Old games analyzed with new engines.
Here is my first favorite: Kasparov vs. Anand 1995
[Event "PCA-World Championship"]
[Site "New York"]
[Date "1995.09.26"]
[Round "10"]
[White "Kasparov, Gary"]
[Black "Anand, Viswanathan"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2795"]
[BlackElo "2725"]
[PlyCount "75"]
[EventDate "1995.09.??"]
[EventType "match"]
[EventRounds "18"]
[EventCountry "USA"]
[Source "ChessBase"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. Nbd2 Nc5 10. c3 d4 11. Ng5 dxc3 12. Nxe6 fxe6 13. bxc3 Qd3 14. Bc2 Qxc3
15. Nb3 Nxb3 16. Bxb3 Nd4 17. Qg4 Qxa1 18. Bxe6 Rd8 19. Bh6 Qc3 20. Bxg7 Qd3
21. Bxh8 Qg6 22. Bf6 Be7 23. Bxe7 Qxg4 24. Bxg4 Kxe7 25. Rc1 c6 26. f4 a5 27.
Kf2 a4 28. Ke3 b4 29. Bd1 a3 30. g4 Rd5 31. Rc4 c5 32. Ke4 Rd8 33. Rxc5 Ne6 34.
Rd5 Rc8 35. f5 Rc4+ 36. Ke3 Nc5 37. g5 Rc1 38. Rd6 1-0
To find is the move 17. Qg4!!
r3kb1r/2p3pp/p3p3/1p2P3/3n4/1Bq5/P4PPP/R1BQ1RK1 w kq - 0 1
17. Qg4! +/-
On my core 2 Duo 2.66 GHz with 256 MB Hash.
Analysis by Crab 1.0 beta:
17.Tb1 0-0-0 18.Lb2 Dc5 19.Lxd4 Txd4 20.Dh5 Te4 21.De8+ Kb7 22.Lxe6 Dxe5 23.Dc8+ Ka7 24.Lg4 Ld6
= (0.24) Tiefe: 20 00:00:19 29464kN
17.Dg4 0-0-0 18.Lg5
+/= (0.60) Tiefe: 20 00:00:29 45629kN
17.Dg4 Dxa1 18.Lxe6 g6 19.Ld7+ Kf7 20.Le3 Dxa2 21.Lxd4 c5 22.Df3+ Kg7 23.Df6+ Kh6 24.Le6
+/- (0.72) Tiefe: 20 00:00:32 50240kN
17.Dg4 Dxa1 18.Lxe6 Dc3 19.Ld7+ Kf7 20.Le3 Lc5 21.e6+ Kg8 22.e7 g6 23.e8D+ Txe8 24.Lxe8 Sf5 25.Tc1 Db4 26.Dxb4 Lxb4 27.Txc7 La5 28.Ta7 Sxe3 29.fxe3 Lb6 30.Txa6 Lxe3+ 31.Kf1 Kg7 32.Lxb5 Tf8+
+/= (0.28) Tiefe: 20 00:00:42 67299kN
17.Dg4 Dxa1 18.Lxe6 Dc3 19.Ld7+ Kf7 20.Le3 Lc5 21.e6+ Kg8 22.e7 g6 23.e8D+ Txe8 24.Lxe8 Sf5 25.Tc1 Db4 26.Dxb4 Lxb4
+/= (0.52) Tiefe: 21 00:00:49 77982kN
17.Dg4 Dxa1 18.Lxe6 Dc3 19.Ld7+ Kf7 20.Le3 Lc5 21.e6+ Kg8 22.e7 g6 23.e8D+ Txe8 24.Lxe8 Sf5 25.Tc1
+/- (0.76) Tiefe: 21 00:00:55 89244kN
17.Dg4 Dxa1 18.Lxe6 Dc3 19.Ld7+ Kf7 20.Le3 Lc5 21.e6+ Kg8 22.e7 g6 23.e8D+ Txe8 24.Lxe8 Sf5 25.Tc1 Db4 26.Dxb4 Lxb4 27.Txc7 Sxe3 28.fxe3 Kf8 29.Lc6 Ld6 30.Td7 Le7 31.Ld5 Ke8 32.Tc7 Kd8
+/= (0.60) Tiefe: 21 00:00:58 93820kN
17.Dg4 Dxa1 18.Lxe6 Dc3 19.Ld7+ Kf7 20.Le3 Lc5 21.e6+ Kg8 22.e7 g6 23.e8D+ Txe8 24.Lxe8 Sf5 25.Tc1 Db4 26.Dxb4 Lxb4 27.Txc7 Sxe3 28.fxe3 Kf8 29.Lc6 Ld6 30.Td7 Le7 31.Kf2 Kf7 32.Ta7 Ke6
+/- (0.84) Tiefe: 22 00:01:37 157mN
17.Dg4 Dxa1 18.Lxe6 Td8 19.Lh6 Db2 20.Lxg7 De2 21.Lxh8 Dxg4 22.Lxg4 Le7 23.e6 Td5 24.g3 Lc5 25.Kg2 Ke7 26.Td1 c6 27.f4 b4 28.Td2 Lb6 29.Le5 a5 30.h3 c5 31.Le2 Txe5 32.fxe5 Sxe2
+/- (0.84) Tiefe: 23 00:03:39 362mN
(Nemeth, Privat 19.07.2010)
Crab 1.0 beta find it after 29 seconds on 2 cores with 2.66 GHz.
