OpenChess

It seems as if f4 wins, but am not sure. Houdini didn't understand it until it was too late.

[Event "Computer chess game"]<br> [Site "VirtualBox"]<br> [Date "2011.09.30"]<br> [Round "?"]<br> [White "IvanHoe 0B.09.1D x64"]<br> [Black "Houdini_15a_x64"]<br> [BlackElo "2000"]<br> [Time "18:37:46"]<br> [WhiteElo "2000"]<br> [TimeControl "300+3"]<br> [SetUp "1"]<br> [FEN "2rrq1k1/pb3pbp/6p1/PpPNp3/1P1pP3/1B5P/3RQPP1/3R2K1 w - - 2 38"]<br> [Termination "normal"]<br> [PlyCount "76"]<br> <br> 38. f4 {(f2-f4) +0.74/19 102} exf4 {(e5xf4 Nd5xf4 Bg7-h6 g2-g3 Bb7xe4<br> Rd2xd4 Rd8xd4 Rd1xd4 Be4-f5 Qe2xe8+ Rc8xe8 g3-g4 Re8-e4 Rd4-d8+ Kg8-g7<br> Nf4-d3 Bh6-g5 Rd8-d6 Bf5-c8 Kg1-f2 a7-a6 Bb3-d5 Re4-d4 Kf2-e2 Kg7-f8 Bd5-c6<br> Rd4-c4 Ke2-f3 Kf8-e7) -0.26/16 28} 39. Nxf4 {(Nd5xf4 Bb7-c6 Bb3-d5 Rc8-c7<br> Qe2-f3 Rc7-e7 Rd2xd4 Bg7xd4+ Rd1xd4 Rd8-c8 Nf4-d3 Kg8-g7 e4-e5 Bc6xd5<br> Rd4xd5 Qe8-c6 Kg1-f2 f7-f5 Rd5-d6 Qc6-e4 Qf3xe4 f5xe4 Nd3-f4 Kg7-f7 Kf2-e3<br> Re7xe5 Rd6-d7+ Re5-e7) +0.89/15 3} Bh6 {(Bg7-h6 g2-g3 Bb7xe4 Rd2xd4 Rd8xd4<br> Rd1xd4 Be4-f5 Qe2xe8+ Rc8xe8 g3-g4 Re8-e4 Rd4-d8+ Kg8-g7 Nf4-d3 Bh6-g5<br> Rd8-d6 Bf5-c8 Kg1-f2 f7-f5 Bb3-d5 Re4-e7 Bd5-f3 Re7-f7 g4xf5 Bc8xf5 Nd3-e5<br> Rf7-e7 Ne5-c6 Bg5-e3+ Kf2-g3) -0.20/18 10} 40. Nd5 {(Nf4-d5 Bb7xd5 e4xd5<br> Bh6-e3+ Kg1-f1 Qe8-e5 d5-d6 Rd8-d7 Qe2-f3 Be3xd2 Rd1xd2 Rc8xc5 b4xc5 Qe5xc5<br> Qf3-f6 Qc5xd6 Qf6xd6 Rd7xd6 Kf1-e2 Rd6-c6 Rd2xd4 Rc6-c3 Rd4-d3 Rc3-c7 g2-g4<br> Kg8-g7 Ke2-d2 h7-h6 Rd3-d6) +1.03/17 5} Bxd5 {(Bb7xd5 e4xd5 Bh6-e3+ Kg1-h2<br> Be3-f4+ Kh2-h1 Bf4xd2 Qe2xd2 Qe8-e4 Qd2xd4 Qe4xd4 Rd1xd4 f7-f5 d5-d6+<br> Kg8-g7 Kh1-h2 Kg7-f6 Rd4-d1 Rd8-d7 Rd1-e1 f5-f4 Bb3-d5 h7-h5 g2-g3 g6-g5<br> h3-h4 Rd7-g7 h4xg5+ Rg7xg5) -0.75/17 62} 41. exd5 {(e4xd5 Bh6-e3+ Kg1-f1<br> Qe8-e5 d5-d6 Rd8-d7 Qe2-f3 Be3xd2 Rd1xd2 Rc8xc5 b4xc5 Qe5xc5 Qf3-f6 Qc5xd6<br> Qf6xd6 Rd7xd6 Kf1-e2 Rd6-c6 Rd2xd4 Rc6-c3 Rd4-d3 Rc3-c7 g2-g4 Kg8-g7 Ke2-d2<br> h7-h6 Rd3-d6) +1.03/15 0} Be3+ {(Bh6-e3+ Kg1-h1 Be3xd2 Qe2xd2 Qe8-e4 Qd2xd4<br> Qe4xd4 Rd1xd4 f7-f5 d5-d6+ Kg8-g7 Kh1-h2 Kg7-f6 Rd4-d1 Rd8-d7 Rd1-e1 f5-f4<br> Bb3-d5 a7-a6 g2-g3 g6-g5 g3xf4 g5xf4 Kh2-g2 h7-h5) -0.90/16 21} 42. Kf1<br> {(Kg1-f1 Qe8-e5 d5-d6 Rd8-d7 Qe2-f3 Be3xd2 Rd1xd2 Rc8xc5 b4xc5 Qe5xc5<br> Qf3-f6 Qc5xd6 Qf6xd6 Rd7xd6 Kf1-e2 Rd6-c6 Rd2xd4 Rc6-c3 