[Event "It (open)"] [Site "masterchessopen.com – Koszalin (Poland)"] [Round "8"] [White "Mazurkiewicz Michal (POL)"] [Black "Ocytko Andrzej (POL)"] [Result "0-1"] [WhiteElo "2155"] [BlackElo "2193"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Nbd7 8.Bg2 b5 9.O-O Bb7 10.Nd5 Nxd5 11.exd5 Be7 12.f4 O-O 13.fxe5 Qb6+ 14.Rf2 dxe5 15.d6 Bd8 16.Nc3 Nf6 17.Nd5 Bxd5 18.Bxd5 Qc5 19.Bxa8 Bb6 20.Kh1 Qxf2 21.Bg2 Ng4 22.Bf4 h5 23.Bd2 {#R} 0-1