Dubois - Steinitz, London 1862

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 d6 5.d3 Nf6 6.Bg5 h6 7.Bh4 [7.Be3 he should play this to take control of the g5 square] 7...g5 8.Bg3? h5!! 9.h4 [9.Nxg5 h4 10.Nxf7 hxg3 11.Nxd8 Bg4 12.Qd2 Nd4 13.Nc3 Nf3+! 14.gxf3 Bxf3 15.hxg3 Rh1#] 9...Bg4 10.c3 Qd7! 11.d4 exd4 12.e5 dxe5 13.Bxe5 Nxe5 14.Nxe5 Qf5! forcing the opening of the h column 15.Nxg4 hxg4 16.Bd3 Qd5 17.b4 0-0-0! 18.c4 [18.bxc5 Rxh4!] 18...Qc6 19.bxc5 Rxh4 20.f3 Rdh8 21.fxg4 Qe8! 22.Qe1 Qe3+! 23.Qxe3 dxe3 Steinit reaches the winning endgame he had calculated 24.g3 Rh1+ 25.Kg2 R8h2+ 26.Kf3 Rxf1+ 27.Bxf1 Rf2+ 28.Kxe3 Rxf1 29.a4 Kd7 30.Kd3 Nxg4 31.Kc3 Ne3 32.Ra2 Rxb1 33.Rd2+ Kc6 34.Re2 Rc1+ 35.Kd2 Rc2+ 36.Kxe3 Rxe2+ 37.Kxe2 f5 38.Ke3 Kxc5 39.Kd3 f4 0-1