Rd4-d3 Rc3-c7 g2-g4<br> Kg8-g7 Ke2-d2 h7-h6 h3-h4 Kg7-f6 Rd3-f3+ Kf6-g7 Rf3-c3 Rc7-e7) +1.03/16 6}<br> Qe5 {(Qe8-e5 d5-d6 Rd8-f8 Qe2-f3 Rc8-e8 Rd2-f2 Be3xf2 Qf3xf2 Qe5-h2 Qf2xd4<br> Re8-e5 Bb3-d5 Re5-f5+ Bd5-f3 Rf5xf3+ g2xf3 Rf8-e8 d6-d7 Qh2xh3+ Kf1-g1<br> Qh3-g3+ Kg1-f1 Qg3-h3+ Kf1-g1) -0.20/16 7} 43. d6 {(d5-d6 Rd8-d7 Qe2-f3<br> Be3xd2 Rd1xd2 Rc8xc5 b4xc5 Qe5xc5 Qf3-f6 Qc5xd6 Qf6xd6 Rd7xd6 Kf1-e2 Kg8-g7<br> Ke2-d3 f7-f5 Rd2-c2 Rd6-a6 Rc2-c7+ Kg7-h6 Kd3xd4 Ra6xa5 Kd4-c5 a7-a6 Kc5-b4<br> Ra5-a1 g2-g3 Ra1-e1) +1.36/17 8} Rf8 {(Rd8-f8 Qe2-f3 Rc8-e8 Rd2-f2 Be3xf2<br> Qf3xf2 Qe5-h2 Qf2xd4 Re8-e5 Bb3-d5 Re5-f5+ Bd5-f3 Rf5xf3+ g2xf3 Rf8-e8<br> d6-d7 Qh2xh3+ Kf1-g1 Qh3-g3+ Kg1-f1 Qg3-h3+ Kf1-g1) -0.20/17 7} 44. g3<br> {(g2-g3 Qe5xg3 Qe2-g4 Qg3-e5 Rd2-e2 Kg8-g7 Qg4-f3 f7-f5 d6-d7 Rc8-c7 c5-c6<br> Rf8-d8 Qf3-d5 Qe5-f6 Re2-c2 Qf6-h4 Qd5-f3 Rd8xd7 c6xd7 Rc7xd7 Rc2-c8 Rd7-e7<br> Rc8-g8+ Kg7-h6 Kf1-g2 Qh4-e4 Rg8-b8 d4-d3 Rb8xb5 Qe4-d4 Kg2-h1) +1.12/18<br> 44} Qe4 {(Qe5-e4 Qe2-g4 Qe4-c6 Rd2-f2 Rc8-e8 Qg4-f3 Qc6-d7 Qf3-g4 Qd7-c6<br> Qg4-f3) -0.20/16 10} 45. Qg2 {(Qe2-g2 Qe4-f5+ Rd2-f2 Be3xf2 Qg2xf2 Qf5xh3+<br> Kf1-g1 Rc8-e8 Rd1xd4 Qh3-d7 Bb3-d5 a7-a6 Rd4-f4 Re8-e5 Qf2-d4 Re5-e2 g3-g4<br> Qd7-d8 Rf4-f2 Re2xf2 Kg1xf2 Qd8-d7 Qd4-f4 Rf8-d8 g4-g5 Qd7-a7 Kf2-f3 Qa7-d7<br> Qf4-f6) +2.01/19 28} Qf5+ {(Qe4-f5+ Rd2-f2 Be3xf2 g3-g4 Qf5-e5 Qg2xf2<br> Qe5-e4 Kf1-g1 d4-d3 Rd1-f1 Qe4xb4 Bb3xf7+ Kg8-g7 Qf2-f6+ Kg7-h6 Qf6-h4+<br> Kh6-g7 Qh4-e7 Kg7-h6 Kg1-g2 Qb4-d2+ Kg2-g3 Qd2-g5 h3-h4 Qg5xe7 d6xe7 Kh6-g7<br> e7xf8Q+ Rc8xf8 c5-c6 Rf8xf7 Rf1xf7+ Kg7xf7 c6-c7 d3-d2 c7-c8Q d2-d1Q<br> Qc8-b7+ Kf7-e6 Qb7xa7 b5-b4 Qa7xh7 Qd1-d6+ Kg3-f3 Qd6-d3+ Kf3-g2 Qd3-e2+<br> Kg2-g3 Qe2-e3+ Kg3-g2 Qe3-e4+ Kg2-g3 Qe4-d3+ Kg3-g2 Qd3-e2+) -0.54/19 47}<br> 46. Rf2 {(Rd2-f2 Be3xf2 Qg2xf2 Qf5xh3+ Kf1-g1 Rc8-e8 Rd1xd4 Qh3-d7 Bb3-d5<br> a7-a6 Rd4-f4 Re8-e5 Qf2-d4 Re5-e2 g3-g4 Qd7-d8 Rf4-f2 Re2xf2 Kg1xf2 Qd8-d7<br> Qd4-f4 Rf8-d8 g4-g5 Qd7-a7 Kf2-f3 Qa7-d7 Qf4-f6) +2.01/17 0} Bxf2 {(Be3xf2<br> g3-g4 Qf5-e5 Qg2xf2 Qe5-e4 Kf1-g1 d4-d3 Rd1-f1 Qe4xb4 Bb3xf7+ Kg8-g7<br> Qf2-f6+ Kg7-h6 Qf6-h4+ Kh6-g7 Qh4-e7 Kg7-h6 Kg1-g2 Qb4-d2+ Kg2-g3 Qd2-g5<br> h3-h4 Qg5xe7 d6xe7 Kh6-g7 e7xf8Q+ Rc8xf8 c5-c6 Rf8xf7 Rf1xf7+ Kg7xf7 c6-c7<br> d3-d2 c7-c8Q d2-d1Q Qc8-b7+ Kf7-e6 Qb7xa7 b5-b4 Qa7xh7 Qd1-d6+ Kg3-f3<br> Qd6-d3+ Kf3-g2 Qd3-e2+ Kg2-g3 Qe2-e3+ Kg3-g2 Qe3-e4+ Kg2-g3 Qe4-d3+ Kg3-g2<br> Qd3-e2+) -0.08/17 0} 47. Qxf2 {(Qg2xf2 Qf5xh3+ Kf1-g1 Qh3-d7 Qf2xd4 Rc8-e8<br> Bb3-d5 Qd7-h3 Qd4-f2 Qh3-d7 Rd1-d4 a7-a6 Rd4-f4 Re8-e5 Qf2-d4 Re5-e2 g3-g4<br> Qd7-d8 Rf4-f2 Re2xf2 Kg1xf2 Qd8-d7 Qd4-f4 Rf8-d8 g4-g5 Qd7-a7 Kf2-f3 Qa7-d7<br> Qf4-g4 Qd7-e8 Qg4-d4 Qe8-e1 Kf3-g4 Qe1-e2+ Kg4-f4) +2.01/19 8} Qxh3+<br> {(Qf5xh3+ Kf1-g1 Qh3-d7 Bb3-d5 a7-a6 Qf2xd4 h7-h5 Rd1-f1 Kg8-h7 Rf1-f6<br> Qd7-a7 Qd4-f2 Kh7-g7 Qf2-b2 Kg7-h7 Qb2-d2 Rc8-e8 Qd2-f2 Kh7-g7 Qf2-b2<br> Kg7-h7) -0.70/16 9} 48. Kg1 {(Kf1-g1 Qh3-d7 Qf2xd4 Rc8-e8 Bb3-d5 Qd7-h3<br> Qd4-f2 Qh3-d7 Rd1-d4 a7-a6 Rd4-f4 Re8-e5 Qf2-d4 Re5-e2 g3-g4 Qd7-d8 Rf4-f2<br> Re2xf2 Kg1xf2 Qd8-d7 Qd4-f4 Rf8-d8 g4-g5 Qd7-a7 Kf2-f3 Qa7-d7 Qf4-g4 Qd7-e8<br> Qg4-d4 Qe8-e1 Kf3-g4 Qe1-e2+ Kg4-f4) +2.01/18} Rce8 {(Rc8-e8 Rd1xd4 Re8-e5<br> d6-d7 Re5-f5 Qf2-g2 Qh3-h6 Qg2-e2 Rf8-d8 Kg1-g2 Qh6-c1 Rd4-d6 Qc1-c3 c5-c6<br> Kg8-g7 Bb3-d1 Rf5-e5 Qe2-f3 Re5-e3 Qf3-f4 f7-f6 Bd1-f3 f6-f5 Qf4-d4+ Qc3xd4<br> Rd6xd4) -0.51/17 14} 49. Rxd4 {(Rd1xd4 Qh3-d7 Bb3-d5 a7-a6 Rd4-f4 Re8-e5<br> Qf2-d4 Re5-e2 g3-g4 Qd7-e8 Rf4-f2 Re2xf2 Kg1xf2 Qe8-d7 Qd4-f4 Rf8-d8 g4-g5<br> Qd7-a7 Kf2-f3 Qa7-d7 Qf4-g4 Qd7-e8 Qg4-d4 Qe8-e1 Kf3-g4 Qe1-e2+ Kg4-f4)<br> +2.17/17 3} Qd7 {(Qh3-d7 Bb3-d5 Kg8-g7 Bd5-e4 Qd7-d8 Be4-c6 Re8-e5 Bc6xb5<br> Re5-f5 Rd4-f4 Rf5-e5 Qf2-b2 f7-f6 Qb2-d4 Re5-e1+ Kg1-g2 Re1-e5 d6-d7 Qd8-c7<br> Qd4-d3 Qc7-b7+ Rf4-f3 Re5-f5 a5-a6) -0.78/17 6} 50. Bd5 {(Bb3-d5 a7-a6<br> Rd4-f4 Re8-e5 Qf2-d4 Re5-e2 g3-g4 Qd7-e8 Rf4-f2 Re2xf2 Kg1xf2 Qe8-d7 Qd4-f4<br> Rf8-d8 g4-g5 Qd7-a7 Kf2-f3 Qa7-d7 Qf4-g4 Qd7-e8 Qg4-d4 Qe8-e1 Kf3-g4<br> Qe1-e2+ Kg4-f4) +2.17/15 0} Kg7 {(Kg8-g7 Bd5-e4 Re8-c8 Qf2-f3 f7-f5 Be4-b7<br> Rc8-e8 Rd4-d1 Qd7-e6 c5-c6 Re8-d8 Qf3-c3+ Kg7-f7 d6-d7 Qe6-e4 Rd1-e1 Qe4-c4<br> Qc3-e3 Kf7-g8 Qe3-f4 Qc4-d5 Re1-e7 a7-a6 Kg1-h2) -0.89/17 19} 51. Bg2<br> {(Bd5-g2 Re8-c8 Rd4-e4 Kg7-g8 Re4-e7 Qd7-g4 Re7xa7 Qg4xb4 d6-d7 Rc8-d8<br> c5-c6 Qb4-c4 a5-a6 b5-b4 Kg1-h2 Qc4-b5 Qf2-d4 b4-b3 Ra7-b7 Qb5xa6 Rb7xb3<br> Qa6-a2 Rb3-b7 Qa2-e6 Bg2-f3 h7-h5) +3.21/16 15} Rc8 {(Re8-c8 Rd4-e4 Kg7-g8<br> Re4-e7 Qd7-g4 Re7xa7 Qg4-d1+ Bg2-f1 Rc8-e8 Qf2-f4 Qd1-d5 a5-a6 Re8-e4<br> Qf4-f3 Qd5-d4+ Qf3-f2 Qd4xb4 d6-d7 Re4-d4 Ra7-c7 Rd4-d5 a6-a7 Qb4-a5 Qf2-f3<br> Qa5xc7 Qf3xd5 Kg8-g7 