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<li id="toc-Bogo-indisk_og_andre_bidrag_til_sjakkteorien" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bogo-indisk_og_andre_bidrag_til_sjakkteorien"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Bogo-indisk og andre bidrag til sjakkteorien</span> </div> </a> <ul id="toc-Bogo-indisk_og_andre_bidrag_til_sjakkteorien-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Verker" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Verker"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Verker</span> </div> </a> <ul id="toc-Verker-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referanser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referanser"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Referanser</span> </div> </a> <ul id="toc-Referanser-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Eksterne_lenker" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Eksterne_lenker"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Eksterne lenker</span> </div> </a> <ul id="toc-Eksterne_lenker-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="Innhold" 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="Vis/skjul innholdsfortegnelsen" > <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">Vis/skjul innholdsfortegnelsen</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">Efim Bogoljubov</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="Gå til en artikkel på et annet språk. Tilgjengelig på 32 språk" > <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-32" 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">32 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Efim_Bogoljubow" title="Efim Bogoljubow – norsk nynorsk" lang="nn" hreflang="nn" data-title="Efim Bogoljubow" data-language-autonym="Norsk nynorsk" data-language-local-name="norsk nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Efim_Bogoljubov" title="Efim Bogoljubov – dansk" lang="da" hreflang="da" data-title="Efim Bogoljubov" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Efim_Bogoljubov" title="Efim Bogoljubov – svensk" lang="sv" hreflang="sv" data-title="Efim Bogoljubov" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%8A%D9%81%D9%8A%D9%85_%D8%A8%D8%BA%D9%88%D9%84%D9%88%D8%A8%D9%88%D9%81" title="يفيم بغولوبوف – arabisk" lang="ar" hreflang="ar" data-title="يفيم بغولوبوف" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D1%84%D0%B8%D0%BC_%D0%91%D0%BE%D0%B3%D0%BE%D0%BB%D1%8E%D0%B1%D0%BE%D0%B2" title="Ефим Боголюбов – bulgarsk" lang="bg" hreflang="bg" data-title="Ефим Боголюбов" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Efim_Bogolyoubov" title="Efim Bogolyoubov – bretonsk" lang="br" hreflang="br" data-title="Efim Bogolyoubov" data-language-autonym="Brezhoneg" data-language-local-name="bretonsk" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Iefim_Bogoli%C3%BAbov" title="Iefim Bogoliúbov – katalansk" lang="ca" hreflang="ca" data-title="Iefim Bogoliúbov" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Jefim_Bogoljubov" title="Jefim Bogoljubov – tsjekkisk" lang="cs" hreflang="cs" data-title="Jefim Bogoljubov" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Efim_Bogoljubow" title="Efim Bogoljubow – tysk" lang="de" hreflang="de" data-title="Efim Bogoljubow" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Efim_Bogoljubow" title="Efim Bogoljubow – estisk" lang="et" hreflang="et" data-title="Efim Bogoljubow" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Efim_Bogoljubow" title="Efim Bogoljubow – engelsk" lang="en" hreflang="en" data-title="Efim Bogoljubow" data-language-autonym="English" data-language-local-name="engelsk" 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/Yefim_Bogoli%C3%BAbov" title="Yefim Bogoliúbov – spansk" lang="es" hreflang="es" data-title="Yefim Bogoliúbov" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Efim_Bogoljubov" title="Efim Bogoljubov – esperanto" lang="eo" hreflang="eo" data-title="Efim Bogoljubov" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Efim_Bogoljubov" title="Efim Bogoljubov – fransk" lang="fr" hreflang="fr" data-title="Efim