[Event "It (open)"] [Site "masterchessopen.com St. Petersburg (Russia)"] [Round "0"] [White "Graf Alexander (GER)"] [Black "Orlov V (RUS)"] [Result "1-0"] [WhiteElo "2585"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 b6 6.a3 Ba5 7.Rb1 Qe7 8.Bd2 O-O 9.b4 cxb4 10.axb4 Bxb4 11.Rxb4 Qxb4 12.Nd5 Qa3 13.Nxf6+ gxf6 14.Nf4 Kh8 15.Bd3 f5 16.e4 Nc6 17.exf5 Nxd4 18.O-O Bb7 19.Re1 Nxf5 20.Bxf5 exf5 21.Re3 Qa2 22.Bc3+ f6 23.Qxd7 Qxc4 24.Ng6+ {#r} 1-0