[Event "It"] [Site "masterchessopen.com – Bad Niendorf (Germany)"] [Round "5"] [White "Ahues Carl O (GER)"] [Black "Lange Wilfried"] [Result "1-0"] [ECO "D94"] [Opening "Gruenfeld: 5.e3 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 Nbd7 8.O-O c5 9.Ng5 e6 10.Bxe6 fxe6 11.Nxe6 c4 12.Nxd8 cxb3 13.Ne6 Rf7 14.e4 Nb6 15.Nxg7 Kxg7 16.axb3 Be6 17.d5 Nbxd5 18.exd5 Nxd5 19.Re1 Nxc3 20.Rxe6 Nb5 21.Be3 Rd8 22.h4 Rfd7 23.Ra4 a6 24.Rae4 Nd6 25.Re7+ Kg8 26.Rxd7 Rxd7 27.Rd4 Kf7 28.Bf4 Ke6 29.Bxd6 Rxd6 30.Rxd6+ Kxd6 31.Kf1 Kc5 32.g4 Kd4 33.Ke2 Ke4 34.f3+ Kf4 35.Kf2 a5 36.Kg2 h6 37.Kf2 g5 38.hxg5 hxg5 39.Ke2 Ke5 40.Ke3 b6 41.b4 axb4 42.b3 Kf6 43.Kd4 Ke6 44.Ke4 b5 45.f4 gxf4 46.Kxf4 {#r} 1-0