Bogoljubov" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Efim_Bogoljubov" title="Efim Bogoljubov – galisisk" lang="gl" hreflang="gl" data-title="Efim Bogoljubov" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Yefim_Dmitriyevich_Bogolyubov" title="Yefim Dmitriyevich Bogolyubov – ido" lang="io" hreflang="io" data-title="Yefim Dmitriyevich Bogolyubov" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Efim_Bogoljubov" title="Efim Bogoljubov – italiensk" lang="it" hreflang="it" data-title="Efim Bogoljubov" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%99%D7%A4%D7%99%D7%9D_%D7%91%D7%95%D7%92%D7%95%D7%9C%D7%99%D7%95%D7%91%D7%95%D7%91" title="יפים בוגוליובוב – hebraisk" lang="he" hreflang="he" data-title="יפים בוגוליובוב" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Jefims_Bogo%C4%BCubovs" title="Jefims Bogoļubovs – latvisk" lang="lv" hreflang="lv" data-title="Jefims Bogoļubovs" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Jefim_Dmitrijevics_Bogoljubov" title="Jefim Dmitrijevics Bogoljubov – ungarsk" lang="hu" hreflang="hu" data-title="Jefim Dmitrijevics Bogoljubov" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%8F%E0%A4%AB%E0%A4%BF%E0%A4%AE_%E0%A4%AC%E0%A5%8B%E0%A4%97%E0%A5%8B%E0%A4%B2%E0%A5%8D%E0%A4%AF%E0%A5%81%E0%A4%AC%E0%A5%89%E0%A4%B5" title="एफिम बोगोल्युबॉव – marathi" lang="mr" hreflang="mr" data-title="एफिम बोगोल्युबॉव" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%8A%D9%81%D9%8A%D9%85_%D8%A8%D8%AC%D9%88%D9%84%D9%88%D8%A8%D9%88%D9%81" title="يفيم بجولوبوف – egyptisk arabisk" lang="arz" hreflang="arz" data-title="يفيم بجولوبوف" data-language-autonym="مصرى" data-language-local-name="egyptisk arabisk" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Efim_Bogoljoebov" title="Efim Bogoljoebov – nederlandsk" lang="nl" hreflang="nl" data-title="Efim Bogoljoebov" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" 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/Jefim_Bogolubow" title="Jefim Bogolubow – polsk" lang="pl" hreflang="pl" data-title="Jefim Bogolubow" data-language-autonym="Polski" data-language-local-name="polsk" 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/Efim_Bogoljubow" title="Efim Bogoljubow – portugisisk" lang="pt" hreflang="pt" data-title="Efim Bogoljubow" data-language-autonym="Português" data-language-local-name="portugisisk" 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%91%D0%BE%D0%B3%D0%BE%D0%BB%D1%8E%D0%B1%D0%BE%D0%B2,_%D0%95%D1%84%D0%B8%D0%BC_%D0%94%D0%BC%D0%B8%D1%82%D1%80%D0%B8%D0%B5%D0%B2%D0%B8%D1%87" title="Боголюбов, Ефим Дмитриевич – russisk" lang="ru" hreflang="ru" data-title="Боголюбов, Ефим Дмитриевич" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Efim_Bogolyubov" title="Efim Bogolyubov – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Efim Bogolyubov" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Jefim_Dmitrijevi%C4%8D_Bogo%C4%BEubov" title="Jefim Dmitrijevič Bogoľubov – slovakisk" lang="sk" hreflang="sk" data-title="Jefim Dmitrijevič Bogoľubov" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%88%D0%B5%D1%84%D0%B8%D0%BC_%D0%91%D0%BE%D0%B3%D0%BE%D1%99%D1%83%D0%B1%D0%BE%D0%B2" title="Јефим Богољубов – serbisk" lang="sr" hreflang="sr" data-title="Јефим Богољубов" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Jefim_Bogoljubov" title="Jefim Bogoljubov – finsk" lang="fi" hreflang="fi" data-title="Jefim Bogoljubov" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D0%BE%D0%B3%D0%BE%D0%BB%D1%8E%D0%B1%D0%BE%D0%B2_%D0%AE%D1%85%D0%B8%D0%BC_%D0%94%D0%BC%D0%B8%D1%82%D1%80%D0%BE%D0%B2%D0%B8%D1%87" title="Боголюбов Юхим Дмитрович – ukrainsk" lang="uk" hreflang="uk" data-title="Боголюбов Юхим Дмитрович" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%91%89%E8%8F%B2%E5%A7%86%C2%B7%E4%BC%AF%E6%A0%BC%E6%9F%B3%E4%BC%AF%E5%A4%AB" title="葉菲姆·伯格柳伯夫 – kantonesisk" lang="yue" hreflang="yue" data-title="葉菲姆·伯格柳伯夫" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</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/Q57310#sitelinks-wikipedia" title="Rediger lenker til artikkelen på andre språk" class="wbc-editpage">Rediger lenker</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="Navnerom"> <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 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fastbredde"><tbody><tr class="hode overskrift"><th colspan="4">Efim Bogoljubov</th></tr> <tr class="bilde" valign="top"><td colspan="4" class="sentrert"><figure class="mw-default-size mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/Fil:Efim_Bogoljubov.