[Event "Tournament (juniors)"] [Site "masterchessopen.com ? Chrzanow (Poland)"] [Date "2008.09.13"] [Round "4"] [White "Polek Marek (POL)"] [Black "Matysiak Samuel (POL)"] [Result "1-0"] [WhiteElo "1630"] [BlackElo "1679"] [ECO "B28"] [Opening "Sicilian: O'Kelly, 3.d4 cxd4 4.Nxd4"] 1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3 Bb4 7.Bd3 d5 8.O-O O-O 9.Nxd5 Nxd5 10.exd5 Qxd5 11.Bxh7+ Kxh7 12.Qxd5 Nc6 13.Be3 Bf5 14.c3 Be7 15.Qf3 g6 16.Bc5 e4 17.Qe3 Rad8 18.Rad1 Rd3 19.Rxd3 Bxc5 20.Nxc5 exd3 21.Nxd3 Rd8 {#r} 1-0