Author: Eelco de Groot
Date: 06:44:46 09/19/05
Go up one level in this thread
On September 18, 2005 at 14:21:33, Andreas Guettinger wrote:
>[D]3br1k1/pp3ppp/1q2p3/2n4n/8/2P2Q2/PPB2PPP/2B1R1K1 w - -
>
>I the game Volkotin - Nakamura, Volkotin went for a win with Bxh7+!
>Does your engine find it?
>
>
>Hiarcs 9.6 UCI (400Mhz) needs some time:
>
> 6 +1.49 Qxh5 g6 Qh6 Bf6 h4 Qd6 (1.69)
> 7 +1.81 Qxh5 (3.25)
> 7 +1.93 Qxh5 g6 Qh6 Qb5 (4.15)
> 8 +1.61 Qxh5 (5.76)
> 8 +1.35 Qxh5 g6 Qh6 Bf6 b4 Nd7 Bd2 Ne5 (6.60)
> 9 +1.34 Qxh5 g6 Qd1 Bf6 Qf3 e5 b4 (13.99)
>10 +1.19 Qxh5 g6 Qf3 Qa6 a3 f5 Qe3 Qc4 Qh6 Bf6 (30.97)
>11 +1.20 Qxh5 g6 Qf3 Qa6 Be3 Be7 a3 (96.68)
>12 +1.32 Qxh5 g6 Qf3 a5 a3 Bc7 b4 Nd7 Ba4 (322.52)
>13 +1.26 Qxh5 g6 Qf3 a5 a3 Bc7 Qe3 Qb5 b4 Nd7 Qh6 Qc4 (736.77)
>13 +1.27 Bxh7+ (1239.50)
>13 +1.27 Bxh7+ Kxh7 Qxf7 Rf8 Qxf8 Nd3 Qf3 Nxe1 Qxh5+ Kg8 Qe2 Nxg2 Kxg2 Qc6+ f3
>Qd5 c4 Qf5 (1272.61)
>
>
>Here the continuation:
>
>[Event "Lausanne Young Masters"]
>[Site "Lausanne, Switzerland"]
>[Date "2005.09.18"]
>[Round "?"]
>[White "GM_Volokitin"]
>[Black "GM_Nakamura1-0"]
>[Result "1-0"]
>[WhiteElo "2671"]
>[BlackElo "2660"]
>[Opening "French: Fort Knox variation"]
>[ECO "C10"]
>[NIC "FR.07"]
>[Time "07:38:09"]
>[TimeControl "7200+0"]
>
>1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6
>8. Ng3 Be7 9. Re1 Bxf3 10. Qxf3 c6 11. c3 O-O 12. Bf4 Re8 13. Rad1 Qb6 14.
>Bc1 c5 15. dxc5 Nxc5 16. Bc2 Rad8 17. Rxd8 Bxd8 18. Nh5 Nxh5 19. Bxh7+ Kxh7
>20. Qxf7 Rf8 21. Qxf8 Nd3 22. Qf3 Nhf4 23. Bxf4 Nxe1 24. Qe4+ Kh8 25. b3 Qa6
>26. Qxe1 Qxa2 27. Qd1 Bb6 28. Bg3 Qb2 29. c4 Qc3 30. Kh1 e5 31. h3 Bd4 32.
