Author: Uri Blass
Date: 05:24:32 01/15/03
Go up one level in this thread
On January 15, 2003 at 06:36:42, scott farrell wrote:
>The pgn is below:
>
>What a great bishop sac, and king side attack !!!
>
>Too bad my blockade code kicked in, and decided KxR leads to a draw, oh well,
>maybe next week I'll get another chance !!!
>
>
>[Event "ICC 45 10"]
>[Site "Internet Chess Club"]
>[Date "2003.01.15"]
>[Round "-"]
>[White "sfarrellc"]
>[Black "diep"]
>[Result "0-1"]
>[ICCResult "White resigns"]
>[WhiteElo "2189"]
>[BlackElo "2451"]
>[Opening "Sicilian: Boleslavsky, Louma variation"]
>[ECO "B58"]
>[NIC "SI.25"]
>[Time "04:55:23"]
>[TimeControl "2700+10"]
>
>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nxc6 bxc6
>8. O-O Be7 9. f4 O-O 10. Kh1 Rb8 11. b3 Be6 12. f5 Bc8 13. Be3 a5 14. Qe1
>Re8 15. Qg3 Bb7 16. Bh6 Bf8 17. Bg5 Rc8 18. Rad1 Be7 19. Bh6 Bf8 20. Bg5 Ra8
>21. Qh3 Be7 22. Qd3 Bf8 23. h4 h6 24. Qh3 hxg5 25. hxg5 Nh7 26. g6 Ng5 27.
>Qh5 Be7 28. Bc4 d5 29. exd5 cxd5 30. Nxd5 Bf6 31. gxf7+ Nxf7 32. Nf4 Qc7 33.
>Ng6 Qxc4 34. bxc4 Red8 35. Rb1 Ba6 36. Rg1 Bxc4 37. a3 Rd2 38. Rbc1 Rc8 39.
>c3 Be2 40. Qh2 Rd3 41. Rce1 Re3 42. a4 Nh6 43. Rb1 Rexc3 44. Nxe5 Nxf5 45.
>Qf4 Ng3+ 46. Kh2 R3c5 47. Nf3 Bxf3 48. Qxf3 Rc3 49. Qd5+ Kh7 50. Qxa5 Kg6
>51. Qxc3 Rxc3 52. Rb4 Ne2 53. Re1 Be5+ 54. Kh1 Rc8 55. Rg4+ Kf5 56. Rh4 g5
>57. g4+ Kf4 58. Rf1+ Ke4 59. Rh3 Ng3+ 60. Rxg3 Bxg3 61. Kg2 Be5 62. Rf2 Rc3
>63. Re2+ Kf4 64. Rf2+ Kxg4 65. Rf8 Rc2+ 66. Kf1 Bf4 67. Rd8 Kf3 68. Rd3+ Be3
>{White resigns}
>0-1
This game proves that computers do not need to play humans in order to get stuff
like the trojan horse.
It seems that Diep blundered by hxg5
How much time does your program need to avoid it?
Yace after learning does not like hxg5 and after hxg5 can see a decisive
advantage of 0.02 pawns for white.
