EntityQ1639912· pop 7· linked from 21 articlesJohn GrefeSign in to savechess player (1947-2013)ConnectionsU.S. Chess ChampionshipEntityCaliforniaEntitychessEntitySan FranciscoEntityInternational Standard Book NumberEntityWayback MachineEntityBerkeleyEntityFIDEEntityHobokenEntityGrandmasterEntityFind a GraveEntityMiguel NajdorfEntityalgebraic notationEntitySwiss-system tournamentEntityglossary of chessEntityRobert ByrneEntityLubomír KaválekEntityRybkaEntityFIDE titlesEntityWalter BrowneEntityCategories1947 births2013 deaths20th-century American chess playersChess International MastersChess players from Berkeley, CaliforniaDeaths from liver cancer in CaliforniaSportspeople from Hoboken, New Jersey