[Event "?"] [Site "masterchessopen.com Poland"] [Round "0"] [White "Dobosz Jerzy (POL)"] [Black "Kedrierawski"] [Result "1-0"] [WhiteElo "2225"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Be7 9.f4 O-O 10.e5 dxe5 11.fxe5 Nfd7 12.Be3 Nxe5 13.Qh5 Nbc6 14.Nxc6 Nxc6 15.Rf3 g6 16.Qh6 f5 17.Rd1 Qe8 18.Nd5 Qf7 19.Rh3 Bd8 20.Nf4 Ne5 21.Nxe6 {#r} 1-0