[Event "Ch NRW"] [Site "masterchessopen.com Wuppertal (Germany)"] [Round "3"] [White "Siebrecht Sebastian (GER)"] [Black "Seepe Udo (GER)"] [Result "1-0"] [WhiteElo "2280"] [BlackElo "2227"] [ECO "B32"] [Opening "Sicilian: Open, 2...Nc6"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Nc2 d6 7.Be2 Be6 8.O-O Rc8 9.Ne3 Nf6 10.Nd2 O-O 11.Rb1 Nd4 12.Bd3 a6 13.b3 Nd7 14.Re1 Nc5 15.Bf1 f5 16.exf5 Nxf5 17.Bb2 Nxe3 18.Rxe3 Bh6 19.Re1 Bf5 20.Ra1 e5 21.Nf3 Rf7 22.b4 Ne6 23.Qb3 g5 24.Rad1 Qf8 25.c5 e4 26.Nd4 Nxd4 27.Bxd4 {#r} 1-0