c5-c6 Qc7xa7+ Kg1-g2 Qa7-c7 Bf1xb5 f7-f6 Bb5-c4 h7-h5<br> Qd5-c5 Qc7-d8 Qc5-d6) -1.05/16 6} 52. Re4 {(Rd4-e4 Kg7-g8 Re4-e7 Qd7-g4<br> Re7xa7 Qg4xb4 d6-d7 Rc8-d8 c5-c6 Qb4-c4 a5-a6 b5-b4 Kg1-h2 Qc4-b5 Qf2-d4<br> b4-b3 Ra7-b7 Qb5xa6 Rb7xb3 Qa6-a2 Rb3-b7 Qa2-e6 Bg2-f3 h7-h5) +3.21/14} Kg8<br> {(Kg7-g8 Re4-e7 Qd7-g4 Bg2-e4 a7-a6 Kg1-g2 Qg4-d1 Be4-f3 Qd1-d3 Re7-a7<br> h7-h5 Ra7xa6 g6-g5 Qf2-e2 Qd3-d4 Bf3xh5 Rc8-e8 Qe2-f2 Qd4-e4+ Kg2-h2 Qe4xb4<br> Ra6-a7 Qb4-c4 c5-c6 b5-b4 d6-d7 Re8-d8 Qf2-f6) -1.63/17 33} 53. Re7<br> {(Re4-e7 Qd7-g4 Kg1-h2 Qg4-h5+ Bg2-h3 Rc8-d8 Qf2-d4 Qh5-g5 Re7xa7 Rd8-e8<br> a5-a6 Re8-e2+ Bh3-g2 Qg5-h6+ Kh2-g1 Qh6-c1+ Bg2-f1 Qc1-e1 Qd4-f4 Re2-e5<br> Ra7-e7 Re5xe7 d6xe7 Qe1xe7 Bf1xb5 Rf8-d8 Bb5-f1 Kg8-f8 Qf4-h6+ Kf8-g8<br> Kg1-f2 Rd8-e8 Qh6-f4 Qe7-e1+ Kf2-g2 Kg8-f8 Qf4-d6+ Re8-e7 Qd6-d8+ Re7-e8)<br> +2.88/17 13} Qg4 {(Qd7-g4 Bg2-e4 a7-a6 Kg1-g2 Qg4-d1 Be4-f3 Qd1-d3 Re7-a7<br> h7-h5 Ra7xa6 g6-g5 Qf2-e2 Qd3-d4 Bf3xh5 Rc8-e8 Qe2-f2 Qd4-e4+ Kg2-h2 Qe4xb4<br> Ra6-a7 Qb4-c4 c5-c6 b5-b4 d6-d7 Re8-d8 Qf2-f6) -1.63/16} 54. Kh2 {(Kg1-h2<br> Qg4-h5+ Bg2-h3 Rc8-a8 Qf2-d4 Qh5-g5 c5-c6 Ra8-e8 Re7xe8 Rf8xe8 Qd4-f2<br> Qg5-e5 d6-d7 Re8-a8 Qf2-c2 Qe5-c7 Qc2-c5 Ra8-b8 Bh3-g2 Kg8-g7 Kh2-h3 Kg7-f6<br> Qc5-d4+ Kf6-e7 Qd4-e3+ Ke7-f6) +3.08/18 16} Rcd8 {(Rc8-d8 Qf2-f4 Qg4-d1<br> Re7xa7 Rd8-e8 a5-a6 Re8-e2 Ra7-e7 Re2-a2 a6-a7 Qd1-h5+ Kh2-g1 Qh5-d1+<br> Bg2-f1 h7-h6 Qf4xh6 Qd1-d4+ Qh6-e3 Qd4xb4 Qe3-e5 Qb4-d2 Bf1-e2 b5-b4 Kg1-g2<br> b4-b3 Re7-e8 Rf8xe8 Qe5xe8+ Kg8-g7 Qe8-e5+ Kg7-g8) -1.84/17 33} 55. Qf4<br> {(Qf2-f4 Qg4-d1 Re7xa7 Rd8-e8 a5-a6 Re8-e2 Ra7-e7 Re2-a2 a6-a7 Qd1-d5<br> Qf4-f1 Qd5-d2 d6-d7 Ra2xa7 d7-d8Q Qd2xd8 Re7xa7 Qd8-g5 c5-c6 Qg5-h6+ Kh2-g1<br> Qh6-e3+ Qf1-f2 Qe3-e6 c6-c7 Rf8-c8 Qf2-d4 Qe6-e7 Bg2-c6 Qe7-e2) +4.33/17 8}<br> Qd1 {(Qg4-d1 Re7xa7 Rd8-e8 a5-a6 Re8-e2 Ra7-e7 Re2-a2 a6-a7 Qd1-h5+ Kh2-g1<br> Qh5-d1+ Bg2-f1 h7-h6 d6-d7 Qd1-h5 g3-g4 Qh5-d5 c5-c6 g6-g5 Qf4-e4 Qd5-d6<br> Re7-e5 Ra2xa7 Bf1-d3 Kg8-g7 Qe4-d5 Qd6xd5 Re5xd5 Rf8-d8 Bd3xb5 Kg7-f8<br> Kg1-f2 Kf8-e7) -1.88/17 5} 56. Rxa7 {(Re7xa7 Rd8-e8 a5-a6 Re8-e2 Ra7-e7<br> Re2-a2 d6-d7 h7-h6 Qf4xh6 Qd1-d5 Qh6-h3 Qd5-a8 a6-a7 Kg8-g7 g3-g4 Rf8-h8<br> Kh2-g1 Rh8xh3 Bg2xa8 Rh3-d3 Ba8-g2 Kg7-f6 Re7-e8 Rd3xd7 a7-a8Q Ra2xa8<br> Bg2xa8 Rd7-d4 Re8-e4 Rd4xe4 Ba8xe4 Kf6-e6 Kg1-g2 Ke6-d7 