ED.
Old human games analyzed with new engines
-
Eduard Nemeth
- Posts: 616
- Joined: Thu Jun 10, 2010 12:50 am
Old human games analyzed with new engines
Peace be with you!
-
LetoAtreides82
- Posts: 32
- Joined: Thu Jun 10, 2010 12:46 am
Re: Old human games analyzed with new engines
Houdini 1.03a x64 4CPU on my Q9650 running at 3.8ghz prefers 17.Qg4 after a minute and 37 seconds:
r3kb1r/2p3pp/p3p3/1p2P3/3n4/1Bq5/P4PPP/R1BQ1RK1 w kq - 0 1
Analysis by Houdini 1.03a x64 4_CPU:
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Ne2+ 20.Kh1 Nc3
= (-0.22) Depth: 6/18 00:00:00 7kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Ne2+ 20.Kh1 Nc3 21.Rd3
= (-0.22) Depth: 7/18 00:00:00 14kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Ne2+ 20.Kh1 Nc3 21.Rd3
= (-0.16 !) Depth: 8/18 00:00:00 16kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Rd1+ Kc6
= (-0.11) Depth: 8/18 00:00:00 18kN
17.Bf4 Nxb3 18.axb3 Rd8 19.Qg4 Qc6 20.Be3
= (-0.04 !) Depth: 8/19 00:00:00 27kN
17.Bf4 c5 18.Qg4 c4 19.Be3 Rd8 20.Rac1 Qb2 21.Bxd4 Qxd4 22.Qxe6+ Be7 23.Qc6+ Rd7
= (-0.12) Depth: 8/20 00:00:00 52kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Rd1+ Kc6
= (-0.11) Depth: 8/20 00:00:00 52kN
17.Bg5 Nxb3 18.axb3 Bb4 19.Rc1 Qxe5 20.Qh5+ g6 21.Qf3 Ra7
= (-0.01) Depth: 8/21 00:00:00 70kN
17.Bg5 Nxb3 18.axb3 Bb4 19.Rc1 Qxe5 20.Qh5+ g6 21.Qf3 Ra7 22.Qc6+ Kf7
= (-0.04) Depth: 9/21 00:00:00 75kN
17.Bg5 Nxb3 18.axb3 Bb4 19.Rc1 Qxe5 20.Qh5+ g6 21.Qf3 Ra7 22.Qc6+ Kf7 23.Be3
= (0.01 !) Depth: 10/21 00:00:00 93kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Rd1+ Kc6
= (-0.11) Depth: 10/23 00:00:00 129kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Ra2 Bb4 23.Rd1+ Ke7
= (-0.12) Depth: 11/23 00:00:00 144kN
17.Bf4 c5 18.Qg4 c4 19.Be3 Rd8 20.Rac1 Qb2 21.Bxd4 Qxd4 22.Qxe6+ Be7 23.Qc6+ Rd7
= (-0.05 !) Depth: 11/31 00:00:00 233kN
17.Bf4 Nxb3 18.axb3 c5 19.Rc1 Qd4 20.Qf3 Qd5 21.Qe3 Rd8 22.Ra1 Qc6 23.Rfd1 Be7
= (0.05) Depth: 11/31 00:00:00 279kN
17.Bf4 c5 18.Rc1 Qb2 19.Re1 Rd8 20.Rb1 Qa3 21.Bc1 Qa5 22.Bd2 Qc7 23.Bg5 Be7 24.Qh5+ g6
= (-0.19) Depth: 12/32 00:00:00 689kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rac1 Rd8 22.Rxd8+ Kxd8 23.Rc6 Rf8 24.Rxa6 Kd7 25.Ra7
= (-0.02) Depth: 12/32 00:00:00 717kN
17.Rb1 Nxb3 18.Qh5+ g6 19.Rxb3 gxh5 20.Rxc3 c5 21.Rd1 Rd8
= (0.02 !) Depth: 13/34 00:00:00 1108kN
17.Rb1 Nxb3 18.Qh5+ g6 19.Rxb3 gxh5 20.Rxc3 c5 21.Rd1 Rd8
