[Event "Ch Poland (team) (1 liga)"] [Site "masterchessopen.com – Ustron (Poland)"] [Date "2009.09.15"] [Round "4"] [White "Kosiorek Marek (POL)"] [Black "Walkusz Witoslaw (POL)"] [Result "1-0"] [WhiteElo "2362"] [BlackElo "2131"] [ECO "D90"] [Opening "Gruenfeld: Three Knights Variation"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Bd2 O-O 7.Rc1 Nc6 8.e4 Nxc3 9.Bxc3 Bg4 10.d5 Bxf3 11.gxf3 Bxc3+ 12.Rxc3 Nb8 13.Qb3 Qc8 14.h4 c6 15.h5 Kg7 16.hxg6 fxg6 17.Qb4 Nd7 18.Qxe7+ Rf7 19.Rxh7+ {#r} 1-0