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Efim_Bogoljubov.jpg/250px-Efim_Bogoljubov.jpg" decoding="async" width="250" height="304" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/6/62/Efim_Bogoljubov.jpg 1.5x" data-file-width="271" data-file-height="329" /></a><figcaption></figcaption></figure></td></tr> <tr class="rad"><th colspan="2"><span class="edit-props-marker edit-props-P1477 edit-props-P569 edit-props-P19">Født</span></th><td colspan="2"><span><a href="/wiki/1._april" title="1. april">1. apr.</a> <a href="/wiki/1889" title="1889">1889</a></span><sup id="cite_ref-hash-66b19bc4657c42f5112ad944758771c63d0f6387_1-0" class="reference"><a href="#cite_note-hash-66b19bc4657c42f5112ad944758771c63d0f6387-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-hash-414914393d5a000f2426888eb9ff1eec84cf6f29_2-0" class="reference"><a href="#cite_note-hash-414914393d5a000f2426888eb9ff1eec84cf6f29-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><span class="wb-edithandle" data-bridge-edit-flow="single-best-value"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q57310?uselang=nb#P569" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span><br />Stanislavtsjyk</td></tr><tr class="rad"><th colspan="2"><span class="edit-props-marker edit-props-P570 edit-props-P20 edit-props-P509">Død</span></th><td colspan="2"><span><a href="/wiki/18._juni" title="18. juni">18. juni</a> <a href="/wiki/1952" title="1952">1952</a></span><sup id="cite_ref-hash-66b19bc4657c42f5112ad944758771c63d0f6387_1-1" class="reference"><a href="#cite_note-hash-66b19bc4657c42f5112ad944758771c63d0f6387-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-hash-414914393d5a000f2426888eb9ff1eec84cf6f29_2-1" class="reference"><a href="#cite_note-hash-414914393d5a000f2426888eb9ff1eec84cf6f29-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><span class="wb-edithandle" data-bridge-edit-flow="single-best-value"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q57310?uselang=nb#P570" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span> (63 år)<br />Triberg im Schwarzwald</td></tr><tr class="rad"><th colspan="2">Beskjeftigelse</th><td colspan="2"><a href="/wiki/Sjakkspiller" class="mw-redirect" title="Sjakkspiller">Sjakkspiller</a>, sjakkomponist <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q57310?uselang=nb#P106" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr class="rad" valign="top"><th colspan="2" class="nowrap">Nasjonalitet</th><td colspan="2"><a href="/wiki/Det_russiske_keiserd%C3%B8mmet" title="Det russiske keiserdømmet">Det russiske keiserdømmet</a><br /><a href="/wiki/Tyskland" title="Tyskland">Tyskland</a></td></tr><tr class="rad"><td colspan="4"><hr /><div class="sentrert"><a href="https://commons.wikimedia.org/wiki/Category:Efim_Bogoliubov" class="extiw" title="commons:Category:Efim Bogoliubov">Efim Bogoljubov på Commons</a></div></td></tr> </tbody></table> <p><b>Efim Dimitrijevitsj Bogoljubov (Bogoljubow, Bogolyubov)</b> (russisk: Ефим Дмитриевич Боголюбов født <a href="/wiki/14._april" title="14. april">14. april</a> <a href="/wiki/1889" title="1889">1889</a> i <a href="/w/index.php?title=Stanislavitsk&action=edit&redlink=1" class="new" title="Stanislavitsk (ikke skrevet ennå)">Stanislavitsk</a> ved <a href="/wiki/Kiev" class="mw-redirect" title="Kiev">Kiev</a> i <a href="/wiki/Det_russiske_rike" class="mw-redirect" title="Det russiske rike">Det russiske rike</a>, død <a href="/wiki/18._juni" title="18. juni">18. juni</a> <a href="/wiki/1952" title="1952">1952</a> i <a href="/w/index.php?title=Triberg_im_Schwarzwald&action=edit&redlink=1" class="new" title="Triberg im Schwarzwald (ikke skrevet ennå)">Triberg im Schwarzwald</a> i <a href="/wiki/Vest-Tyskland" title="Vest-Tyskland">Vest-Tyskland</a>) var en stormester i <a