[Event "Ch Thueringen"] [Site "masterchessopen.com Thueringen (Germany)"] [Date "2004.04.07"] [Round "1"] [White "Seidel Thomas (GER)"] [Black "Sieber Stephan (GER)"] [Result "0-1"] [WhiteElo "1938"] [BlackElo "2200"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Qc7 8.Be3 b5 9.a3 Bb7 10.Bf3 Nbd7 11.Re1 Be7 12.Nde2 Ne5 13.Ng3 d5 14.exd5 Nxf3+ 15.Qxf3 Nxd5 16.Nxd5 Bxd5 17.Qg4 O-O-O 18.Bf4 Qc6 19.f3 g5 20.Bd2 h5 21.Nxh5 f5 22.Qh3 g4 23.fxg4 fxg4 24.Qxg4 Rhg8 25.Ng7 Bf6 26.Bh6 Bxg7 27.Bxg7 Rd7 28.c4 Rdxg7 29.cxd5 Qc5+ {#R} 0-1