EntityQ432587· pop 14· linked from 30 articlesYakov EstrinSign in to saveRussian chess player (1923–1987)ConnectionsWorld Correspondence Chess ChampionshipEntityRussiaCountryGermanyCountryDenmarkConceptMoscowCitychessEntityInternational Standard Book NumberEntityFIDEEntityGrandmasterEntityElo rating systemEntitycorrespondence chessEntityTwo Knights DefenseEntityJohn NunnEntityglossary of chessEntitychess titleEntityInternational Correspondence Chess FederationEntityFIDE titlesEntityLarry EvansEntitychessgames.comEntityHans BerlinerEntityCategories1923 births1987 deaths20th-century Russian chess players20th-century Russian JewsChess International MastersChess players from MoscowChess theoreticiansCorrespondence chess grandmastersJewish chess playersRussian chess writersSoviet chess playersWorld Correspondence Chess Champions