[Event "National Open"] [Site "Las Vegas"] [Date "2006.06.17"] [Round "4"] [White "Giorgi Kacheishvili"] [Black "Michael Aigner"] [Result "1-0"] [WhiteElo "2643"] [BlackElo "2309"] [ECO "A80"] [Opening "Dutch: 2.Nc3 d5"] 1.d4 f5 2.Nc3 d5 3.Bf4 c6 4.e3 Nf6 5.Bd3 g6 6.h4 Bg7 7.h5 Nxh5 8.Rxh5 gxh5 9.Qxh5+ Kf8 10.Nf3 Qe8 11.Qh2 Nd7 12.Bxf5 Nf6 13.Bd3 Qh5 14.Qg1 Bf5 15.O-O-O Bxd3 16.Rxd3 Rg8 17.Ne2 Ne4 18.Qf1 Bf6 19.Ne5 Bxe5 20.Bxe5 Qh4 21.g3 Qh2 22.f3 Qf2 23.Qxf2 Nxf2 24.Rb3 b6 25.Nf4 Kf7 26.g4 e6 27.Kd2 Ke7 28.Ke2 Nxg4 29.fxg4 Rxg4 30.Rc3 Rc8 31.b4 Rgg8 32.e4 Rgf8 33.Rh3 Rf7 34.Rh6 dxe4 35.Rxe6+ Kd7 36.Rd6+ Ke8 37.Ke3 b5 38.Kxe4 a5 39.a3 axb4 40.axb4 Ke7 41.Rh6 Ke8 42.c3 Ke7 43.Nh5 Kf8 44.Nf6 Kg7 45.Rxh7+ Kg6 46.Rxf7 Kxf7 47.d5 c5 48.d6 cxb4 49.d7 Rc4+ 50.Kd5 Ke7 51.Bd6+ Kd8 52.Bxb4 {#r} 1-0