A15: English Opening: 1...Nf6
1.c4 Nf6 2.d3 d5 3.cxd5 Nxd5 4.Nf3 Nc6 5.g3 e5 6.Bg2 h6 [6...Be7 7.Nc3 Nb6 8.0-0 0-0 9.a3 Be6 10.b4 Nd4 11.Bb2 Nxf3+ 12.Bxf3 c6= ]
7.0-0 Be6 8.Nc3 Nf6?! [8...Qd6 9.Qa4 Qb4 10.Qc2= ]
9.Bd2?! [9.Qa4 Qd7 10.Qb5+/- puts Black in a bind]
9...Qd7= 10.Rc1 Bh3?! [10...Be7 11.Na4= ]
11.a3?! [11.Bxh3 Qxh3 12.Qb3 Qc8+/- ]
11...a6 [11...Bxg2 12.Kxg2 Bd6 13.Qb3= ]
12.Qb3 Rb8 [12...Bxg2 13.Kxg2 Na5 14.Qa4= ]
13.Qc2 [13.Bxh3 Qxh3 14.Nd5 Qd7+/- ]
13...Bc5 [13...Bd6 14.Qb3=/+ ]
14.Ne4 Nxe4 15.dxe4 Bb6 16.Bc3 f6 [16...Bxg2 17.Kxg2 Qe6= ]
17.Rfd1 Qe6 18.Nh4 [18.Bxh3 Qxh3 19.Qb3+/- ]
18...Bxg2 19.Kxg2 h5 [19...Kf7 20.h3= ]
20.Nf5 [20.e3 Kf7+/= ]
20...Kf7 21.e3 Ne7 [21...Rhf8 22.Rd5 g6 23.Nh4+/= ]
22.Bb4 Rbe8?? under pressure for a while, Black falls apart [>=22...Nc6 23.Bc5 Bxc5 24.Qxc5 Rhd8+/= ]
23.Nxe7 [23.Bxe7 appears to be even stronger 23...Rxe7 24.Nxe7 Kxe7+- ]
23...Rxe7 [23...a5! 24.Bc5 Bxc5 25.Nd5+- (25.Qxc5? Rxe7 26.Qxa5 b6+/- ) ]
24.Bxe7 Kxe7 25.Qc4 Qg4 26.Qb4+ Ke8 27.Qd2 [>=27.Rd3 Kf7 28.Qc4+ Kg6 29.h3+- ]
27...c6 28.Qb4 h4 [28...Bxe3! is worth a try, since accepting means a draw 29.fxe3?? (29.Qxb7! Bxc1 30.f3+- ) 29...Qe2+ 30.Kh1 Qf3+ 31.Kg1 Qxe3+ 32.Kh1 Qf3+ 33.Kg1 Qe3+ 34.Kh1 Qf3+ 35.Kg1 Qe3+= ]
29.Qxb6 h3+ 30.Kf1 the tricks are running out now [30.Kh1?? Qf3+ 31.Kg1 Qg2# ]
30...Qxe4 31.Qd8+ Kf7 32.Qxh8 Qg2+ 33.Ke2 Qxh2 34.Rh1 [34.Rd7+ Ke6 35.Qe8+ Kf5 36.e4+ Kg5 (36...Kxe4 37.Qg6+ f5 38.Rc4# ) 37.Rxg7+ Kh6 38.Qg6# ]
34...Qg2 35.Qxh3 Qd5 36.Rhd1 Qb5+ 37.Ke1 Qxb2 38.Rd7+ Kg8 39.Rcd1 [39.Rd8+ Kf7 40.Qh5+ Ke6 41.Qg4+ Kf7 42.Rd7+ Ke8 43.Qe6+ Kf8 44.Qf7# ]
39...Qc3+ 40.Kf1 Qxa3 41.Rd8+ [41.Rxg7+ Kxg7 42.Rd7+ Kg6 43.Qh7+ Kg5 44.Rg7# ]
41...Kf7 42.R1d7+ Kg6 43.Qg4+ Kh6 44.Rh8# 1-0