[Event "It (open)"] [Site "Dortmund (Germany)"] [Round "2"] [White "Hajek Jan (CZE)"] [Black "Sippel R"] [Result "1-0"] [WhiteElo "2226"] [ECO "A60"] [Opening "Benoni: 4.Nc3 exd5 5.cxd5"] 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 Na6 8.e4 Nc7 9.Be2 Bg7 10.O-O O-O 11.a4 Re8 12.Rb1 b6 13.Re1 a6 14.Qc2 Qe7 15.b4 Ng4 16.Bxg4 Bxg4 17.bxc5 bxc5 18.Bb2 Rab8 19.Nc4 Bd7 20.e5 Bf5 21.Ne4 Nxd5 22.Ncxd6 Bxe5 23.Nxe8 Rxe8 24.f3 Bf4 25.Qf2 Bxe4 26.fxe4 Bb8 {#r} 1-0