[Event "USSR Championship"] [Site "Moscow URS"] [Date "1950.12.09"] [EventDate "1950.??.??"] [Round "16"] [Result "0-1"] [White "Paul Keres"] [Black "Tigran Vartanovich Petrosian"] [ECO "C03"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "70"] 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.c3 f5 5.exf5 exf5 6.Bd3 Bd6 7.Ne2 Nge7 8.Nf3 O-O 9.Qc2 Qe8 10.Bd2 Bd7 11.O-O-O Na5 12.Bf4 b5 13.Rde1 b4 14.Bxd6 cxd6 15.cxb4 Nac6 16.a3 a5 17.b5 Nb4 18.axb4 Rc8 19.Nc3 axb4 20.Kd2 Qf7 21.Qb3 bxc3 22.bxc3 Rb8 23.Re3 h6 24.Rhe1 Nc8 25.c4 Nb6 26.cxd5 Rfc8 27.Re7 Qf6 28.h4 Ra8 29.R7e2 f4 30.Ne5 dxe5 31.dxe5 Qe7 32.Re4 Ra3 33.Qb2 Bf5 34.Qd4 Ra2+ 35.Kd1 Qa3 0-1