[Event "Ch World (team) (under 26) (final B)"] [Site "masterchessopen.com Ybbs (Austria)"] [Date "1968.07.24"] [Round "6"] [White "Sirkia Mauri O (FIN)"] [Black "Keogh Eamon (IRL)"] [Result "1-0"] [WhiteElo "2350"] [BlackElo "2002"] [ECO "D91"] [Opening "Gruenfeld: 5.Bg5 c6"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 c6 6.e3 O-O 7.Bd3 dxc4 8.Bxc4 Nbd7 9.O-O a6 10.Qe2 b5 11.Bb3 Bb7 12.Rfd1 e6 13.e4 Qb6 14.Rac1 Rfe8 15.e5 Nd5 16.Ne4 Bf8 17.Qd2 c5 18.dxc5 Nxc5 19.Rxc5 Bxc5 20.Bxd5 Bxd5 21.Nf6+ Kh8 22.Nd7 Bxf2+ 23.Kh1 Be3 24.Bxe3 Qb7 25.Nc5 Qe7 26.Qf2 f5 27.exf6 Qxf6 28.Rxd5 {#r} 1-0