[Event "Ch URS"] [Site "masterchessopen.com Moscow (Russia)"] [Round "0"] [White "Rudakovsky Iosif (RUS)"] [Black "Botvinnik Mikhail M (RUS)"] [Result "0-1"] [BlackElo "2630"] [ECO "E32"] [Opening "Nimzo-Indian: Classical Variation"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Nc6 7.Nf3 Ne4 8.Qb3 Na5 9.Qa4+ c6 10.cxd5 exd5 11.e3 Bf5 12.Bd3 Qb6 13.Qc2 Nb3 14.Rb1 c5 15.Nh4 Be6 16.O-O ( 16.Bxe4 dxe4 17.Qxe4 Qa5+ 18.Ke2 cxd4 19.exd4 O-O { ? } ) 16...Rc8 17.Bxe4 ( 17.dxc5 Rxc5 18.Qe2 O-O 19.f3 Nd6 { ^20 } ) 17...cxd4 18.Qd3 dxe4 19.Qxe4 O-O 20.exd4 Rfe8 21.d5 ( 21.Be3 Bc4 22.Qg4 Bxf1 23.Rxf1 Red8 { ^20 } ) 21...Bd7 22.Qd3 ( 22.Qf4 Bb5 23.Be3 Qd8 24.Rfe1 Bd3 25.Rbd1 Bc2 { ^20 } ) 22...Qb5 ( 22...Nxc1 23.Rfxc1 Rxc1+ 24.Rxc1 Qh6 { ! } 25.Qc4 Bb5 { ! } 26.Qc5 b6 { ^20 } ) 23.Qd1 ( 23.Qg3 Qxf1+ 24.Kxf1 Bb5+ 25.Kg1 Re1# ) 23...Qc4 ( 23...Rc4 24.g3 Rd4 25.Qf3 Bg4 26.Qg2 Be2 27.Re1 Bd3 { ^20 } ) 24.Be3 Re5 25.g3 Bg4 26.f3 Bh3 27.Re1 g5 28.f4 Rxd5 29.Qf3 gxh4 30.g4 Nd2 31.Bxd2 Rxd2 32.Qxh3 Qxf4 33.Qxh4 Rcc2 34.Qg3 Qd4+ 0-1