[Event "It (open) \"] [Site "masterchessopen.com Prague (Czech Republic)"] [Date "2005.09.18"] [Round "4"] [White "Koper Stefan (CZE)"] [Black "Trnka Jaroslav (CZE)"] [Result "1-0"] [WhiteElo "2079"] [BlackElo "1925"] [ECO "D80"] [Opening "Gruenfeld: 4.e3 Bg7"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.h4 h5 8.Bc4 Nxc3 9.bxc3 c5 10.Qd3 Nc6 11.Qxg6 Qd7 12.Ng5 Qf5 13.Qxh5 e6 14.Qe2 cxd4 15.exd4 Bxd4 16.cxd4 Nxd4 17.Bd3 Nxe2 18.Bxf5 Nxc1 19.Bc2 Bd7 20.Rxc1 Rac8 21.O-O {#r} 1-0