[Event "Cup Russia"] [Site "masterchessopen.com Perm (Russia)"] [Round "5"] [White "Potapov Alexander (RUS)"] [Black "Filippov Valerij (RUS)"] [Result "1-0"] [WhiteElo "2241"] [BlackElo "2595"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5 5.Nf3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 Nc6 6.a3 Bxc3+ 7.bxc3 O-O 8.Bd3 d5 9.O-O dxc4 10.Bxc4 Qc7 11.Bb2 e5 12.Be2 Rd8 13.Qc2 e4 14.Nd2 Bf5 15.Rfd1 Rac8 16.Rac1 Qe7 17.Qb1 Qe6 18.Bc4 Qe7 19.Be2 b6 20.a4 cxd4 21.cxd4 Nd5 22.Bb5 Qe6 23.Rc4 Ncb4 24.Rxc8 Rxc8 25.Rc1 a6 26.Be2 Rxc1+ 27.Qxc1 Nd3 28.Bxd3 exd3 29.e4 Nf4 30.exf5 Qxf5 31.Qc6 h5 32.Qe8+ Kh7 33.Qe4 Kg6 34.f3 h4 35.Kf2 h3 36.g4 Qxe4 37.fxe4 Kg5 38.Kf3 g6 39.d5 f5 40.gxf5 gxf5 41.Bf6+ Kxf6 42.Kxf4 fxe4 43.Kxe4 b5 44.axb5 axb5 45.Nf3 {#r} 1-0