>Kh2 Kg8 33. Qb1 a6 34. Bh4 Qd2 35. Qg6 Qf4+ 36. Bg3 Qf7 37. Qg5 Qe6 38. Qd8+
>Kh7 39. Qh4+ Kg8 40. Qe4 b5 41. f4 bxc4 42. fxe5 Bc5 43. bxc4 a5 44. Qa8+
>Kh7 45. Qxa5 Qxc4 46. e6 Kg6 47. Qc7 Qd4 48. h4 Qg1+ 49. Kh3 Qh1+ 50. Bh2
>Qc1 51. Qe5 Qa3+ 52. Bg3 Kh7 53. h5 Be7 54. Qf5+ Kh8 55. Qg6 Bf8 56. Kh2 Qc5
>57. h6 gxh6 58. Bh4 Qd6+ 59. Kh3 Bg7 60. Qe4 Kg8 61. Qf5 Qa3+ 62. Bg3 Qe7
>63. Bh4 Qa3+ 64. Qf3 Qc1 65. e7 Qc8+ 66. Kh2 Qe6 67. Qh5 Qe5+ 68. Qxe5 Bxe5+
>69. Bg3 Bxg3+ 70. Kxg3 Kf7 71. Kg4 Kxe7 72. Kh5 Kf6 73. Kxh6 Kf5 74. Kh5 Kf6
>75. g4 Kg7 76. Kg5 Kh7 77. Kf6 Kh6 78. g5+ Kh7 79. Kf7 Kh8 80. Kg6 {White
>wins} 1-0
>
>regards
>Andy
Pro Deo 1.1 Vulcan {9k16in} thinks Qxh5 also is a strong move, but keeps going
for Bxh7!
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6 6.Bd3 Nd7 7.O-O Ngf6
8.Ng3 Be7 9.Re1 Bxf3 10.Qxf3 c6 11.c3 O-O 12.Bf4 Re8 13.Rad1 Qb6 14.Bc1
c5 15.dxc5 Nxc5 16.Bc2 Rad8 17.Rxd8 Bxd8 18.Nh5 Nxh5
3br1k1/pp3ppp/1q2p3/2n4n/8/2P2Q2/PPB2PPP/2B1R1K1 w - -
00:00:00 1.00 -2.55 19.Bh6 Qxb2 20.Bxh7 Kxh7 21.Qxh5 Qxa2
00:00:00 1.01 -2.32 19.Bg5 Bxg5 20.Qxh5
00:00:00 1.03 -1.73 19.Be3
00:00:00 1.04 -0.56 19.Bxh7 Kxh7 20.Qxh5 Kg8
00:00:00 1.07 0.77 19.Qxh5
00:00:00 2.00 1.21 19.Qxh5 g6 20.Qh6
00:00:00 3.00 0.89 19.Qxh5 g6 20.Qh6 Bf6
00:00:00 4.00 1.00 19.Qxh5 g6 20.Qh6 Bf6 21.Rd1
00:00:00 5.00 0.93 19.Qxh5 g6 20.Qh6 Bf6 21.b4 Nd7
00:00:00 6.00 1.05 19.Qxh5 g6 20.Qh6 Qb5 21.Re5 Bf6
00:00:00 7.00 0.95 19.Qxh5 g6 20.Qh6 Bf6 21.b4 Nd7 22.Be3 Bg7
23.Bxb6
00:00:00 8.00 0.95 19.Qxh5 g6 20.Qh6 Bf6 21.b4 Nd7 22.Be3 Bg7
23.Bxb6
00:00:00 9.00 0.82 19.Qxh5 g6 20.Qf3 a5 21.Qf4 Bc7 22.Qh6 Nd7
23.Re3
00:00:01 10.00 0.66 19.Qxh5 g6 20.Qh6 Bf6 21.Rd1 Bg7 22.Qh4 a5
23.Qf4
00:00:03 11.00 0.70 19.Qxh5 g6 20.Qf3 Qa6 21.a3 f5 22.Qe3 Bb6 23.Qd4
Ne4
00:00:03 11.01 0.70 19.Bxh7
