Author: Uri Blass
Date: 09:23:07 12/02/05
Go up one level in this thread
On December 02, 2005 at 08:14:30, Richard Pijl wrote:
>On December 01, 2005 at 22:00:45, Jon Dart wrote:
>
>>A recent offline test game:
>>
>>[Event "?"]
>>[Site "-"]
>>[Date "2005.11.29"]
>>[Round "?"]
>>[White "The Baron 1.7.0"]
>>[Black "Arasan 9.0"]
>>[Result "1-0"]
>>[ECO "B86"]
>>[TimeControl "900+10"]
>>
>>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Be3
>>O-O 8. Qe2 Nc6 9. O-O-O a6 10. Bb3 Qc7 11. Rhg1 Nd7 12. g4 Nc5
>>13. Nf5 b5 14. Bd5 Bb7 15. g5 Rfc8 16. Qh5 b4 17. Bxe6 Nxe6 18. Nd5
>>Qd7 19. f4 a5 20. Nf6+ Bxf6 21. gxf6 g6 22. Nxd6 Ncd4 23. Nxc8 Rxc8
>>24. Bxd4 Bxe4 25. Rd2 Qa4 26. b3 Qxa2 27. Bb2 Nd4 28. Qh3 Bf5 29. Qh6
>>Rxc2+ 30. Rxc2 Nxb3+ 31. Kd1 Qb1+ 32. Ke2 Qxc2+ 33. Ke3 Qc5+ 34. Ke2
>>Qc4+ 35. Ke1 Qe4+ 36. Kf2 Qc2+ 37. Kg3 Qd3+ 38. Kh4 Qh3+ 39. Kg5
>>Qxh6+ 40. Kxh6 Nc5 41. Rc1 Nd3 42. Ra1 Nf2 43. h3 Bxh3 44. Rxa5 Bg2
>>45. Rb5 Ng4+ 46. Kg5 h5 47. f5 Be4 48. fxg6 Bxg6 49. Rxb4 Ne3 50. Bd4
>>Nf5 51. Bc5 Kh7 52. Rb3 Nh6 53. Rf3 Ng4 54. Bf8 Be4 55. Rc3 Nf2
>>56. Bg7 Bd3 57. Kxh5 Bg6+ 58. Kh4 Bd3 59. Rc1 Be4 60. Rc5 Kg6
>>61. Rg5+ Kh7 62. Re5 Bc6 63. Kg3 Nd3 64. Rg5 Be4 65. Bf8 Bg6 66. Rg4
>>Bf5 67. Rg7+ Kh8 68. Kf3 Be6 69. Rg5 Kh7 1-0 {Black resigns}
>>
>>Arasan lost this one but had several chances to win. A few notes:
>>
>>16. Qh5: Crafty has Rg3 as a book move. It does not like Qh5,
>>score is -1.33 after 8 minutes.
>
>The Baron has Qh5, Rg3 and Bxc6 in its book. When left to play on its own, it
>would probably play Bxc6, with a drawish score.
>
>>16 .. b4:
>>[D] r1r3k1/1bq1bppp/p1npp3/1pnB1NPQ/4P3/2N1B3/PPP2P1P/2KR2R1 b - -
>>b4 looks plausible but Crafty considers this a mistake, prefers g6 after a 8
>>minute search:
>> ({13:+2.32} 16. ... b4 17. Bxc5 g6 18. Qh6 exf5 19. Bxf7+ Kxf7
>>20. Nd5 Qd8 21. Qxh7+ Kf8 22. Nf4 Bxg5 23. Bxd6+ Qxd6 24. Rxd6 Bxf4+ $18)
>> ({13:-0.42} 16. ... g6 17. Nh6+ Kg7 18. Qh3 b4 19. Bxc5 dxc5
>>20. Bxc6 Bxc6 21. Ne2 Bb5 22. c4 Bxc4 23. Qf3 Bxg5+ 24. Rxg5 $15)
>> ({13:+0.58} 16. ... Ne5 17. Bxc5 dxc5 18. Bxb7 Qxb7 19. Nxe7+
>>Qxe7 20. Rg3 Ng6 21. Rh3 Nf8 22. Rdd3 Rd8 23. Kb1 Rxd3 24. Rxd3 Rd8 $14)
>> ({13:+0.98} 16. ... Nb4 17. Nxe7+ Qxe7 18. Bxb7 Qxb7 19. a3
>>Nxc2 20. Kxc2 Na4 21. Rd4 Qc6 22. Bd2 Qc5 23. Rd3 Qxf2 24. Rd1 $16)
I wonder what is the reason that you always use Crafty when Toga1.1 is clearly
better free alternative.