href="/wiki/Sjakk" title="Sjakk">sjakk</a> som var blant verdens sterkeste sjakkspillere i 1920-årene. Han nådde blant annet å utkjempe og tape to VM-matcher mot <a href="/wiki/Aleksander_Aljekhin" class="mw-redirect" title="Aleksander Aljekhin">Aleksander Aljekhin</a>. Han ble født i den ukrainske del av det russiske tsardømme, blev internert i <a href="/wiki/Tyskland" title="Tyskland">Tyskland</a> under <a href="/wiki/F%C3%B8rste_verdenskrig" title="Første verdenskrig">første verdenskrig</a>, var en kort tid tilbake i <a href="/wiki/Sovjetunionen" title="Sovjetunionen">Sovjetunionen</a>, men i 1926 emigrerte han til Tyskland, hvor han ble statsborger. </p><p>Et berømt sitat fra Bogoljubov som uttrykker hans store selvtillit er: <i>«Når jeg har Hvitt, vinner jeg fordi jeg har Hvitt. Når jeg har Sort, vinner jeg fordi jeg er Bogoljubov!»</i>. Det er et ordspill, for Bogoljubov betyr «elsket av Gud». </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Biografi">Biografi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Efim_Bogoljubov&veaction=edit&section=1" title="Rediger avsnitt: Biografi" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Efim_Bogoljubov&action=edit&section=1" title="Rediger kildekoden til seksjonen Biografi"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Bogoljubow_Grabstein_Triberg.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Bogoljubow_Grabstein_Triberg.JPG/250px-Bogoljubow_Grabstein_Triberg.JPG" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Bogoljubow_Grabstein_Triberg.JPG/375px-Bogoljubow_Grabstein_Triberg.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/66/Bogoljubow_Grabstein_Triberg.JPG/500px-Bogoljubow_Grabstein_Triberg.JPG 2x" data-file-width="3197" data-file-height="2398" /></a><figcaption>Efim Bogoljubovs gravstein i Triberg</figcaption></figure> <p>Bogoljubovs familie var av jødisk opprinnelse, men han leste til prest – og senere til landbruksingeniør – før han la bort studiene og ble profesjonell sjakkspiller. Han ble først introdusert for sjakk som 18-årig, og hans første turneringsresultater daterer seg til 1909, der han vant klubbmesterskabet i Kiev og ble nr. to i det sørrussiske mesterskap i <a href="/wiki/Odessa" class="mw-redirect" title="Odessa">Odessa</a>. I 1911 ble han utnevnt til Kievs mesterspiller og deltok i turneringer i <a href="/wiki/St._Petersburg" title="St. Petersburg">St. Petersburg</a> og <a href="/wiki/Warszawa" title="Warszawa">Warszawa</a>. I 1912 ble han nr. to i hovedturneringen i <a href="/wiki/Vilnius" title="Vilnius">Vilnius</a> og vant en turnering i <a href="/wiki/%C5%81%C3%B3d%C5%BA" title="Łódź">Łódź</a>. Året etter vant han en match over <a href="/w/index.php?title=Georg_Salwe&action=edit&redlink=1" class="new" title="Georg Salwe (ikke skrevet ennå)">Georg Salwe</a> i Łódź med 6-4 og ble udnævnt til russisk mesterspiller. </p><p>Ved utbruddet av første verdenskrig befant han seg i <a href="/wiki/Mannheim" title="Mannheim">Mannheim</a> i Tyskland, og ble internert sammen med blant andre Aljekhin, <a href="/w/index.php?title=Aleksej_Selesnjov&action=edit&redlink=1" class="new" title="Aleksej Selesnjov (ikke skrevet ennå)">Aleksej Selesnjov</a> og <a href="/w/index.php?title=Ilja_Rabinovitsj&action=edit&redlink=1" class="new" title="Ilja Rabinovitsj (ikke skrevet ennå)">Ilja Rabinovitsj</a> i Triberg, der han ble gift med en tysk kvinne og slo seg ned etter krigen. Det var under interneringen at Bogoljubov utviklet seg til en verdensklassespiller etter blant annet å ha vunnet fem av syv turneringer med andre internerte og spilt et vell av løse partier. </p><p>I årene etter krigen var hans resultater: </p> <ul><li>Seier i turnering i <a href="/wiki/Berlin" title="Berlin">Berlin</a> 1919.</li> <li>Nr. tre i turnering i <a href="/wiki/Stockholm" title="Stockholm">Stockholm</a> 1919.</li> <li>Nederlag i match mot <a href="/w/index.php?title=Akiba_Rubinstein&action=edit&redlink=1" class="new" title="Akiba Rubinstein (ikke skrevet ennå)">Akiba Rubinstein</a> 5½ – 6½ i <a href="/wiki/G%C3%B6teborg" title="Göteborg">Göteborg</a> og Stockholm 1920.</li> <li>Seier i match mot <a href="/wiki/Aron_Nimzowitsch" class="mw-redirect" title="Aron Nimzowitsch">Aron Nimzowitsch</a> 3 – 1 i Göteborg 1920.