00:00:04 11.01 0.90 19.Bxh7 Kxh7 20.Qxf7 Rf8 21.Qxf8 Nd3 22.Be3
Qxb2 23.Rd1 Qe2 24.Ra1
00:00:06 12.00 1.13 19.Bxh7 Kxh7 20.Qxf7 Qc6 21.Re5 Nf6 22.Re3
Kh8 23.Rh3 Nh7 24.Qg6 Kg8 25.Rxh7 Qd7
00:00:12 13.00 1.30 19.Bxh7 Kxh7 20.Qxf7 Rf8 21.Qxf8 Nd3 22.Rd1
Nxc1 23.Rxd8 Ne2 24.Kf1 Nef4 25.Qh8 Kg6 26.Rf8
Qxb2
00:00:27 14.00 0.75 19.Bxh7 Kxh7 20.Qxf7 Rf8 21.Qxf8 Nd3 22.Qf3
Nxe1 23.Qxh5 Kg8 24.Qe2 Nxg2 25.Kxg2 Qc6 26.Qf3
Bc7 27.Qxc6 bxc6
00:01:24 15.00 0.78 19.Bxh7 Kxh7 20.Qxf7 Rf8 21.Qxf8 Nd3 22.Qf3
Nxe1 23.Qxh5 Kg8 24.Qe2 Nxg2 25.Kxg2 Qc6 26.Qf3
e5 27.Be3 Qg6 28.Qg3
00:02:36 16.00 0.78 19.Bxh7 Kxh7 20.Qxf7 Rf8 21.Qxf8 Nd3 22.Qf3
Nxe1 23.Qxh5 Kg8 24.Qe2
00:05:59 17.00 0.78 19.Bxh7 Kxh7 20.Qxf7 Rf8 21.Qxf8 Nd3 22.Qf3
Nxe1 23.Qxh5 Kg8 24.Qe2
Gandalf 6.01 does not find it within 17 plies, partly because Qxh5 gets a high
eval:
00:00:00.1 0,80 6 21764 Qxh5 g6 Qh6 f5 Re5 Bf6
00:00:00.2 0,73 7 68853 Qxh5 g6 Qh6 Bc7 Rd1 f5 Rd4
00:00:00.4 0,89 8 173953 Qxh5 g6 Qh6 f5 b4 Nd7 Be3 Qc6
00:00:00.7 0,89 9 339650 Qxh5 g6 Qh6 f5 b4 Ne4 Bxe4 fxe4 Rxe4 Qc6 Qe3
00:00:01.2 0,92 10 681570 Qxh5 g6 Qh6 f5 b4 Ne4 Be3 Bg5 Bxb6 Bxh6 Bxe4
axb6 Bxb7
00:00:03.3 0,80 11 1877104 Qxh5 g6 Qf3 Bh4 b4 Nd7 Be3 Qc7 Bd4 f5 Kh1
00:00:05.6 0,80 12 3484966 Qxh5 g6 Qf3 Bh4 b4 Nd7 Be3 Qa6 Bd4 Qxa2 Qxb7
Qxc2 Qxd7 Ra8
00:00:11.7 0,80 13 7153082 Qxh5 g6 Qf3 Bh4 b4 Nd7 Be3 Qc7 Bf4 Qc4 Bh6
Qxa2 Bd3
00:00:26.2 0,76 14 15606242 Qxh5 g6 Qf3 Bc7 b4 Nd7 Be3 Qa6 Bh6 f5 Bd3 Qb6 Be3
Ne5
00:00:56.0 0,80 15 33878469 Qxh5 g6 Qf3 Bc7 b4 Nd7 Be3 Qa6 Bh6 f5 a4 Rd8 Bd3 Ne5
Bxa6 Nxf3+ gxf3 bxa6 Rxe6
00:02:42.4 0,86 16 91026960 Qxh5 g6 Qf3 Bc7 b4 Nd7 Be3 Qa6 Bh6 f5 a4 Ne5 Qf4 Ng4
Qxc7 Nxh6
00:06:03.3 0,86 17 202118336 Qxh5 g6 Qf3 Bc7 b4 Nd7 Be3 Qa6 Bh6 f5 a4 Be5 Rd1
Nf6 b5 Qb6 c4
Fruit 2.1 14 minutes
00:00:00.0 0,71 2 667 Qxh5 g6 Qg4
00:00:00.0 0,44 3 1494 Qxh5 g6 Qe5 Be7
