><a href="/wiki/Estrat%C3%A8gia_(escacs)" title="Estratègia (escacs)">Temes estratègics en escacs</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Glossari_de_termes_d%27escacs" title="Glossari de termes d'escacs">Glossari de termes d'escacs</a></center></div></td></tr></tbody></table></div> <p><br /> </p><p><span style="display: none;" class="interProject"><a href="https://ca.wiktionary.org/wiki/oposici%C3%B3" class="extiw" title="wikt:oposició">Viccionari</a></span> </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtingut de «<a dir="ltr" href="https://ca.wikipedia.org/w/index.php?title=Oposició_(escacs)&oldid=31798428">https://ca.wikipedia.org/w/index.php?title=Oposició_(escacs)&oldid=31798428</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categories</a>: <ul><li><a href="/wiki/Categoria:Termes_d%27escacs" title="Categoria:Termes d'escacs">Termes d'escacs</a></li><li><a href="/wiki/Categoria:T%C3%A0ctica_en_escacs" title="Categoria:Tàctica en escacs">Tàctica en escacs</a></li><li><a href="/wiki/Categoria:Finals_d%27escacs" title="Categoria:Finals d'escacs">Finals 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