= (0.14 !) Depth: 13/35 00:00:00 1292kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Bf8 22.Qf4 Bc5 23.Be3 Rf8 24.Qh6 Bxe3 25.Qxe3 Rd8 26.Rfd1 Rxd3 27.Qxd3
= (0.01) Depth: 13/35 00:00:00 1530kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Bf8 22.Qf4 Bc5 23.Be3 Rf8 24.Qh6 Bxe3 25.Qxe3 Rd8 26.Rfd1 Rxd3 27.Qxd3 Qd5
= (0.06 !) Depth: 14/35 00:00:00 1627kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Bf8 22.Qf4 Bc5 23.Rdd1 Rf8 24.Qh6 Rf7 25.Bg5 Bf8 26.Qh4 h5 27.Bf6 Rd7 28.Qg5 Qc2
= (0.18 !) Depth: 14/37 00:00:00 1925kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 h5 20.Qb3 Rd8 21.Rc3 Qd5 22.Rxc7 Qxb3 23.axb3 a5 24.Ra7 Rd3 25.Rxa5 Rxb3 26.Rd1 b4 27.Ra8+ Kf7 28.Rd7+ Kg6 29.Raa7 Kf5
+/= (0.32) Depth: 14/38 00:00:00 3420kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 Rxd1+ 25.Rxd1 Rxd1+ 26.Qxd1 Qe4 27.Qd5 Qxd5 28.Bxd5
= (0.16) Depth: 15/38 00:00:01 4973kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 Rxd1+ 25.Rxd1 Rxd1+ 26.Qxd1 Qe4 27.Qd5 Qxd5 28.Bxd5 Kc8
= (0.22 !) Depth: 16/38 00:00:01 5475kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 Rxd1+ 25.Rxd1 Rxd1+ 26.Qxd1 Qe4 27.e6 Bc5 28.Qc1 Be7 29.Qc3
= (0.23) Depth: 16/38 00:00:01 6052kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 g6 25.Rxd4 Rxd4 26.Bg8 Re4 27.Qb2 h5 28.Rd1
= (0.21) Depth: 17/38 00:00:01 7447kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 g6 25.Rxd4 Rxd4 26.Bg8 Re4 27.Qb2 h5 28.Rd1
= (0.21) Depth: 18/42 00:00:02 12098kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 g6 25.Rxd4 Rxd4 26.Bg8 Re4 27.Qb2 h5 28.Rd1
= (0.21) Depth: 19/47 00:00:03 18292kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bb3 Qe4 23.Qh5 Be7 24.Rbe1 Qg6 25.Qxg6 hxg6 26.Rd1 Re4 27.Rfe1 Rxe1+ 28.Rxe1 Kb7 29.Rd1 Kc6
= (0.22) Depth: 20/47 00:00:06 35955kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bb3 Qe4 23.Qh5 Be7 24.Rbe1 Qg6 25.Qxg6 hxg6 26.Rd1 Rhd8 27.Rxd4 Rxd4 28.Rd1 Rxd1+ 29.Bxd1 Kc8 30.f4
= (0.18) Depth: 21/52 00:00:13 71709kN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.Bxd4 Qxd4 23.Qf3 h6 24.Qxa8+ Kh7 25.Qxa6 Rf8 26.Qxb5 Rxf2 27.Qb1+ Kg8 28.Rxf2 Qxf2+ 29.Kh1 Kf8 30.a4 Bb6 31.Bc6 Ke7 32.Bd5 Qd2 33.Bc4 Be3 34.Qb5 Qc1+ 35.Bf1 Kxe6 36.a5 c6 37.Qd3 c5 38.a6 c4
= (0.24 !) Depth: 22/65 00:01:37 541mN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.Qe4 Rf8 23.e7 Ne2+ 24.Kh1 Bxe7 25.Be6+ Rf7 26.Qa8+ Bf8 27.Qe8 Qf6 28.Bc5 Qxe6 29.Qxe6 Bxc5 30.Qxe2 h5 31.a4 bxa4 32.Qc4 Bf8 33.Qxa4 Rh6 34.f3 Rb6 35.Re1 Re7 36.Qc4+ Kh7 37.Rd1 Rd6 38.Ra1 g6 39.h4
