[Event "Ch Leningrad"] [Site "masterchessopen.com Leningrad (Russia)"] [Round "0"] [White "Model Abram Ya"] [Black "Sozin Veniamin I (RUS)"] [Result "1-0"] [ECO "E22"] [Opening "Nimzo-Indian: Spielmann, 4...c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Bg5 h6 7.Bh4 a5 8.O-O-O Bxc5 9.e3 O-O 10.Nf3 d6 11.Bd3 Bd7 12.Bb1 Nb4 13.Bxf6 Qxf6 14.Ne4 Qe7 15.Nxc5 dxc5 16.a3 a4 17.Qc3 f5 18.axb4 cxb4 19.Qd4 Rfd8 20.Qd6 Qf6 21.Qe5 Rac8 22.Rd4 b5 23.Rhd1 Rc7 24.Qxf6 gxf6 25.R1d3 Kf7 26.Nd2 Ke7 27.Kd1 e5 28.Rd5 b3 29.cxb5 Rdc8 30.Rxd7+ {#r} 1-0