Be4-d5 f7-f6<br> Kg2-f3) +4.34/17 24} Rde8 {(Rd8-e8 a5-a6 Re8-e2 Ra7-e7 Re2-a2 a6-a7 Qd1-h5+<br> Kh2-g1 Ra2-a1+ Bg2-f1 Qh5-d5 d6-d7 Ra1-a2 c5-c6 Ra2xa7 c6-c7 Ra7-a8 Bf1xb5<br> Qd5xb5 c7-c8Q Rf8xc8 d7xc8Q+ Ra8xc8 Qf4xf7+) -1.56/17 7} 57. a6 {(a5-a6<br> Re8-e2 Ra7-e7 Re2-a2 d6-d7 h7-h6 a6-a7 Qd1-h5+ Kh2-g1 Ra2-a1+ Qf4-f1<br> Ra1xf1+ Bg2xf1 Qh5-d1 Re7-e8 Qd1xd7 Re8xf8+ Kg8xf8 a7-a8Q+ Kf8-g7 Qa8-e4<br> Kg7-f8 c5-c6 Qd7-d6 Bf1xb5 Qd6xg3+ Kg1-f1 h6-h5 Bb5-c4 f7-f5 Qe4-e6 Qg3-f3+<br> Kf1-e1 Qf3-c3+ Ke1-f2 Qc3-d4+ Kf2-f3 Qd4-d1+ Kf3-e3 Qd1-g1+ Ke3-d2 Qg1-d4+<br> Kd2-c2 Qd4-f2+ Kc2-c3 Qf2-g3+ Kc3-d4) +4.58/17 30} Re2 {(Re8-e2 Ra7-e7<br> Re2-a2 a6-a7 Qd1-h5+ Kh2-g1 Qh5-d1+ Bg2-f1 h7-h6 d6-d7 Qd1-h5 g3-g4 Qh5-d5<br> c5-c6 g6-g5 Qf4-e4 Qd5-d6 Re7-e5 Ra2xa7 Bf1xb5 Ra7-a1+ Bb5-f1 Qd6-d1 Re5-f5<br> Qd1-d6 b4-b5 Qd6-g3+ Qe4-g2 Qg3-d6 Rf5-f2 Qd6-b8 Rf2-a2 Ra1-c1 Qg2-d5<br> Qb8-g3+ Qd5-g2) -2.66/16 26} 58. Re7 {(Ra7-e7 Re2-a2 d6-d7 h7-h6 a6-a7<br> Qd1-h5+ Kh2-g1 Ra2-a1+ Qf4-f1 Ra1xf1+ Bg2xf1 Qh5-d1 Re7-e8 Qd1xd7 Re8xf8+<br> Kg8xf8 a7-a8Q+ Kf8-g7 Qa8-e4 Kg7-f8 c5-c6 Qd7-d6 Bf1xb5 Qd6xg3+ Kg1-f1<br> h6-h5 Bb5-c4 f7-f5 Qe4-e6 Qg3-f3+ Kf1-e1 Qf3-c3+ Ke1-f2 Qc3-d4+ Kf2-f3<br> Qd4-d1+ Kf3-e3 Qd1-g1+ Ke3-d2 Qg1-d4+ Kd2-c2 Qd4-f2+ Kc2-c3 Qf2-g3+ Kc3-d4)<br> +4.58/17 0} Ra2 {(Re2-a2 a6-a7 Qd1-h5+ Kh2-g1 Qh5-d1+ Bg2-f1 h7-h6 d6-d7<br> Qd1-h5 g3-g4 Qh5-d5 c5-c6 g6-g5 Qf4-e4 Qd5-d6 Re7-e5 Ra2xa7 Bf1xb5 Ra7-a1+<br> Bb5-f1 Qd6-d1 Re5-f5 Qd1-d6 b4-b5 Qd6-g3+ Qe4-g2 Qg3-d6 Rf5-f2 Qd6-b8<br> Rf2-a2 Ra1-c1 Qg2-d5 Qb8-g3+ Qd5-g2) -1.88/14} 59. d7 {(d6-d7 h7-h6 a6-a7<br> Qd1-h5+ Kh2-g1 Ra2-a1+ Qf4-f1 Ra1xf1+ Bg2xf1 Qh5-d5 Re7-e8 Qd5xd7 Re8xf8+<br> Kg8xf8 a7-a8Q+ Kf8-g7 Qa8-e4 Kg7-f8 c5-c6 Qd7-d6 Bf1xb5 Qd6xg3+ Kg1-f1<br> Qg3-h3+ Kf1-f2 Qh3-c3 Qe4-c4 Qc3-b2+ Kf2-f3 Qb2-f6+ Kf3-e4 Qf6-e7+ Ke4-d5<br> Qe7-g5+ Kd5-d4 Qg5-g1+ Kd4-d3 Qg1-b1+ Kd3-e2 Qb1-b2+ Ke2-e3 Qb2-e5+ Ke3-f3<br> Qe5-f5+ Kf3-e3 Qf5-e5+) +4.52/17 29} h6 {(h7-h6 a6-a7 Qd1-h5+ Kh2-g1<br> Ra2-a1+ Bg2-f1 Ra1-a2 g3-g4 Qh5-d5 c5-c6 Ra2xa7 c6-c7 Ra7xc7 Qf4xc7 Qd5-d4+<br> Kg1-g2 Qd4xg4+ Qc7-g3 Qg4xb4 Qg3-e5 Qb4-g4+ Kg2-f2 b5-b4 Qe5-e4 Qg4-g5<br> Qe4xb4 Qg5-f6+ Kf2-g2 Rf8-d8 Qb4-c5 Qf6-b2+ Bf1-e2 Qb2-b7+ Be2-f3 Qb7-b2+<br> Kg2-h3 Qb2-f6 Re7-e8+ Kg8-h7 Re8xd8 Qf6xd8 Qc5-d4) -3.39/15 11} 60. Kh3<br> {(Kh2-h3) +5.65/17 