+/= (0.36 !) Depth: 22/65 00:02:07 720mN
17.Qg4 Be7 18.Rb1 Qd3 19.Qxg7 Rf8 20.Be3 Nxb3 21.axb3 Qf5 22.Rbc1 Rf7 23.Qg8+ Bf8 24.Rc6 a5 25.Re1 Qxe5 26.Rc5 Qg7 27.Qxg7 Bxg7 28.Rxb5
+/= (0.37) Depth: 22/67 00:02:58 1011mN
17.Qg4 Be7 18.Rb1 Qd3 19.Qxg7 Rf8 20.Be3 Nxb3 21.axb3 Qf5 22.Rbc1 Rf7 23.Qg8+ Bf8 24.Rc6 a5 25.h3 Qxe5 26.Bh6 Qf5 27.g4 Qg6 28.Qxg6 hxg6 29.Rxe6+ Re7 30.Rxg6 a4 31.bxa4
+/= (0.41) Depth: 23/67 00:03:28 1190mN
Deep Rybka 4 x64 4CPU prefers 17.Qg4 on my machine after 42 seconds:
r3kb1r/2p3pp/p3p3/1p2P3/3n4/1Bq5/P4PPP/R1BQ1RK1 w kq - 0 1
Analysis by Deep Rybka 4 x64 4CPU:
17.Bf4 c5 18.Re1 Nxb3 19.axb3 Rd8 20.Qh5+ g6 21.Qg4 Kf7 22.Rec1 Qxb3
= (0.02) Depth: 6 00:00:00 11kN
17.Rb1 Nxb3 18.Rxb3 Qxe5 19.Re3
= (0.16 !) Depth: 6 00:00:00 15kN
17.Rb1 Nxb3 18.Rxb3 Qc4 19.Qf3 Qd5 20.Qh5+ g6 21.Qe2 Rd8 22.Bg5
= (-0.08) Depth: 6 00:00:00 18kN
17.Bf4 c5 18.Re1 Nxb3 19.axb3 Rd8 20.Qh5+ g6 21.Qg4 Kf7 22.Rec1 Qxb3
= (0.02) Depth: 6 00:00:00 18kN
17.Bf4 c5 18.Re1 Rd8 19.Rc1 Qb2 20.Rb1 Qc3
= (0.00) Depth: 7 00:00:00 23kN
17.Bd2 Qd3 18.Ba5 Qxd1 19.Bxd1 0-0-0 20.Rc1 Rd7
= (0.14 !) Depth: 7 00:00:00 28kN
17.Bd2 Qd3 18.Ba5 Qxd1 19.Bxd1 0-0-0 20.Rc1 Rd7
= (0.14 !) Depth: 7 00:00:00 28kN
17.Bf4 c5 18.Re1 Rd8 19.Rc1 Qb2 20.Bg5 Rd7 21.Rb1 Qa3 22.Qg4
= (0.11) Depth: 8 00:00:00 60kN
17.Bf4 c5 18.Rc1 Qb2 19.Re1 Rd8 20.Rb1 Qc3 21.Rc1 Qa5 22.Bg5 Be7 23.Bxe7 Kxe7
= (0.00) Depth: 9 00:00:00 92kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Qc2 22.Rd2 Qf5 23.Re1 Qf8 24.Qe3 Kf7
= (0.13) Depth: 9 00:00:00 118kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Qc2 22.Rd2 Qf5 23.Re1 Qf8 24.Qe3 Kf7
= (0.13) Depth: 10 00:00:00 125kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Qc2 22.Rd2 Qf5 23.Rfd1 Kf7 24.Rd7 Qxe5 25.Bg5 Rae8 26.f3
= (0.20) Depth: 11 00:00:00 233kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
+/= (0.32 !) Depth: 12 00:00:01 526kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
= (0.08) Depth: 12 00:00:01 526kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
= (0.20 !) Depth: 13 00:00:01 527kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
+/= (0.35 !) Depth: 13 00:00:02 930kN
17.Rb1 Qc5 18.Qh5+ g6 19.Qh3 Qxe5 20.Bb2 0-0-0 21.Bxd4 Rxd4 22.Rfe1 Qf6 23.Rxe6 Qf5 24.Qxf5 gxf5 25.Rxa6
+/= (0.35) Depth: 13 00:00:03 1095kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bb3 Bc5 23.Rfd1 Rxd1+ 24.Rxd1 Rf8
