[Event "It (open)"] [Site "masterchessopen.com - Lugano (Switzerland)"] [Round "0"] [White "Gulko Boris F (USA)"] [Black "Zimmermann Frank (GER)"] [Result "1-0"] [WhiteElo "2590"] [BlackElo "2295"] [ECO "A44"] [Opening "Old Benoni: Czech, 3.e4 d6 4.Bb5+"] 1.d4 c5 2.d5 e5 3.e4 d6 4.Bb5+ Nd7 5.a4 Ne7 6.Nf3 g6 7.Nbd2 Qc7 8.Nc4 f6 9.a5 Bg7 10.O-O O-O 11.Ra3 h6 12.Nh4 f5 13.f4 fxe4 14.Rg3 exf4 15.Bxf4 Rf6 16.Qd2 Kh7 17.c3 Nf8 18.Bxd6 Rxd6 19.Qf4 g5 20.Qxd6 Qxd6 21.Nxd6 gxh4 22.Rxg7+ Kxg7 23.Rf7+ Kg6 24.Rxe7 {#r} 1-0