[Event "Leningrad"] [Site "Leningrad"] [Round "3"] [White "Tigran Vartanovich Petrosian"] [Black "Yuri Balashov"] [Result "1-0"] [ECO "A17"] [Opening "English: Nimzo-English, 4.Qc2"] 1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O 5.b3 c5 6.Bb2 Qe7 7.e3 Nc6 8.Be2 d6 9.O-O Bxc3 10.Bxc3 e5 11.a3 Bg4 12.Rfe1 a5 13.d4 Bh5 14.dxe5 dxe5 15.Nxe5 Nxe5 16.Bxh5 Nxh5 17.Qf5 Rfe8 18.Qxh5 a4 19.Rab1 axb3 20.Qxe5 Qxe5 21.Bxe5 Rxe5 22.Rxb3 Re4 23.Rc1 Ra4 24.Rxb7 g6 25.Rd1 Rxa3 26.g3 Ra8 27.Rdd7 Rf8 28.Rbc7 Rxc4 29.Kg2 h5 30.h3 Kg7 31.Kf3 Kf6 32.h4 Kg7 33.Rd5 Re8 34.Rdd7 Rf8 35.Re7 Kf6 36.e4 Rd4 37.e5+ Kf5 38.Rxc5 Rd3+ 39.Kg2 Ra3 40.Rc6 Ke4 41.Rf6 Raa8 42.e6 Ke5 43.Rfxf7 Rg8 44.Rb7 Kxe6 45.Rbe7+ Kd6 46.Re2 Raf8 47.Ra7 Ra8 48.Rae7 Rac8 49.R2e6+ Kd5 50.Kh3 Rc7 51.Rxg6 {#r} 1-0