[Event "It"] [Site "masterchessopen.com Semmering (Austria)"] [Round "0"] [White "Gruenfeld Ernst F (AUT)"] [Black "Yates Frederick"] [Result "1-0"] [ECO "E61"] [Opening "King's Indian: 4.Nf3 d6"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.d5 Nb8 8.O-O a5 9.h3 Na6 10.Be3 b6 11.Nd4 Bd7 12.a3 Qe8 13.b3 Kh8 14.Qc2 Qc8 15.Kh2 Bf5 16.Qc1 Ng8 17.g4 Bd7 18.f4 f5 19.g5 Nc5 20.Qc2 Rb8 21.b4 e5 22.dxe6 Nxe6 23.Rad1 axb4 24.axb4 h6 25.gxh6 Bxh6 26.Nd5 Ng7 27.Nb5 Bxb5 28.cxb5 Ne6 29.Bc1 Qd7 30.Bb2+ Kh7 31.Qc4 Rbe8 32.Rc1 Rf7 33.Ra1 Bg7 34.Bxg7 Nxg7 35.Ra7 Qe6 36.Nxb6 Qxc4 37.Nxc4 Rfe7 38.Bf3 Nf6 39.Rfa1 Ne4 40.b6 cxb6 41.Nxb6 Nd2 42.Rxe7 Nxf3+ 43.Kg3 Rxe7 44.Kxf3 Rb7 45.Nd5 Nh5 46.Ra6 Rb5 47.Rxd6 Kg7 48.e4 fxe4+ 49.Kxe4 Ng3+ 50.Kd3 Rb7 51.Rc6 Kh6 52.Rc7 Rb8 53.Kc4 Ne4 54.Re7 Rc8+ 55.Rc7 Rb8 56.Rc6 Nd2+ 57.Kd3 Nf3 58.Kc3 Kh5 59.Ne7 Kh4 60.Rxg6 Kxh3 61.f5 Ne5 62.Re6 Nf7 63.Rf6 Ng5 64.Kc4 Kg4 65.Nc6 Re8 66.b5 Ne4 67.Re6 Kxf5 68.Nd4+ Kf4 69.Rxe8 Nd6+ 70.Kc5 Nxe8 71.b6 Ke4 72.Nb5 Nf6 73.Kd6 Ne8+ 74.Kc6 {#r} 1-0