</li> <li>Seier i turnering i <a href="/wiki/Kiel" title="Kiel">Kiel</a> 1921.</li> <li>Seier i turnering i <a href="/wiki/Pie%C5%A1%C5%A5any" title="Piešťany">Piešťany</a> 1922 (foran bl.a. Aljekhin).</li> <li>Seier i turnering i <a href="/wiki/Hastings" title="Hastings">Hastings</a> 1922.</li> <li>Seier i turnering i <a href="/wiki/Karlsbad" class="mw-redirect" title="Karlsbad">Karlsbad</a> 1923 på deling med Aljekhin og <a href="/w/index.php?title=G%C3%A9za_Mar%C3%B3czy&action=edit&redlink=1" class="new" title="Géza Maróczy (ikke skrevet ennå)">Géza Maróczy</a>.</li></ul> <p>I 1924 vendte han tilbake til Russland, som da var blitt <a href="/wiki/Sovjetunionen" title="Sovjetunionen">Sovjetunionen</a>. Her vant han sovjetmesterskapene i 1924 og 1925. Han vant også karrierens største seier i den internasjonale turnering i <a href="/wiki/Moskva" title="Moskva">Moskva</a> i 1925 foran blant annet <a href="/wiki/Jos%C3%A9_Ra%C3%BAl_Capablanca" title="José Raúl Capablanca">José Raúl Capablanca</a> og <a href="/wiki/Emanuel_Lasker" title="Emanuel Lasker">Emanuel Lasker</a>. I 1926 emigrerte han for godt til Tyskland, hvor han i 1927 fikk statsborgerskap. </p><p>I 1928 vant han to matcher mot nederlandske <a href="/wiki/Max_Euwe" title="Max Euwe">Max Euwe</a>, begge ganger med 5½ – 4½. Samme år vant han en turnering i <a href="/wiki/Bad_Kissingen" title="Bad Kissingen">Bad Kissingen</a> foran blant andre Capablanca, selv om han tapte det innbyrdes parti. I 1929 fikk han rejit penger til en matsj om verdensmesterskapet i mot Aljekhin. </p><p>Umiddelbart før matchen deltok Bogoljubov i den store turnering i Karlsbad 1929, som Aljekhin avstod fra å delta i, men kommenterte fra. I sine kommentarer undret verdensmesteren seg over at utfordreren ville bruke sine krefter i en turnering som sluttet bare åtte dager før matchen om verdensmesterskapet begynte, men Bogoljubov gledet seg over å få praktisk trening<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>. Bogoljubov havnet på en åttendeplass med 11½ poeng av 21 mulige. </p><p>I selve matchen hadde han ingen sjanse: Aljekhin vant sikkert 15½ – 9½ (best av 30 partier). I 1934 fikk han igjen sjansen, men tapte – denne gang med 10½ – 15½. </p> <div class="mw-heading mw-heading2"><h2 id="Bogo-indisk_og_andre_bidrag_til_sjakkteorien">Bogo-indisk og andre bidrag til sjakkteorien</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Efim_Bogoljubov&veaction=edit&section=2" title="Rediger avsnitt: Bogo-indisk og andre bidrag til sjakkteorien" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Efim_Bogoljubov&action=edit&section=2" title="Rediger kildekoden til seksjonen Bogo-indisk og andre bidrag til sjakkteorien"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb noviewer tright"><div class="center" style="line-height:130%;margin:0 auto;max-width:254px"> </div><div class="thumbinner" style="width:246px"><table cellpadding="0" cellspacing="0" style="font-size:88%;border:1px #c8ccd1 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 notheme" style="position:relative"><span class="notpageimage" 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 class="mw-valign-top notpageimage" typeof="mw:File"><span title="a8 svart tårn"><img alt="a8 svart tårn" 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:26px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="b8 svart springer"><img alt="b8 svart springer" 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:0px;left:52px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="c8 svart løper"><img alt="c8 svart løper" 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:78px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="d8 svart dronning"><img alt="d8 svart dronning" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Chess_qdt45.svg/26px-Chess_qdt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Chess_qdt45.svg/39px-Chess_qdt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/47/Chess_qdt45.svg/52px-Chess_qdt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:0px;left:104px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="e8 