+/= (0.34) Depth: 14 00:00:04 1518kN
17.Rb1 0-0-0 18.Bb2 Qc5 19.Bxd4 Rxd4 20.Qh5 Qc6 21.Rbc1 Bc5 22.Qf7 Rd2 23.Kh1 g6 24.Bxe6+ Kb8 25.Bb3 h5 26.a4 b4
+/= (0.34) Depth: 15 00:00:08 2958kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Qh5 g6 20.Qh3 Ne2+ 21.Kh1 Qxe5 22.Rbe1 Nc3 23.Bc1 Qd4 24.Rxe6 Kb8 25.Rxa6 Qd3
+/= (0.34) Depth: 16 00:00:11 3900kN
17.Rb1 0-0-0 18.Bb2 Qc5 19.Bxd4 Rxd4 20.Qh5 Qc6 21.Rbc1 Bc5 22.Rc2 g6 23.Qh3 Qb6 24.Rfc1 Rhd8 25.Qf3 Rf8 26.Qe2
+/= (0.33) Depth: 17 00:00:16 5664kN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.Bxd4 Qxd4 23.Qf3 h6 24.Qxa8+ Kh7 25.Qxa6 Rf8 26.Qxb5 Rxf2 27.Qb1+ Rc2+ 28.Kh1[] Qe4 29.Bc6 Qg6 30.Re1 Rc4 31.Be4
+/= (0.46 !) Depth: 17 00:00:42 15180kN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.e7 g6 23.e8Q+ Rxe8 24.Bxe8 Nf5 25.Bxg6 hxg6 26.Qxg6+ Ng7 27.Rc1 Qxe3 28.fxe3 Bxe3+ 29.Kh1 Bxc1 30.Qxa6 Rh5 31.Qc8+ Kh7 32.Qxc7
+/= (0.61 !) Depth: 17 00:00:58 19997kN
17.Qg4 Be7 18.Be3 Nxb3[] 19.Qxg7 Rf8 20.axb3 Rf7 21.Qh8+ Bf8 22.Rad1 Qc2 23.Qg8 Qg6 24.Qxg6 hxg6 25.Rc1 Rd7 26.Rc6 Bg7 27.Rfc1
+/= (0.59) Depth: 17 00:02:34 59172kN, tb=56
17.Qg4 Be7 18.Be3 Nxb3 19.Qxg7 Rf8 20.axb3[] Rf7 21.Qg3 Qxb3 22.Qg8+ Bf8 23.Bh6 Qd5 24.Bxf8 Rxf8 25.Qxh7
+/- (0.71 !) Depth: 18 00:03:17 75053kN, tb=56
r3kb1r/2p3pp/p3p3/1p2P3/3n4/1Bq5/P4PPP/R1BQ1RK1 w kq - 0 1
Analysis by Houdini 1.03a x64 4_CPU:
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Ne2+ 20.Kh1 Nc3
= (-0.22) Depth: 6/18 00:00:00 7kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Ne2+ 20.Kh1 Nc3 21.Rd3
= (-0.22) Depth: 7/18 00:00:00 14kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Ne2+ 20.Kh1 Nc3 21.Rd3
= (-0.16 !) Depth: 8/18 00:00:00 16kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Rd1+ Kc6
= (-0.11) Depth: 8/18 00:00:00 18kN
17.Bf4 Nxb3 18.axb3 Rd8 19.Qg4 Qc6 20.Be3
= (-0.04 !) Depth: 8/19 00:00:00 27kN
17.Bf4 c5 18.Qg4 c4 19.Be3 Rd8 20.Rac1 Qb2 21.Bxd4 Qxd4 22.Qxe6+ Be7 23.Qc6+ Rd7
= (-0.12) Depth: 8/20 00:00:00 52kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Rd1+ Kc6
= (-0.11) Depth: 8/20 00:00:00 52kN
17.Bg5 Nxb3 18.axb3 Bb4 19.Rc1 Qxe5 20.Qh5+ g6 21.Qf3 Ra7
= (-0.01) Depth: 8/21 00:00:00 70kN
17.Bg5 Nxb3 18.axb3 Bb4 19.Rc1 Qxe5 20.Qh5+ g6 21.Qf3 Ra7 22.Qc6+ Kf7
= (-0.04) Depth: 9/21 00:00:00 75kN
17.Bg5 Nxb3 18.axb3 Bb4 19.Rc1 Qxe5 20.Qh5+ g6 21.Qf3 Ra7 22.Qc6+ Kf7 23.Be3
