[Event "It \"] [Site "masterchessopen.com USA"] [Round "0"] [White "Helmuth K"] [Black "Castellanos Alvaro"] [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 h6 7.O-O c6 8.e4 Bd7 9.h3 Na6 10.Be3 Qa5 11.Qd2 Kh7 12.a3 Qh5 13.g4 Qa5 14.b4 Qd8 15.Ne1 Nc7 16.f4 e6 17.e5 Nfe8 18.c5 dxc5 19.dxc5 Nd5 20.Ne4 a5 21.Nf3 Ra6 22.Bd4 Qa8 23.g5 axb4 24.axb4 Nec7 25.Nf6+ Bxf6 26.exf6 Rb8 27.gxh6 Qa7 28.Ng5+ Kxh6 29.Qf2 {#r} 1-0