00:00:00.0 0,52 4 6992 Qxh5 g6 Qf3 Bc7 c4
00:00:00.0 0,29 5 22295 Qxh5 g6 Qf3 Bc7 b4 Nd7
00:00:00.1 0,67 6 59836 Qxh5 g6 Qf3 Qa5 Be3 Be7 a3
00:00:00.2 0,46 7 123056 Qxh5 g6 Qf3 Bc7 b4 Nd7 Bh6 Be5
00:00:00.3 0,66 8 294013 Qxh5 g6 Qf3 Qa6 Be3 Be7 Rd1 Qxa2 Bxc5 Bxc5 Qxb7
00:00:00.6 0,58 9 569336 Qxh5 g6 Qf3 Qa6 Be3 Be7 b4 Nd7 Bf4 e5
00:00:01.6 0,61 10 1504677 Qxh5 g6 Qf3 Qa6 a3 Bc7 Bh6 f5 b4 Qd6 g3
00:00:05.1 0,51 11 4797909 Qxh5 g6 Qf3 Qa6 a3 Bc7 Rd1 Bd6 Bh6 f5 Bf4 Bxf4 Qxf4
00:00:10.5 0,59 12 10011165 Qxh5 g6 Qf3 a5 b3 f5 Be3 Bf6 c4 Rc8 Rd1 Qc6 Qxc6
Rxc6
00:00:22.5 0,54 13 21803039 Qxh5 g6 Qf3 a5 b3 f5 Be3 Bf6 c4 Re7 Rd1 Be5 h4 Kh8
00:00:40.8 0,60 14 40055771 Qxh5 g6 Qf3 a5 b3 f5 Be3 Bf6 c4 Rc8 Rd1 Qb4 Bf4 Qa3
Bb1
00:01:37.1 0,53 15 95832807 Qxh5 g6 Qf3 a5 Rd1 Be7 a3 a4 c4 Bf8 Qg3 Qa6 Qf4 e5
Qg4 Be7
00:02:46.9 0,55 16 166731293 Qxh5 g6 Qf3 a5 Rd1 Be7 a3 a4 Qf4 Ra8 Qb4 Qxb4 cxb4
Nb3 Bf4 Rc8 Be4 b6
00:06:18.0 0,57 17 373333625 Qxh5 g6 Qf3 a5 Rd1 Be7 a3 a4 Qf4 Qa6 Qe5 Qc6 g3 f6
Qe2 Bd6 Be3 Nb3
00:14:00.5 0,90 17 843349205 Bxh7+ Kxh7 Qxf7 Rf8 Qxf8 Nd3 Qf3 Nxe1 Qxh5+ Kg8 Qe2
Nxg2 Kxg2 Bc7 Be3 Qd6 Qh5 b6 b4 Qd7 Bd4 Bf4
00:18:30.0 0,98 18 1125728736 Bxh7+ Kxh7 Qxf7 Rf8 Qxf8 Nd3 Qf3 Nxe1 Qxh5+ Kg8
Qe2 Nxg2 Kxg2 Bf6 Bf4 a6 f3 e5 Bg3 Qe6 Qe4 b5 b3
00:28:20.1 0,99 19 1740484476 Bxh7+ Kxh7 Qxf7 Rf8 Qxf8 Nd3 Qf3 Nxe1 Qxh5+ Kg8
Qe2 Nxg2 Kxg2 Bf6 Bf4 a6 f3 e5 Bg3 Qe6 Qe4 b5 a4 Qa2
00:55:20.3 1,00 20 3414208887 Bxh7+ Kxh7 Qxf7 Rf8 Qxf8 Nd3 Qf3 Nxe1 Qxh5+ Kg8
Qe2 Nxg2 Kxg2 Qc6+ Qf3 Qb5 Qe4 Qf5 f3 Bb6 Bf4 Kf8 Bd6+ Ke8 h4 Kd7 Bf4 Qxe4 fxe4
01:56:43.7 1,00 21 2958996589 Bxh7+ Kxh7 Qxf7 Rf8 Qxf8 Nd3 Qf3 Nxe1 Qxh5+ Kg8
Qe2 Nxg2 Kxg2 Qc6+ Qf3 Qb5 Qe4 Qf5 f3 Be7 Be3 b6 b3 Kf7 c4 Qg6+ Qxg6+ Kxg6 Bd4
Bd6
Athlon 3200+, 200 MB HT
Eelco
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