= (0.01 !) Depth: 10/21 00:00:00 93kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Rd1+ Kc6
= (-0.11) Depth: 10/23 00:00:00 129kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rdc1 Kd7 22.Ra2 Bb4 23.Rd1+ Ke7
= (-0.12) Depth: 11/23 00:00:00 144kN
17.Bf4 c5 18.Qg4 c4 19.Be3 Rd8 20.Rac1 Qb2 21.Bxd4 Qxd4 22.Qxe6+ Be7 23.Qc6+ Rd7
= (-0.05 !) Depth: 11/31 00:00:00 233kN
17.Bf4 Nxb3 18.axb3 c5 19.Rc1 Qd4 20.Qf3 Qd5 21.Qe3 Rd8 22.Ra1 Qc6 23.Rfd1 Be7
= (0.05) Depth: 11/31 00:00:00 279kN
17.Bf4 c5 18.Rc1 Qb2 19.Re1 Rd8 20.Rb1 Qa3 21.Bc1 Qa5 22.Bd2 Qc7 23.Bg5 Be7 24.Qh5+ g6
= (-0.19) Depth: 12/32 00:00:00 689kN
17.Bd2 Qd3 18.Be3 Qxd1 19.Rfxd1 Nxb3 20.axb3 Be7 21.Rac1 Rd8 22.Rxd8+ Kxd8 23.Rc6 Rf8 24.Rxa6 Kd7 25.Ra7
= (-0.02) Depth: 12/32 00:00:00 717kN
17.Rb1 Nxb3 18.Qh5+ g6 19.Rxb3 gxh5 20.Rxc3 c5 21.Rd1 Rd8
= (0.02 !) Depth: 13/34 00:00:00 1108kN
17.Rb1 Nxb3 18.Qh5+ g6 19.Rxb3 gxh5 20.Rxc3 c5 21.Rd1 Rd8
= (0.14 !) Depth: 13/35 00:00:00 1292kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Bf8 22.Qf4 Bc5 23.Be3 Rf8 24.Qh6 Bxe3 25.Qxe3 Rd8 26.Rfd1 Rxd3 27.Qxd3
= (0.01) Depth: 13/35 00:00:00 1530kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Bf8 22.Qf4 Bc5 23.Be3 Rf8 24.Qh6 Bxe3 25.Qxe3 Rd8 26.Rfd1 Rxd3 27.Qxd3 Qd5
= (0.06 !) Depth: 14/35 00:00:00 1627kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Bf8 22.Qf4 Bc5 23.Rdd1 Rf8 24.Qh6 Rf7 25.Bg5 Bf8 26.Qh4 h5 27.Bf6 Rd7 28.Qg5 Qc2
= (0.18 !) Depth: 14/37 00:00:00 1925kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 h5 20.Qb3 Rd8 21.Rc3 Qd5 22.Rxc7 Qxb3 23.axb3 a5 24.Ra7 Rd3 25.Rxa5 Rxb3 26.Rd1 b4 27.Ra8+ Kf7 28.Rd7+ Kg6 29.Raa7 Kf5
+/= (0.32) Depth: 14/38 00:00:00 3420kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 Rxd1+ 25.Rxd1 Rxd1+ 26.Qxd1 Qe4 27.Qd5 Qxd5 28.Bxd5
= (0.16) Depth: 15/38 00:00:01 4973kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 Rxd1+ 25.Rxd1 Rxd1+ 26.Qxd1 Qe4 27.Qd5 Qxd5 28.Bxd5 Kc8
= (0.22 !) Depth: 16/38 00:00:01 5475kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 Rxd1+ 25.Rxd1 Rxd1+ 26.Qxd1 Qe4 27.e6 Bc5 28.Qc1 Be7 29.Qc3
= (0.23) Depth: 16/38 00:00:01 6052kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 g6 25.Rxd4 Rxd4 26.Bg8 Re4 27.Qb2 h5 28.Rd1
= (0.21) Depth: 17/38 00:00:01 7447kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 g6 25.Rxd4 Rxd4 26.Bg8 Re4 27.Qb2 h5 28.Rd1
