[Event "Olympiad"] [Site "masterchessopen.com – Lucerne (Switzerland)"] [Round "0"] [White "Petursson Margeir (ISL)"] [Black "Nunn John D M (ENG)"] [Result "0-1"] [WhiteElo "2540"] [BlackElo "2565"] [ECO "A10"] [Opening "English: 1...g6"] 1.c4 g6 2.d4 Bg7 3.Nc3 Nf6 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8 9.h4 h5 10.O-O-O b5 11.Nd5 bxc4 12.Bh6 Nxd5 13.exd5 Nb4 14.Nc3 c6 15.g4 Qa5 16.Bxc4 cxd5 17.Bb3 Be6 18.Bxg7 Kxg7 19.Kb1 Rh8 20.Rdg1 Nc6 21.Ba4 Na7 22.Rh2 Rb4 23.Bb3 Nc6 24.Ne2 Qb6 25.gxh5 Bf5+ 26.Ka1 Rxb3 27.axb3 Nb4 28.Nc3 Nc2+ 29.Ka2 Rb8 {#R} 0-1