[Event "Ch Czechoslovakia"] [Site "Brno (Czech Republic)"] [Date "1973.12.26"] [Round "1"] [White "Zrzawy Jan (CZE)"] [Black "Sejkora Vlastimil (CZE)"] [Result "1-0"] [WhiteElo "2390"] [BlackElo "2221"] [ECO "B09"] [Opening "Pirc: Austrian, 5...O-O"] 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5 Nfd7 7.h4 c5 8.h5 cxd4 9.hxg6 hxg6 10.Qxd4 dxe5 11.fxe5 Nxe5 12.Qh4 Nxf3+ 13.gxf3 Re8 14.Qh7+ Kf8 15.Bh6 {#r} 1-0