Deep Fritz6 without learning can avoid it in some minutes but I do not like the
fact that it suggests a4
sfarrellc - diep
r2qrbk1/1b3pp1/2pp1n1p/p3pPB1/4P2P/1PN4Q/P1P1B1P1/3R1R1K b - - 0 1
Analysis by Yace 0.99.56:
24...h6xg5 25.h4xg5 Bb7-c8 26.g5xf6 Qd8xf6 27.Be2-c4 Bf8-e7 28.Rf1-f3 Be7-d8
29.Qh3-h5 Bd8-c7 30.Kh1-g1 Kg8-f8 31.Kg1-f1
= (0.02) Depth: 1 00:00:00
24...Qd8-e7
= (0.01) Depth: 1 00:00:00
24...Bf8-e7
= (0.00) Depth: 1 00:00:00
24...d6-d5
= (-0.04) Depth: 1 00:00:00
24...d6-d5 25.Bg5-e3
= (-0.08) Depth: 2 00:00:00
24...c6-c5 25.g2-g4
= (-0.13) Depth: 2 00:00:00
24...c6-c5 25.Bg5-e3 Bb7xe4 26.Be3xc5
³ (-0.45) Depth: 2 00:00:00
24...c6-c5 25.Bg5xf6
³ (-0.52) Depth: 2 00:00:00
24...c6-c5 25.Bg5xf6 Qd8xf6
³ (-0.52) Depth: 3 00:00:00
24...c6-c5 25.Bg5xf6 Qd8xf6 26.Nc3-d5 Bb7xd5
= (-0.13) Depth: 4 00:00:00
24...d6-d5 25.Bg5-e3 Bf8-b4 26.Rf1-f2
= (-0.14) Depth: 4 00:00:00
24...d6-d5 25.Bg5-d2 Bf8-c5 26.Qh3-f3
³ (-0.33) Depth: 4 00:00:00
24...d6-d5 25.Bg5-d2 Bf8-c5 26.Qh3-g3 Bc5-d4
³ (-0.39) Depth: 5 00:00:00 23kN
24...d6-d5 25.e4xd5 h6xg5 26.d5xc6 Bb7xc6 27.Rd1xd8 Ra8xd8
= (0.01) Depth: 6 00:00:00 47kN
24...d6-d5 25.e4xd5 h6xg5 26.d5xc6 g5-g4 27.Be2xg4
= (0.02) Depth: 6 00:00:00 47kN
24...c6-c5 25.Bg5xf6 Qd8xf6 26.Nc3-d5 Bb7xd5 27.Be2-f3
= (0.01) Depth: 6 00:00:00 47kN
24...c6-c5 25.Bg5xf6 Qd8xf6 26.Nc3-d5 Bb7xd5 27.Rd1xd5 Ra8-b8
= (-0.21) Depth: 6 00:00:00 47kN
24...Qd8-e7 25.Bg5-e3 d6-d5 26.Nc3xd5 c6xd5 27.e4xd5
= (-0.22) Depth: 6 00:00:00 47kN
24...Qd8-e7 25.Bg5-d2 d6-d5 26.Qh3-f3 Qe7-a3 27.Qf3-g3
³ (-0.30) Depth: 6 00:00:00 47kN
24...Qd8-e7 25.Be2-c4 Ra8-d8 26.Bg5-e3 d6-d5 27.Bc4-d3 d5-d4
³ (-0.35) Depth: 7 00:00:01 261kN
24...Qd8-e7 25.Bg5-d2 d6-d5 26.Be2-d3 Ra8-d8 27.Rf1-e1 d5-d4 28.Nc3-e2
³ (-0.39) Depth: 8 00:00:02 663kN
24...Qd8-e7 25.Bg5-d2 d6-d5 26.Be2-d3 Ra8-b8 27.a2-a4 d5-d4 28.Nc3-e2 Qe7-c5
³ (-0.40) Depth: 9 00:00:05 1252kN
24...Qd8-e7 25.Be2-c4 Re8-d8 26.Rf1-f3 Ra8-b8 27.Bg5-d2 d6-d5 28.Bc4-d3 Qe7-a3
29.Bd2-c1
³ (-0.44) Depth: 10 00:00:22 6498kN
24...Qd8-e7 25.Be2-c4 Re8-d8 26.Bg5xf6 Qe7xf6 27.Qh3-g4 Bf8-e7 28.g2-g3
³ (-0.43) Depth: 11 00:00:54 16086kN
24...Qd8-e7 25.Be2-c4 Re8-d8 26.Rf1-f2 Rd8-d7 27.Bg5xf6 Qe7xf6 28.Rf2-d2 Bf8-e7
29.g2-g3 Ra8-d8 30.Qh3-g4 Rd8-b8
³ (-0.39) Depth: 12 00:02:28 42872kN
(Blass, Tel-aviv 15.01.2003)
sfarrellc - diep
r2qrbk1/1b3pp1/2pp1n2/p3pPp1/4P2P/1PN4Q/P1P1B1P1/3R1R1K w - - 0 1
Analysis by Yace 0.99.56:
25.h4xg5 Bb7-c8 26.g5xf6 Qd8xf6 27.Be2-c4 Bf8-e7 28.Rf1-f3 Be7-d8 29.Qh3-h5
Bd8-c7 30.Kh1-g1 Kg8-f8 31.Kg1-f1
= (0.02) Depth: 1 00:00:00
sfarrellc - diep
r2qrbk1/1b3pp1/2pp1n1p/p3pPB1/4P2P/1PN4Q/P1P1B1P1/3R1R1K b - - 0 1
Analysis by Deep Fritz:
24...h6xg5!
