[Event "C30"] [Site "Cleanchess.com Poland"] [Round "786"] [White "Gruenfeld, Ernst"] [Black "Tarnowski, Alfred"] [Result "1-0"] [WhiteElo "2550"] [ECO "C30"] [Opening "KGD: Classical, 3.Nf3 d6"] 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.d4 exd4 5.Bc4 Nf6 6.e5 dxe5 7.fxe5 Nd5 8.Bg5 Ne7 9.Nbd2 Nbc6 10.O-O O-O 11.Ne4 Bb6 12.Bd3 Bg4 13.Nf6+ gxf6 14.Bxf6 Qd7 15.Qd2 Nd8 16.Qh6 Ne6 17.Qxh7# 1-0