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href="/w/index.php?title=Especial:Crea_compte&returnto=Combinaci%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=Combinaci%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" 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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-Exemple" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Exemple"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Exemple</span> </div> </a> <ul id="toc-Exemple-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">2</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">Combinació (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 20 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-20" 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">20 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BC%D0%B1%D0%B8%D0%BD%D0%B0%D1%86%D0%B8%D1%8F_(%D1%88%D0%B0%D1%85%D0%BC%D0%B0%D1%82)" title="Комбинация (шахмат) - búlgar" lang="bg" hreflang="bg" data-title="Комбинация (шахмат)" data-language-autonym="Български" data-language-local-name="búlgar" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Kombinacija_(%C5%A1ah)" title="Kombinacija (šah) - bosnià" lang="bs" hreflang="bs" data-title="Kombinacija (šah)" data-language-autonym="Bosanski" data-language-local-name="bosnià" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kombination_(Schach)" title="Kombination (Schach) - alemany" lang="de" hreflang="de" data-title="Kombination (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/Combination_(chess)" title="Combination (chess) - anglès" lang="en" hreflang="en" data-title="Combination (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/Combinaci%C3%B3n_(ajedrez)" title="Combinación (ajedrez) - espanyol" lang="es" hreflang="es" data-title="Combinación (ajedrez)" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Konbinazio_(xakea)" title="Konbinazio (xakea) - basc" lang="eu" hreflang="eu" data-title="Konbinazio (xakea)" data-language-autonym="Euskara" data-language-local-name="basc" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%B1%DA%A9%DB%8C%D8%A8_(%D8%B4%D8%B7%D8%B1%D9%86%D8%AC)" title="ترکیب (شطرنج) - persa" lang="fa" hreflang="fa" data-title="ترکیب (شطرنج)" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Sommitelma_(shakki)" title="Sommitelma (shakki) - finès" lang="fi" hreflang="fi" data-title="Sommitelma (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/Combinaison_(%C3%A9checs)" title="Combinaison (échecs) - francès" lang="fr" hreflang="fr" data-title="Combinaison (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/Combinazione_(scacchi)" title="Combinazione (scacchi) - italià" lang="it" hreflang="it" data-title="Combinazione (scacchi)" data-language-autonym="Italiano" data-language-local-name="italià" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Kombin%C4%81cija_(%C5%A1ahs)" title="Kombinācija (šahs) - letó" lang="lv" hreflang="lv" data-title="Kombinācija (šahs)" data-language-autonym="Latviešu" data-language-local-name="letó" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Combinatie_(schaken)" title="Combinatie (schaken) - neerlandès" lang="nl" hreflang="nl" data-title="Combinatie (schaken)" data-language-autonym="Nederlands" data-language-local-name="neerlandès" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kombinacja_szachowa" title="Kombinacja szachowa - polonès" lang="pl" hreflang="pl" data-title="Kombinacja szachowa" data-language-autonym="Polski" data-language-local-name="polonès" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Combina%C3%A7%C3%A3o_(xadrez)" title="Combinação (xadrez) - portuguès" lang="pt" hreflang="pt" data-title="Combinação (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%9A%D0%BE%D0%BC%D0%B1%D0%B8%D0%BD%D0%B0%D1%86%D0%B8%D1%8F_(%D1%88%D0%B0%D1%85%D0%BC%D0%B0%D1%82%D1%8B)" title="Комбинация (шахматы) - rus" lang="ru" hreflang="ru" data-title="Комбинация (шахматы)" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BC%D0%B1%D0%B8%D0%BD%D0%B0%D1%86%D0%B8%D1%98%D0%B0_(%D1%88%D0%B0%D1%85)" title="Комбинација (шах) - serbi" lang="sr" hreflang="sr" data-title="Комбинација (шах)" data-language-autonym="Српски / srpski" data-language-local-name="serbi" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Kombination_(schack)" title="Kombination (schack) - suec" lang="sv" hreflang="sv" data-title="Kombination (schack)" data-language-autonym="Svenska" data-language-local-name="suec" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81_(%E0%AE%9A%E0%AE%A4%E0%AF%81%E0%AE%B0%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%AE%E0%AF%8D)" title="இணைப்பு (சதுரங்கம்) - tàmil" lang="ta" hreflang="ta" data-title="இணைப்பு (சதுரங்கம்)" data-language-autonym="தமிழ்" data-language-local-name="tàmil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kombinezon_(satran%C3%A7)" title="Kombinezon (satranç) - turc" lang="tr" hreflang="tr" data-title="Kombinezon (satranç)" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BC%D0%B1%D1%96%D0%BD%D0%B0%D1%86%D1%96%D1%8F_(%D1%88%D0%B0%D1%85%D0%B8)" title="Комбінація (шахи) - ucraïnès" lang="uk" hreflang="uk" data-title="Комбінація (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/Q970141#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/Combinaci%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:Combinaci%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/Combinaci%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=Combinaci%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=Combinaci%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 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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/Combinaci%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=Combinaci%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=Combinaci%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/Combinaci%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/Combinaci%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=Combinaci%C3%B3_(escacs)&oldid=29291959" 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=Combinaci%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=Combinaci%C3%B3_%28escacs%29&id=29291959&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 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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><div class="side-box metadata side-box-right" 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> <p>En <a href="/wiki/Escacs" title="Escacs">escacs</a>, una <b>combinació</b> és una seqüència relativament llarga de moviments, sovint iniciada amb un <a href="/wiki/Sacrifici_(escacs)" title="Sacrifici (escacs)">sacrifici</a>, que deixa a l'oponent poques opcions i un resultat pràcticament guanyador. En molts moments d'una partida d'escacs, cada jugador té diverses opcions raonables per escollir, fet que fa difícil seguir un pla excepte en termes estratègics. Les combinacions, en contra de la norma, són prou forçades per tal que hom pugui calcular exactament quant d'avantatge s'aconseguirà contra qualsevol defensa. Normalment és necessari analitzar diversos moviments detalladament abans d'iniciar una combinació. En cas contrari el sacrifici inicial seria molt difícilment recuperable. </p><p>Una combinació normalment es construeix a partir de <a href="/wiki/T%C3%A0ctica_(escacs)" title="Tàctica (escacs)">temes tàctics</a> fonamentals com poden ser <a href="/wiki/Forquilla_(escacs)" title="Forquilla (escacs)">forquilles</a>, <a href="/wiki/Clavada_(escacs)" title="Clavada (escacs)">clavades</a>, <a href="/wiki/Enfilada_(escacs)" title="Enfilada (escacs)">enfilades</a>, <a href="/wiki/Raigs_X_(escacs)" title="Raigs X (escacs)">raigs X</a>, descobertes, etc. D'aquesta manera, una combinació acostuma a tenir un mínim de tres moviments. Com més de temps es triga a recuperar el sacrifici inicial, més impressionant serà la combinació. </p> <div class="mw-heading mw-heading2"><h2 id="Exemple">Exemple</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Combinaci%C3%B3_(escacs)&action=edit&section=1" title="Modifica la secció: Exemple"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La següent posició comença una combinació que il·lustra diverses forquilles i raigs X: </p> <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:0px;width:26px;height:26px"><span typeof="mw:File"><span title="a8 negres torre"><img alt="a8 negres torre" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chess_rdt45.svg/26px-Chess_rdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chess_rdt45.svg/39px-Chess_rdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chess_rdt45.svg/52px-Chess_rdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:0px;left:52px;width:26px;height:26px"><span typeof="mw:File"><span title="c8 negres alfil"><img alt="c8 negres alfil" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Chess_bdt45.svg/26px-Chess_bdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Chess_bdt45.svg/39px-Chess_bdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/98/Chess_bdt45.svg/52px-Chess_bdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:0px;left:130px;width:26px;height:26px"><span typeof="mw:File"><span title="f8 negres torre"><img alt="f8 negres torre" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chess_rdt45.svg/26px-Chess_rdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chess_rdt45.svg/39px-Chess_rdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Chess_rdt45.svg/52px-Chess_rdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:26px;left:0px;width:26px;height:26px"><span typeof="mw:File"><span title="a7 negres peó"><img alt="a7 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:26px;left:78px;width:26px;height:26px"><span typeof="mw:File"><span title="d7 negres peó"><img alt="d7 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:26px;left:156px;width:26px;height:26px"><span typeof="mw:File"><span title="g7 negres rei"><img alt="g7 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:182px;width:26px;height:26px"><span typeof="mw:File"><span title="h7 negres peó"><img alt="h7 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:26px;width:26px;height:26px"><span typeof="mw:File"><span title="b6 negres peó"><img alt="b6 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:52px;width:26px;height:26px"><span typeof="mw:File"><span title="c6 negres cavall"><img alt="c6 negres