31} g5 {(g6-g5 Qf4-f3 Qd1-d4 a6-a7 Ra2xa7 d7-d8Q Qd4xd8<br> Re7xa7 Kg8-g7 Qf3-c3+ Kg7-g8 c5-c6 Qd8-d1 Kh3-h2 Rf8-c8 Qc3-f3 Qd1xf3<br> Bg2xf3 Kg8-g7 Ra7-b7 g5-g4 Bf3-h1 Kg7-f6 Rb7xb5) -5.12/14 13} 61. Qf3<br> {(Qf4-f3 Qd1-d4 c5-c6 Qd4-d6 Re7-e8 Ra2xa6 d7-d8Q Qd6xd8 Re8xd8 Rf8xd8<br> c6-c7 Rd8-e8 Qf3-b7 Ra6-g6 Qb7xb5 Rg6-e6 Qb5-d7 Re6-e7 c7-c8Q Re8xc8<br> Qd7xc8+ Kg8-g7 b4-b5 Re7-e6 Qc8-c3+ Kg7-f8 g3-g4 Kf8-e8) +8.45/14 10} Qd4<br> {(Qd1-d4 a6-a7 Ra2xa7 d7-d8Q Qd4xd8 Re7xa7 Qd8-c8+ Qf3-g4 Qc8-b8 Qg4-d7<br> Qb8-e5 c5-c6 Qe5-e2 Qd7-g4 Qe2-f2 Ra7-d7 Qf2-f6 c6-c7 h6-h5 Qg4-e4 Rf8-c8<br> Qe4-d5 Kg8-g7 Qd5xb5 h5-h4 Qb5-c6 Qf6-f5+ g3-g4 Qf5-e5) -6.13/16 18} 62. c6<br> {(c5-c6 Qd4-d6 Re7-e8 Ra2xa6 d7-d8Q Qd6xd8 Re8xd8 Rf8xd8 c6-c7 Rd8-e8<br> Qf3-b7 Ra6-g6 Qb7xb5 Rg6-e6 Qb5-d7 Re6-e7 c7-c8Q Re8xc8 Qd7xc8+ Kg8-g7<br> b4-b5 Re7-e6 Qc8-c3+ Kg7-f8 g3-g4 Kf8-e8) +8.45/14} h5 {(h6-h5 Qf3xh5<br> Qd4-d2 Bg2-e4 Qd2-h2+ Kh3-g4 Qh2-e2+ Kg4xg5 Qe2-e3+ Kg5-g4 Qe3-e2+ Kg4-h4<br> Qe2-h2+ Kh4-g5 Qh2-d2+ Kg5-f5 Qd2-d4 Qh5-g4+ Kg8-h8 Qg4-h4+ Kh8-g8 c6-c7<br> Ra2-f2+ Kf5-g5 Qd4-d2+ Kg5-h5 Rf2-h2 c7-c8Q Rh2xh4+ g3xh4 Qd2-d1+ Kh5-g5<br> Qd1-d2+ Kg5-g4 f7-f5+ Be4xf5 Qd2xb4+ Re7-e4) -9.22/14 14} 63. Qxh5 {(Qf3xh5<br> Qd4-d2 Re7-e2 Qd2xe2 Qh5xe2 Ra2xe2 c6-c7 f7-f5 d7-d8Q g5-g4+ Kh3-h2 Re2-e8<br> Bg2-d5+ Kg8-g7 Qd8-g5+ Kg7-h7 a6-a7 Re8-e2+ Kh2-g1 Re2-e8 Kg1-g2 Re8-e2+<br> Kg2-f1 Re2-e5) +13.02/14 6} Qd2 {(Qd4-d2 Bg2-e4 Qd2-h2+ Kh3-g4 Qh2-e2+<br> Kg4xg5 Qe2-e3+ Kg5-g4 Qe3-e2+ Kg4-h4 Qe2-h2+ Kh4-g5 Qh2-d2+ Kg5-f5 Ra2xa6<br> c6-c7 Qd2-f2+ Qh5-f3 Qf2-b2 d7-d8Q Ra6-f6+ Kf5-g4 Rf6xf3 c7-c8Q Rf3xg3+<br> Kg4xg3 Qb2-g7+ Kg3-f2 Qg7-f6+ Kf2-e3 Qf6-g5+ Ke3-e2 Qg5-h5+ Ke2-f1 Rf8xd8<br> Qc8xd8+ Kg8-g7 Qd8-d5 Qh5xd5 Be4xd5 Kg7-f6 Re7xf7+ Kf6-e5 Bd5-g2 Ke5-d4<br> Kf1-e2 Kd4-c4 Rf7-f4+ Kc4-c3 Ke2-e3) -11.30/15 16} 64. Re2 {(Re7-e2 Qd2xe2<br> Qh5xe2 Ra2xe2 c6-c7 g5-g4+ Kh3xg4 Re2xg2 c7-c8Q Rg2-a2 Qc8xf8+ Kg8xf8<br> d7-d8Q+ Kf8-g7 a6-a7 Ra2xa7 Qd8-d4+ Kg7-g8 Qd4xa7 Kg8-f8 Qa7-b7 Kf8-e8<br> Qb7xb5+ Ke8-e7 Qb5-e5+ Ke7-d8 b4-b5 f7-f6 Qe5xf6+ Kd8-c8 Kg4-f3 Kc8-c7<br> Qf6-c6+ Kc7-b8 g3-g4) +14.38/13 2} Qxe2 {(Qd2xe2 Qh5xe2 Ra2xe2 c6-c7 g5-g4+<br> Kh3xg4 Re2xg2 d7-d8Q f7-f5+ Kg4-g5 Rg2xg3+ Kg5-f4 Rg3-a3 c7-c8Q Rf8xd8<br> Qc8xd8+ Kg8-f7 Kf4xf5 Ra3-f3+ Kf5-e4 Rf3-a3 Qd8-d7+ Kf7-g6 