[Event "11"] [Site "?"] [Date "1983.??.??"] [Round "?"] [White "Smyslov, Vassily"] [Black "Ribli, Zoltan"] [Result "*"] [WhiteElo "2600"] [BlackElo "2615"] [Annotator "N4 "] [SetUp "1"] [FEN "r7/pp2knQ1/3rpN2/8/8/P4P2/1q3P1P/R5K1 w - - 0 31"] [PlyCount "1"] [SourceVersion "1"] [SourceVersionDate "2022.08.29"] [SourceQuality "1"] {[%tqu "En","","","","f6d5","",10]} 31. Nd5+ *