µ (-1.34) Depth: 1/3 00:00:00
24...h6xg5! 25.h4xg5
-+ (-2.28) Depth: 1/3 00:00:00
24...h6xg5 25.h4xg5
-+ (-2.28) Depth: 2/4 00:00:00
24...h6xg5 25.h4xg5 Nf6-d7
-+ (-2.03) Depth: 3/8 00:00:00
24...h6xg5 25.h4xg5 Nf6-d7 26.Qh3-h5
-+ (-1.97) Depth: 4/8 00:00:00
24...h6xg5 25.h4xg5 Nf6-d7 26.g5-g6 f7xg6 27.Be2-c4+ d6-d5
-+ (-1.72) Depth: 5/16 00:00:00 3kN
24...h6xg5 25.h4xg5 Nf6-d7 26.g5-g6 f7xg6 27.Be2-c4+ d6-d5 28.e4xd5
-+ (-1.72) Depth: 6/15 00:00:00 7kN
24...h6xg5 25.h4xg5 Nf6-d7 26.g5-g6 f7xg6 27.Be2-c4+ d6-d5 28.e4xd5 c6xd5
29.Nc3xd5 g6xf5
-+ (-1.72) Depth: 7/19 00:00:00 18kN
24...h6xg5 25.h4xg5 Nf6-d7 26.g5-g6 Nd7-f6 27.g6xf7+ Kg8xf7 28.Be2-h5+ Nf6xh5
29.Qh3xh5+ Kf7-e7 30.Qh5-g5+
-+ (-1.56) Depth: 8/21 00:00:00 38kN
24...h6xg5 25.h4xg5 Nf6-h7 26.g5-g6 Nh7-g5 27.g6xf7+ Ng5xf7 28.Be2-c4 Qd8-f6
29.a2-a4
-+ (-1.66) Depth: 9/28 00:00:00 133kN
24...h6xg5 25.h4xg5 Nf6-h7 26.g5-g6 Nh7-g5 27.g6xf7+ Ng5xf7 28.Be2-c4 Qd8-f6
29.Bc4xf7+ Qf6xf7 30.a2-a4
-+ (-1.66) Depth: 10/27 00:00:00 252kN
24...h6xg5 25.h4xg5 Nf6-h7 26.g5-g6 Nh7-g5 27.g6xf7+ Ng5xf7 28.Be2-c4 Qd8-f6
29.a2-a4 Bf8-e7 30.Kh1-g1
-+ (-1.72) Depth: 11/28 00:00:01 745kN
24...h6xg5 25.h4xg5 Nf6-h7 26.g5-g6 Nh7-g5 27.g6xf7+ Ng5xf7 28.Be2-c4 Qd8-f6
29.a2-a4 Bf8-e7 30.Bc4xf7+
-+ (-1.72) Depth: 12/28 00:00:02 1573kN
24...h6xg5 25.h4xg5 Nf6-h7 26.g5-g6 Nh7-g5 27.Qh3-h5 f7xg6 28.Be2-c4+ d6-d5
29.f5xg6 Bf8-d6 30.e4xd5
-+ (-1.47) Depth: 13/34 00:00:07 4702kN
24...h6xg5--
µ (-1.16) Depth: 14/34 00:00:12 7748kN
24...h6xg5--
µ (-1.16) Depth: 14/39 00:00:20 13097kN
24...h6xg5--
µ (-0.84) Depth: 15/33 00:00:32 21093kN
24...h6xg5-- 25.h4xg5 Nf6-h7 26.g5-g6 Nh7-g5 27.Qh3-h5 Bb7-c8 28.Be2-c4 Ra8-a7
29.Bc4xf7+ Ra7xf7 30.g6xf7+
= (-0.09) Depth: 15/41 00:01:04 42038kN
24...a5-a4!
= (-0.13) Depth: 15/41 00:03:12 128968kN
(Blass, Tel-aviv 15.01.2003)
Uri
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