a6-a7 Kg6-f6<br> Qd7-c6+ Kf6-g7 a7-a8Q Ra3xa8 Qc6xa8 Kg7-f6 Qa8-d5 Kf6-e7 Qd5xb5 Ke7-f6<br> Qb5-e5+ Kf6-f7 Ke4-d5 Kf7-g6) -14.83/17 12} 65. Qxe2 {(Qh5xe2 Ra2xe2 c6-c7<br> g5-g4+ Kh3xg4 Re2xg2 c7-c8Q Rg2-a2 Qc8xf8+ Kg8xf8 d7-d8Q+ Kf8-g7 a6-a7<br> Ra2xa7 Qd8-d4+ Kg7-g8 Qd4xa7 Kg8-f8 Qa7-b7 Kf8-e8 Qb7xb5+ Ke8-e7 Qb5-e5+<br> Ke7-d8 b4-b5 f7-f6 Qe5xf6+ Kd8-c8 Kg4-f3 Kc8-c7 Qf6-c6+ Kc7-b8 g3-g4)<br> +14.38/12} Rxe2 {(Ra2xe2 c6-c7 g5-g4+ Kh3xg4 Re2xg2 d7-d8Q f7-f5+ Kg4-g5<br> Rg2xg3+ Kg5-f4 Rg3-a3 c7-c8Q Rf8xd8 Qc8xd8+ Kg8-f7 Kf4xf5 Ra3-f3+ Kf5-e4<br> Rf3-a3 Qd8-d7+ Kf7-g6 a6-a7 Kg6-f6 Qd7-c6+ Kf6-g7 a7-a8Q Ra3xa8 Qc6xa8<br> Kg7-f6 Qa8-d5 Kf6-e7 Qd5xb5 Ke7-f6 Qb5-e5+ Kf6-f7 Ke4-d5 Kf7-g6) -13.18/16<br> 0} 66. c7 {(c6-c7 Re2-e8 a6-a7 f7-f5 Bg2-d5+ Kg8-g7 d7xe8N+ Rf8xe8 a7-a8Q<br> Re8xa8 Bd5xa8 f5-f4 c7-c8Q Kg7-f6 Qc8-d7 g5-g4+ Qd7xg4 f4xg3 Kh3xg3 Kf6-e5<br> Ba8-c6 Ke5-f6 Qg4-d7 Kf6-g5 Qd7-d5+ Kg5-g6 Qd5-d3+ Kg6-g7 Bc6xb5) +16.00/15<br> 15} g4+ {(g5-g4+ Kh3xg4 Re2xg2 d7-d8Q f7-f5+ Kg4-g5 Rg2xg3+ Kg5-f4 Rg3-a3<br> c7-c8Q Rf8xd8 Qc8xd8+ Kg8-f7 Kf4xf5 Ra3-f3+ Kf5-e4 Rf3-a3 Qd8-d7+ Kf7-g6<br> a6-a7 Kg6-f6 Qd7-c6+ Kf6-e7 a7-a8Q Ra3xa8 Qc6xa8 Ke7-d7 Qa8-d5+ Kd7-c8<br> Qd5xb5 Kc8-c7 Qb5-c5+ Kc7-b8 b4-b5 Kb8-a8 b5-b6 Ka8-b7 Qc5-c7+ Kb7-a6<br> Qc7-c6) -13.17/18 15} 67. Kxg4 {(Kh3xg4 Re2xg2 c7-c8Q Rg2-a2 Qc8xf8+ Kg8xf8<br> d7-d8Q+ Kf8-g7 a6-a7 Ra2xa7 Qd8-d4+ Kg7-g8 Qd4xa7 Kg8-f8 Qa7-b7 Kf8-e8<br> Qb7xb5+ Ke8-e7 Qb5-e5+ Ke7-d8 b4-b5 f7-f6 Qe5xf6+ Kd8-c7 Kg4-f3 Kc7-b7<br> Qf6-c6+ Kb7-b8 g3-g4) +14.38/12 0} f5+ {(f7-f5+ Kg4-g5 Re2xg2 d7-d8Q<br> Rg2xg3+ Kg5-f4 Rg3-a3 c7-c8Q Rf8xd8 Qc8xd8+ Kg8-f7 Kf4xf5 Ra3-f3+ Kf5-e4<br> Rf3-a3 Qd8-d7+ Kf7-g6 a6-a7 Kg6-f6 Qd7-c6+ Kf6-e7 a7-a8Q Ra3xa8 Qc6xa8<br> Ke7-d7 Qa8-b7+ Kd7-d8 Qb7-d5+ Kd8-c8 Qd5xb5 Kc8-c7 Qb5-c5+ Kc7-b8 b4-b5<br> Kb8-b7 Ke4-f3 Kb7-a8 b5-b6 Ka8-b7 Qc5-c7+ Kb7-a6 b6-b7) -13.54/17 11} 68.<br> Kh5 {(Kg4-h5 Re2xg2 d7-d8Q Rg2-e2 a6-a7 Re2-e8 a7-a8Q Re8xd8 c7xd8Q Rf8xd8<br> Qa8xd8+ Kg8-f7 Qd8-d5+ Kf7-f6 Qd5xb5 Kf6-e6 Kh5-g5 Ke6-d6 Qb5xf5 Kd6-c7<br> g3-g4 Kc7-c6 Qf5-c5+ Kc6-b7 b4-b5 Kb7-a8 Kg5-f5 Ka8-b8 g4-g5 Kb8-b7 Qc5-c6+<br> Kb7-b8 g5-g6 Kb8-a7 b5-b6+ Ka7-a6 b6-b7+ Ka6-a7) +19.24/15 9} f4 {(f5-f4<br> d7-d8Q Re2-e5+ Kh5-g4 Re5-e3 g3xf4 Kg8-g7 c7-c8Q Rf8xd8 Qc8xd8 Re3-e2 a6-a7<br> Re2xg2+ Kg4-f3 Rg2-a2 