[Event "Bled"] [Site "Bled YUG"] [Date "1961.09.10"] [Round "6"] [White "Tigran Vartanovich Petrosian"] [Black "Ludek Pachman"] [Result "1-0"] [ECO "A04"] [SetUp "1"] [FEN "r1br4/1p2npkp/3Bpbp1/pqp5/2N1R3/1P1P1QP1/1PP2PBP/R5K1 w - - 0 19"] [PlyCount "11"] [EventDate "1961.09.03"] [Source "ChessBase"] [SourceDate "2007.11.14"] 19. Qxf6+ Kxf6 20. Be5+ Kg5 (20... Kf5 21. Rf4+ Kg5 22. Bf6+ Kh5 23. Rh4#) 21. Bg7 {This is a real problem move. --Fischer} Nf5 22. h4+ Nxh4 23. gxh4+ Kh5 ( 23... Kf5 24. Bh3#) 24. Bf3# 1-0

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