[Event "Olympiad"] [Site "masterchessopen.com – Buenos Aires (Argentina)"] [Round "1"] [White "Chen Tsung (GER)"] [Black "Olafsson Helgi (ISL)"] [Result "0-1"] [WhiteElo "2285"] [BlackElo "2270"] [ECO "E90"] [Opening "King's Indian: 5.Nf3"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Nbd7 8.Bg5 h6 9.Bh4 g5 10.Bg3 Nh5 11.h4 g4 12.Nh2 Nxg3 13.fxg3 h5 14.O-O f5 15.exf5 Nc5 16.Rf2 Bxf5 17.Nf1 Bg6 18.Rxf8+ Qxf8 19.b4 e4 20.bxc5 Bxc3 21.Rc1 Bb2 22.Rc2 Ba3 23.cxd6 Bc5+ 24.Kh2 Qf2 25.Bxg4 Qg1+ 26.Kh3 Bf5 27.Bxf5 Qh1+ 28.Nh2 Qxd1 29.Bxe4 Qe1 {#R} 0-1