cavall" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/Chess_ndt45.svg/26px-Chess_ndt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/Chess_ndt45.svg/39px-Chess_ndt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ef/Chess_ndt45.svg/52px-Chess_ndt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:52px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e6 negres peó"><img alt="e6 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:52px;width:26px;height:26px"><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/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:130px;left:0px;width:26px;height:26px"><span typeof="mw:File"><span title="a3 blanques peó"><img alt="a3 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:130px;left:104px;width:26px;height:26px"><span typeof="mw:File"><span title="e3 blanques rei"><img alt="e3 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:156px;left:52px;width:26px;height:26px"><span typeof="mw:File"><span title="c2 blanques dama"><img alt="c2 blanques dama" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Chess_qlt45.svg/26px-Chess_qlt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Chess_qlt45.svg/39px-Chess_qlt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/15/Chess_qlt45.svg/52px-Chess_qlt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:156px;left:182px;width:26px;height:26px"><span typeof="mw:File"><span title="h2 blanques peó"><img alt="h2 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:182px;left:0px;width:26px;height:26px"><span typeof="mw:File"><span title="a1 blanques torre"><img alt="a1 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:130px;width:26px;height:26px"><span typeof="mw:File"><span title="f1 blanques alfil"><img alt="f1 blanques alfil" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Chess_blt45.svg/26px-Chess_blt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Chess_blt45.svg/39px-Chess_blt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Chess_blt45.svg/52px-Chess_blt45.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">Stepanov-Romanovskij, Leningrad 1926. Mouen <a href="/wiki/Blanques_i_negres_en_escacs" title="Blanques i negres en escacs">negres</a>.</div></div></div> <p>Les negres juguen <b>1... Tf3+!</b>. Les blanques no poden capturar la torre amb 2.Rxf3 a causa de la forquilla 2...Cd4+, que els faria perdre la dama. Retrocedint amb 2.Re2 es trobarien amb la mateixa forquilla. El moviment 2.Rd2 sembla més prometedor, però després de 2...Tf2+ (fent raigs X al rei i a la dama blanca) 3.Ae2 Txe2+ 4.Rxe2 Cd4+ la dama blanca està perduda. Per tant, les <a href="/wiki/Blanques_i_negres_en_escacs" title="Blanques i negres en escacs">blanques</a> es troben forçades a jugar <b>2.Re4</b>. </p><p>Després de <b>2...d5+!</b>, les <b>blanques van abandonar</b>. Les blanques no poden capturar la torre negra sense perdre la dama, però l'alternativa 3.cxd5 exd5+ 4.Rxd5 Ae6+ no portaria a les blanques a una bona defensa. Si es pren l'alfil amb 5.Rxe6 es permet l'antiga amenaça de 5...Cd4+, mentre que prendre el cavall amb 5.Rxc6 permet els raigs X 5...Tc8+ seguida de 6...Txc2. Retrocedint amb 5.Re4 permet uns raigs X a l'alfil negre amb 5...Af5+, així que l'única opció és: 5.Rd6. </p><p>Després de 5.Rd6, les negres havien jugat 5... Td8+. Les blanques no podrien prendre ni l'alfil ni el cavall per les mateixes raons que abans (després de 6.Rxe6 Cd4+ 7. Re7, les negres tenen una torre més amb 7... Cxc2 8.Rxd8 Cxa1), cosa que deixa un únic moviment legal, 6.Rc7, però aleshores 6...Rf7+ força absolutament al rei blanc a prendre el cavall negre, possibilitant els raigs X 7...Tc8+ seguida de 8...Txc2. </p> <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=Combinaci%C3%B3_(escacs)&action=edit&section=2" 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"> <i><a href="/wiki/The_Oxford_Companion_to_Chess" title="The Oxford Companion to Chess">The Oxford Companion to Chess</a></i>. 2a.  <a href="/wiki/Oxford_University_Press" title="Oxford University Press">Oxford University Press</a>, 1992.</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%5BThe+Oxford+Companion+to+Chess%5D%5D&rft.date=1992&rft.edition=2a&rft.pub=%5B%5BOxford+University+Press%5D%5D"><span style="display: none;"> </span></span></li></ul> <ul><li><span class="citation book" style="font-style:normal"> <i>Golombek's Encyclopedia of Chess</i>.  Crown Publishing, 1977.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Golombek%27s+Encyclopedia+of+Chess&rft.date=1977&rft.pub=Crown+Publishing"><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, 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title="Desperado (escacs)">Desperado</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Desviaci%C3%B3_(escacs)" title="Desviació (escacs)">Desviació</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Enfilada_(escacs)" title="Enfilada (escacs)">Enfilada</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Forquilla_(escacs)" title="Forquilla (escacs)">Forquilla</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Interfer%C3%A8ncia_(escacs)" title="Interferència (escacs)">Interferència</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Ofegat" title="Ofegat">Ofegat</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Oposici%C3%B3_(escacs)" title="Oposició (escacs)">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, 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