= (0.21) Depth: 18/42 00:00:02 12098kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bf7 Be7 23.Rfd1 Rhd8 24.g3 g6 25.Rxd4 Rxd4 26.Bg8 Re4 27.Qb2 h5 28.Rd1
= (0.21) Depth: 19/47 00:00:03 18292kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bb3 Qe4 23.Qh5 Be7 24.Rbe1 Qg6 25.Qxg6 hxg6 26.Rd1 Re4 27.Rfe1 Rxe1+ 28.Rxe1 Kb7 29.Rd1 Kc6
= (0.22) Depth: 20/47 00:00:06 35955kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bb3 Qe4 23.Qh5 Be7 24.Rbe1 Qg6 25.Qxg6 hxg6 26.Rd1 Rhd8 27.Rxd4 Rxd4 28.Rd1 Rxd1+ 29.Bxd1 Kc8 30.f4
= (0.18) Depth: 21/52 00:00:13 71709kN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.Bxd4 Qxd4 23.Qf3 h6 24.Qxa8+ Kh7 25.Qxa6 Rf8 26.Qxb5 Rxf2 27.Qb1+ Kg8 28.Rxf2 Qxf2+ 29.Kh1 Kf8 30.a4 Bb6 31.Bc6 Ke7 32.Bd5 Qd2 33.Bc4 Be3 34.Qb5 Qc1+ 35.Bf1 Kxe6 36.a5 c6 37.Qd3 c5 38.a6 c4
= (0.24 !) Depth: 22/65 00:01:37 541mN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.Qe4 Rf8 23.e7 Ne2+ 24.Kh1 Bxe7 25.Be6+ Rf7 26.Qa8+ Bf8 27.Qe8 Qf6 28.Bc5 Qxe6 29.Qxe6 Bxc5 30.Qxe2 h5 31.a4 bxa4 32.Qc4 Bf8 33.Qxa4 Rh6 34.f3 Rb6 35.Re1 Re7 36.Qc4+ Kh7 37.Rd1 Rd6 38.Ra1 g6 39.h4
+/= (0.36 !) Depth: 22/65 00:02:07 720mN
17.Qg4 Be7 18.Rb1 Qd3 19.Qxg7 Rf8 20.Be3 Nxb3 21.axb3 Qf5 22.Rbc1 Rf7 23.Qg8+ Bf8 24.Rc6 a5 25.Re1 Qxe5 26.Rc5 Qg7 27.Qxg7 Bxg7 28.Rxb5
+/= (0.37) Depth: 22/67 00:02:58 1011mN
17.Qg4 Be7 18.Rb1 Qd3 19.Qxg7 Rf8 20.Be3 Nxb3 21.axb3 Qf5 22.Rbc1 Rf7 23.Qg8+ Bf8 24.Rc6 a5 25.h3 Qxe5 26.Bh6 Qf5 27.g4 Qg6 28.Qxg6 hxg6 29.Rxe6+ Re7 30.Rxg6 a4 31.bxa4
+/= (0.41) Depth: 23/67 00:03:28 1190mN
Deep Rybka 4 x64 4CPU prefers 17.Qg4 on my machine after 42 seconds:
r3kb1r/2p3pp/p3p3/1p2P3/3n4/1Bq5/P4PPP/R1BQ1RK1 w kq - 0 1
Analysis by Deep Rybka 4 x64 4CPU:
17.Bf4 c5 18.Re1 Nxb3 19.axb3 Rd8 20.Qh5+ g6 21.Qg4 Kf7 22.Rec1 Qxb3
= (0.02) Depth: 6 00:00:00 11kN
17.Rb1 Nxb3 18.Rxb3 Qxe5 19.Re3
= (0.16 !) Depth: 6 00:00:00 15kN
17.Rb1 Nxb3 18.Rxb3 Qc4 19.Qf3 Qd5 20.Qh5+ g6 21.Qe2 Rd8 22.Bg5
= (-0.08) Depth: 6 00:00:00 18kN
17.Bf4 c5 18.Re1 Nxb3 19.axb3 Rd8 20.Qh5+ g6 21.Qg4 Kf7 22.Rec1 Qxb3
= (0.02) Depth: 6 00:00:00 18kN
17.Bf4 c5 18.Re1 Rd8 19.Rc1 Qb2 20.Rb1 Qc3
= (0.00) Depth: 7 00:00:00 23kN
17.Bd2 Qd3 18.Ba5 Qxd1 19.Bxd1 0-0-0 20.Rc1 Rd7
= (0.14 !) Depth: 7 00:00:00 28kN
17.Bd2 Qd3 18.Ba5 Qxd1 19.Bxd1 0-0-0 20.Rc1 Rd7
= (0.14 !) Depth: 7 00:00:00 28kN
17.Bf4 c5 18.Re1 Rd8 19.Rc1 Qb2 20.Bg5 Rd7 21.Rb1 Qa3 22.Qg4
= (0.11) Depth: 8 00:00:00 60kN
17.Bf4 c5 18.Rc1 Qb2 19.Re1 Rd8 20.Rb1 Qc3 21.Rc1 Qa5 22.Bg5 Be7 23.Bxe7 Kxe7
