[Event "It (open) (c)"] [Site "Warsaw (Poland)"] [Date "2008.08.08"] [Round "7"] [White "Derecki Krzysztof (POL)"] [Black "Grzesiak Filip (POL)"] [Result "0-1"] [WhiteElo "1956"] [BlackElo "1840"] [ECO "A53"] [Opening "Old Indian: 3.Nf3 Bg4 4.Qb3"] 1.d4 Nf6 2.c4 d6 3.Nf3 Bg4 4.Qb3 Nbd7 5.Qxb7 Nb6 6.Qa6 c6 7.e3 e5 8.Nbd2 e4 9.Ng5 h6 10.Ngxe4 Nxe4 11.Nxe4 d5 12.cxd5 Qxd5 13.Nc3 Bb4 14.Bd2 Bxc3 15.Bxc3 O-O 16.Qa5 Qe4 17.h3 Bf5 18.Qc5 Qc2 19.Qe5 Na4 20.Qa5 Nxb2 21.Bd2 Qe4 22.Qa3 Rab8 23.Bb4 Rfd8 24.Qxb2 a5 25.a3 axb4 26.axb4 c5 27.dxc5 Rxb4 28.Qa2 Qe5 29.Rc1 Rb2 30.Qa1 Rdd2 31.g4 Rxf2 {#R} 0-1