svart konge"><img alt="e8 svart konge" 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:0px;left:182px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="h8 svart tårn"><img alt="h8 svart tårn" 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 class="mw-valign-top notpageimage" typeof="mw:File"><span title="a7 svart bonde"><img alt="a7 svart bonde" 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:26px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="b7 svart bonde"><img alt="b7 svart bonde" 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:52px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="c7 svart bonde"><img alt="c7 svart bonde" 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 class="mw-valign-top notpageimage" typeof="mw:File"><span title="d7 svart bonde"><img alt="d7 svart bonde" 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 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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:130px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="f3 hvit springer"><img alt="f3 hvit springer" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Chess_nlt45.svg/26px-Chess_nlt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Chess_nlt45.svg/39px-Chess_nlt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Chess_nlt45.svg/52px-Chess_nlt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:156px;left:0px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="a2 hvit bonde"><img alt="a2 hvit bonde" 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:26px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="b2 hvit bonde"><img alt="b2 hvit bonde" 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 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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 class="mw-valign-top notpageimage" typeof="mw:File"><span title="h2 hvit bonde"><img alt="h2 hvit bonde" 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 class="mw-valign-top notpageimage" typeof="mw:File"><span title="a1 hvit tårn"><img alt="a1 hvit tårn" 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:26px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="b1 hvit springer"><img alt="b1 hvit springer" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Chess_nlt45.svg/26px-Chess_nlt45.svg.png" decoding="async" width="26" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Chess_nlt45.svg/39px-Chess_nlt45.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Chess_nlt45.svg/52px-Chess_nlt45.svg.png 2x" data-file-width="45" data-file-height="45" /></span></span></div><div style="position:absolute;z-index:3;top:182px;left:52px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="c1 hvit løper"><img alt="c1 hvit løper" 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 style="position:absolute;z-index:3;top:182px;left:78px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="d1 hvit dronning"><img alt="d1 hvit dronning" 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:182px;left:104px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="e1 hvit konge"><img alt="e1 hvit konge" 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:182px;left:130px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="f1 hvit løper"><img alt="f1 hvit løper" 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 style="position:absolute;z-index:3;top:182px;left:182px;width:26px;height:26px"><span class="mw-valign-top notpageimage" typeof="mw:File"><span title="h1 hvit tårn"><img alt="h1 hvit tårn" 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></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"> Etter 1.d4 Sf6 2.c4 e6 3.Sf3 Lb4+ </div></div></div> <p>Sjakkåpningen <a href="/wiki/Bogoindisk" title="Bogoindisk">bogoindisk</a> er oppkalt etter Efim Bogoljubov (1. d4, Sf6, 2. c4, e6 3. Sf3, Lb4+ – se diagram). Derutover har han fått oppkalt noen varianter etter seg: <i>Bogoljubovs halvmeraner</i> (som normalt bare kalles <i>halvmeraner</i>) og <i>Bogoljubov-varianten i Hollandsk</i>. </p><p>Også en variant av skotsk firespringerspill (1. e2-e4 e7-e5 2. Sg1-f3 Sb8-c6 3.Sb1-c3 Sg8-f6 