Qd8-e7+ Kg7-g6 Qe7-e6+ Kg6-g7 Qe6xa2 Kg7-f6 a7-a8Q<br> Kf6-e7 Qa8-b7+ Ke7-d8 Qb7xb5) -21.29/14 8} 69. Bd5+ {(Bg2-d5+ Kg8-g7 d7-d8Q<br> Re2-e5+ Kh5-g4 Re5xd5 Qd8xd5 Rf8-e8 Qd5xb5 Re8-f8 g3xf4 Kg7-g6 a6-a7 Kg6-g7<br> Qb5-g5+ Kg7-h7 b4-b5 Rf8-a8 b5-b6 Ra8xa7 b6xa7) +26.68/11 3} Kg7 {(Kg8-g7<br> d7-d8Q Re2-e5+ Kh5-g4 Re5xd5 Qd8xd5 Kg7-h6 g3xf4 Rf8-g8+ Qd5-g5+ Rg8xg5+<br> f4xg5+ Kh6-g7 a6-a7 Kg7-g6 c7-c8Q Kg6-f7 a7-a8Q Kf7-e7 Qc8-c5+ Ke7-f7<br> Qc5xb5 Kf7-e7 Qb5-d3 Ke7-f7 Qd3-h7+ Kf7-e6 Qa8-c6+ Ke6-e5 Qh7-e4+) -M15/15<br> 5} 70. d8=Q {(d7-d8Q Re2-e5+ Kh5-g4 Re5xd5 Qd8xd5 Rf8-e8 Qd5xb5 Re8-f8<br> g3xf4 Kg7-g6 a6-a7 Kg6-g7 Qb5-g5+ Kg7-h7 b4-b5 Rf8-a8 b5-b6 Ra8xa7 b6xa7)<br> +26.68/10} Re5+ {(Re2-e5+ Kh5-g4 Re5xd5 Qd8xd5 f4xg3 Kg4xg3 Rf8-e8 Qd5-d7+<br> Kg7-f8 c7-c8Q Re8xc8 Qd7xc8+ Kf8-f7 a6-a7 Kf7-e7 a7-a8Q Ke7-f6 Qc8-c6+<br> Kf6-f5 Qa8-f8+ Kf5-g5 Qc6-h6+) -M11/20 3} 71. Kg4 {(Kh5-g4 Re5xd5 Qd8xd5<br> Kg7-h7 Qd5-e4+ Kh7-h8 Qe4-e5+ Kh8-g8 Qe5-g5+ Kg8-f7 Qg5-f5+ Kf7-e7 Qf5xf8+<br> Ke7xf8 c7-c8Q+ Kf8-e7 a6-a7 f4xg3 a7-a8Q g3-g2 Qa8-e4+ Ke7-d6 Qc8-d8+)<br> +M12/15 4} Rxd5 {(Re5xd5 Qd8xd5 f4xg3 Qd5-d7+ Kg7-f6 Qd7-d6+ Kf6-f7 Kg4-f5<br> Kf7-g7+ Qd6xf8+ Kg7xf8 c7-c8Q+ Kf8-f7 Qc8-d7+ Kf7-f8 a6-a7 g3-g2 a7-a8Q+)<br> -M9/20 3} 72. Qxd5 {(Qd8xd5 Kg7-h7 Qd5-e4+ Kh7-h8 Qe4-e5+ Kh8-g8 Qe5-g5+<br> Kg8-f7 Qg5-f5+ Kf7-e7 Qf5xf8+ Ke7xf8 c7-c8Q+ Kf8-e7 a6-a7 f4xg3 a7-a8Q<br> g3-g2 Qc8-d8+ Ke7-e6 Qa8-d5+) +M11/15 1} fxg3 {(f4xg3 Qd5-d7+ Kg7-f6<br> Qd7-d6+ Kf6-f7 Kg4-f5 Kf7-g7+ Qd6xf8+ Kg7xf8 c7-c8Q+ Kf8-f7 Qc8-d7+ Kf7-f8<br> a6-a7 g3-g2 a7-a8Q+) -M8/22 2} 73. a7 {(a6-a7 Kg7-h7 Qd5-h5+ Kh7-g7 Qh5-g5+<br> Kg7-h7 Qg5-e7+ Kh7-g8 Qe7xf8+ Kg8xf8 c7-c8Q+ Kf8-e7 a7-a8Q g3-g2 Kg4-f5<br> g2-g1Q Qc8-e6+) +M10/14 19} g2 {(g3-g2 Qd5xg2 Kg7-f6 a7-a8Q Rf8xa8 Qg2xa8<br> Kf6-e5 c7-c8Q Ke5-d4 Qc8-d7+ Kd4-e5 Qa8-a1+ Ke5-e4 Qd7-d4+) -M7/22 3} 74.<br> Qxg2 {(Qd5xg2 Kg7-h7 a7-a8Q Rf8xa8 Qg2xa8 Kh7-h6 c7-c8Q Kh6-h7 Qc8-d7+<br> Kh7-h6 Qa8-a6+) +M8/9 15} Rf6 {(Rf8-f6 a7-a8Q Rf6-g6+ Kg4-f5 Rg6xg2 Qa8xg2+<br> Kg7-f7 c7-c8Q Kf7-e7 Qc8-c7+ Ke7-e8 Qg2-a8+) -M6/22 0} 75. a8=Q {(a7-a8Q<br> Rf6-g6+ Kg4-f5 Rg6xg2 Qa8xg2+ Kg7-f7 c7-c8Q Kf7-e7 Qg2-f2 Ke7-f7 Qf2-a7+)<br> +M6/13 5} Rg6+ {(Rf6-g6+ Kg4-f5 Rg6xg2 Qa8xg2+ Kg7-f7 c7-c8Q Kf7-e7 Qc8-c7+<br> Ke7-e8 Qg2-a8+) -M5/20 0 Black resigns} *