= (0.00) Depth: 9 00:00:00 92kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Qc2 22.Rd2 Qf5 23.Re1 Qf8 24.Qe3 Kf7
= (0.13) Depth: 9 00:00:00 118kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Qc2 22.Rd2 Qf5 23.Re1 Qf8 24.Qe3 Kf7
= (0.13) Depth: 10 00:00:00 125kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6 21.Qh6 Qc2 22.Rd2 Qf5 23.Rfd1 Kf7 24.Rd7 Qxe5 25.Bg5 Rae8 26.f3
= (0.20) Depth: 11 00:00:00 233kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
+/= (0.32 !) Depth: 12 00:00:01 526kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
= (0.08) Depth: 12 00:00:01 526kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
= (0.20 !) Depth: 13 00:00:01 527kN
17.Rb1 Nxb3 18.Rxb3 Qc6 19.Rd3 Be7 20.Qh5+ g6[] 21.Qh6 Qc2 22.Qh3 Rf8 23.Rd2 Qf5 24.Qxh7 Rf7 25.Qh8+ Rf8 26.Qg7 Qf7 27.Qxf7+ Kxf7 28.Rd7 c5 29.Bg5
+/= (0.35 !) Depth: 13 00:00:02 930kN
17.Rb1 Qc5 18.Qh5+ g6 19.Qh3 Qxe5 20.Bb2 0-0-0 21.Bxd4 Rxd4 22.Rfe1 Qf6 23.Rxe6 Qf5 24.Qxf5 gxf5 25.Rxa6
+/= (0.35) Depth: 13 00:00:03 1095kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Bxd4 Rxd4 20.Bxe6+ Kb8 21.Qe2 Qc6 22.Bb3 Bc5 23.Rfd1 Rxd1+ 24.Rxd1 Rf8
+/= (0.34) Depth: 14 00:00:04 1518kN
17.Rb1 0-0-0 18.Bb2 Qc5 19.Bxd4 Rxd4 20.Qh5 Qc6 21.Rbc1 Bc5 22.Qf7 Rd2 23.Kh1 g6 24.Bxe6+ Kb8 25.Bb3 h5 26.a4 b4
+/= (0.34) Depth: 15 00:00:08 2958kN
17.Rb1 Qc5 18.Be3 0-0-0 19.Qh5 g6 20.Qh3 Ne2+ 21.Kh1 Qxe5 22.Rbe1 Nc3 23.Bc1 Qd4 24.Rxe6 Kb8 25.Rxa6 Qd3
+/= (0.34) Depth: 16 00:00:11 3900kN
17.Rb1 0-0-0 18.Bb2 Qc5 19.Bxd4 Rxd4 20.Qh5 Qc6 21.Rbc1 Bc5 22.Rc2 g6 23.Qh3 Qb6 24.Rfc1 Rhd8 25.Qf3 Rf8 26.Qe2
+/= (0.33) Depth: 17 00:00:16 5664kN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.Bxd4 Qxd4 23.Qf3 h6 24.Qxa8+ Kh7 25.Qxa6 Rf8 26.Qxb5 Rxf2 27.Qb1+ Rc2+ 28.Kh1[] Qe4 29.Bc6 Qg6 30.Re1 Rc4 31.Be4
+/= (0.46 !) Depth: 17 00:00:42 15180kN
17.Qg4 Qxa1 18.Bxe6 Qc3 19.Bd7+ Kf7 20.Be3 Bc5 21.e6+ Kg8 22.e7 g6 23.e8Q+ Rxe8 24.Bxe8 Nf5 25.Bxg6 hxg6 26.Qxg6+ Ng7 27.Rc1 Qxe3 28.fxe3 Bxe3+ 29.Kh1 Bxc1 30.Qxa6 Rh5 31.Qc8+ Kh7 32.Qxc7
+/= (0.61 !) Depth: 17 00:00:58 19997kN
17.Qg4 Be7 18.Be3 Nxb3[] 19.Qxg7 Rf8 20.axb3 Rf7 21.Qh8+ Bf8 22.Rad1 Qc2 23.Qg8 Qg6 24.Qxg6 hxg6 25.Rc1 Rd7 26.Rc6 Bg7 27.Rfc1
+/= (0.59) Depth: 17 00:02:34 59172kN, tb=56
17.Qg4 Be7 18.Be3 Nxb3 19.Qxg7 Rf8 20.axb3[] Rf7 21.Qg3 Qxb3 22.Qg8+ Bf8 23.Bh6 Qd5 24.Bxf8 Rxf8 25.Qxh7
+/- (0.71 !) Depth: 18 00:03:17 75053kN, tb=56