[Event "Ch URS (1/2 final)"] [Site "masterchessopen.com – Leningrad (Russia)"] [Round "3"] [White "Tolush Alexander (RUS)"] [Black "Lisitsyn Georgy (RUS)"] [Result "1-0"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 d5 6.Nf3 Nbd7 7.O-O O-O 8.Bd2 a6 { ?! } ( { ? } 8...b6 ) 9.b3 b6 10.a3 Ba5 11.cxd5 exd5 12.Qb1 { ± ?? } 12...b5 ( 12...Qe7 { ? } 13.dxc5 bxc5 14.b4 cxb4 15.axb4 Bxb4 ( 15...Qxb4 16.Nxd5 Qxb1 17.Ne7+ Kh8 18.Rfxb1 { P } ) 16.Bxh7+ Nxh7 17.Nxd5 { P } ) ( { ? } 12...Bxc3 13.Bxc3 Bb7 { P } ) 13.b4 cxd4 14.bxa5 dxc3 15.Bxc3 Re8 16.a4 bxa4 17.Rxa4 Rb8 { ? } ( 17...Nf8 ) 18.Rb4 Rxb4 19.Qxb4 Ne4 20.Bd4 Qc7 ( 20...Nf8 21.Qb6 { P } ) 21.Qa3 Nf8 22.Rc1 Qd8 23.Bb6 Qf6 24.Bd4 Qf5 25.Qa4 Rd8 ( 25...Bd7 26.Qa2 Bc8 27.Ne1 { ? ?c2-b4+?? } ) 26.Qc6 Ne6 27.Bb6 Rf8 28.Rc2 h5 29.Qa8 { +?? } 29...Bd7 30.Qxa6 Ba4 31.Rc8 g5 32.Rxf8+ Nxf8 33.Qa8 g4 ( 33...Kg7 34.Bd4+ f6 35.Qb7+ { +?? } ) 34.Bc5 gxf3 35.Qxf8+ Kh7 36.Bd4 f6 37.Bxf6 Qg4 38.g3 Bd1 39.h3 Qd7 40.Bb5 Qc7 41.Bd4 Nxf2 42.Qf5+ Kh6 43.Kxf2 {#r} 1-0