4. d2-d4 Lf8-b4) er oppkalt blant annet etter ham (<i>Morphy-Bogoljubow-varianten</i>). </p> <div class="mw-heading mw-heading2"><h2 id="Verker">Verker</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Efim_Bogoljubov&veaction=edit&section=3" title="Rediger avsnitt: Verker" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Efim_Bogoljubov&action=edit&section=3" title="Rediger kildekoden til seksjonen Verker"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><i>Schach-Schule</i>, Baden 1925, Verlag Konkordia A-G, Bühl/Baden</li> <li><i>Klassische Schachpartien aus modernen Zeiten</i>, tre bind, Berlin/Leipzig 1926-1928</li> <li><i>Das Internationale Schachturnier Moskau 1925, Berlin/Leipzig 1927</i></li> <li><i>Die moderne Eröffnung d2-d4!</i>, Triberg 1928</li> <li><i>Schachkampf um die Weltmeisterschaft</i>, Karlsruhe 1935</li></ul> <div class="mw-heading mw-heading2"><h2 id="Referanser">Referanser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Efim_Bogoljubov&veaction=edit&section=4" title="Rediger avsnitt: Referanser" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Efim_Bogoljubov&action=edit&section=4" title="Rediger kildekoden til seksjonen Referanser"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-hash-66b19bc4657c42f5112ad944758771c63d0f6387-1"><b>^</b> <a href="#cite_ref-hash-66b19bc4657c42f5112ad944758771c63d0f6387_1-0"><sup>a</sup></a> <a href="#cite_ref-hash-66b19bc4657c42f5112ad944758771c63d0f6387_1-1"><sup>b</sup></a> <span class="reference-text"> <span><span>Autorités BnF</span></span>, oppført som <span><span>Efim Dmitrievič Bogolûbov</span></span>, BNF-ID <span><span><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb17016489g">17016489g</a></span></span><sup><small>[Hentet fra Wikidata]</small></sup></span> </li> <li id="cite_note-hash-414914393d5a000f2426888eb9ff1eec84cf6f29-2"><b>^</b> <a href="#cite_ref-hash-414914393d5a000f2426888eb9ff1eec84cf6f29_2-0"><sup>a</sup></a> <a href="#cite_ref-hash-414914393d5a000f2426888eb9ff1eec84cf6f29_2-1"><sup>b</sup></a> <span class="reference-text"> <span><span>Social Networks and Archival Context</span></span>, SNAC Ark-ID <span><span><a rel="nofollow" class="external text" href="https://snaccooperative.org/ark:/99166/w6j418wh">w6j418wh</a></span></span>, besøkt 9. oktober 2017<sup><small>[Hentet fra Wikidata]</small></sup></span> </li> <li id="cite_note-3"><b><a href="#cite_ref-3">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.chesshistory.com/winter/extra/carlsbad.html">Winter, Edward: <i>Alekhine on Carlsbad, 1929</i>, artikkel på Chesshistory.com</a></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Eksterne_lenker">Eksterne lenker</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Efim_Bogoljubov&veaction=edit&section=5" title="Rediger avsnitt: Eksterne lenker" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Efim_Bogoljubov&action=edit&section=5" title="Rediger kildekoden til seksjonen Eksterne lenker"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a rel="nofollow" class="external text" href="https://www.chessgames.com/perl/chessplayer?pid=10614">Efim Bogoljubov</a> – chessgames.com <span class="noprint plainlinks wikidata-linkback wd_p1665"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q57310?uselang=nb#P1665" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li> <li><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a rel="nofollow" class="external text" href="http://www.olimpbase.org/players/ztljjbtg.html">Efim Bogoljubov</a> – OlimpBase <span class="noprint plainlinks wikidata-linkback wd_p3940"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q57310?uselang=nb#P3940" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li> <li><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a rel="nofollow" class="external text" href="https://www.365chess.com/players/Efim%5FBogoljubow">Efim Bogoljubov</a> – 365Chess.com <span class="noprint plainlinks wikidata-linkback wd_p3314"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q57310?uselang=nb#P3314" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li> <li><a rel="nofollow" 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