>>
>>but I have not done a deep analysis on this.
>>
>>17. Bxe6:
>>This is the position:
>>[D] r1r3k1/1bq1bppp/p1npp3/2nB1NPQ/1p2P3/2N1B3/PPP2P1P/2KR2R1 w - -
>The Baron plays Bxe6 from the book (last bookmove). When thinking on its own,
>the Baron considers a lot of moves, but seems to settle for g6 or Nh6, at least
>under normal playing conditions. g6 gets a nice plus score for white after some
>time.
>I've forced Bxc5, and the Baron did find a similar plus for that move as well.
>I guess in these type of positions the score returned by a program depend
>heavily on kingsafety and material value tuning.
I wonder what is the baron line after Bxc5
I think that all the top programs like white with big score
Shredder9 after hour of analysis from the position after Bxc5 after finishing
depth 18
The Baron 1.7.0 - Arasan 9.0, - 2005
[D]r1r3k1/1bq1bppp/p1npp3/2BB1NPQ/1p2P3/2N5/PPP2P1P/2KR2R1 b - - 0 1
Analysis by Shredder 9 UCI:
17...dxc5
= (0.14) Depth: 1/5 00:00:01
17...dxc5
= (0.14) Depth: 1/5 00:00:01
17...dxc5
² (0.44) Depth: 2/9 00:00:01
17...dxc5 18.g6
² (0.44) Depth: 2/9 00:00:01
17...bxc3
² (0.43) Depth: 2/12 00:00:01
17...bxc3 18.Nxe7+ Qxe7
² (0.27) Depth: 2/12 00:00:01
17...bxc3 18.Nxe7+
= (0.02) Depth: 3/17 00:00:01
17...bxc3 18.Nh6+ gxh6 19.gxh6+ Kf8
= (-0.09) Depth: 3/17 00:00:01
17...bxc3 18.Nh6+
³ (-0.34) Depth: 4/20 00:00:01
17...bxc3 18.g6 cxb2+ 19.Kb1 hxg6
µ (-0.79) Depth: 4/20 00:00:01
17...bxc3 18.g6
µ (-1.04) Depth: 5/26 00:00:01
17...bxc3 18.g6
-+ (-1.54) Depth: 5/26 00:00:01
17...bxc3 18.Bxc6 exf5 19.g6 cxb2+ 20.Kb1 Qxc6 21.gxh7+ Kh8 22.Qxf7
-+ (-1.65) Depth: 5/26 00:00:02
17...bxc3 18.Bxc6
-+ (-1.90) Depth: 6/26 00:00:02 32kN
17...bxc3 18.Bxc6
-+ (-2.40) Depth: 6/26 00:00:02 48kN
17...bxc3 18.Nh6+ gxh6 19.gxh6+ Kh8 20.Bxc6 cxb2+ 21.Kxb2 Qxc6
-+ (-2.82) Depth: 6/29 00:00:02 93kN
17...bxc3 18.Nh6+
-+ (-3.07) Depth: 7/32 00:00:02 140kN
17...bxc3 18.Bxe6
-+ (-3.07) Depth: 7/32 00:00:02 169kN
17...bxc3 18.Bxe6
-+ (-2.82) Depth: 8/32 00:00:02 231kN
17...bxc3 18.Bxe6
-+ (-2.32) Depth: 8/32 00:00:02 275kN
17...bxc3 18.g6 cxb2+ 19.Kb1 hxg6 20.Rxg6 exf5 21.Bxf7+ Kf8 22.Rgxd6
-+ (-1.50) Depth: 8/32 00:00:02 425kN
17...bxc3 18.g6
µ (-1.25) Depth: 9/32 00:00:03 530kN
17...bxc3 18.g6
µ (-0.75) Depth: 9/32 00:00:04 593kN
17...bxc3 18.g6 cxb2+ 19.Kb1 fxg6 20.Bxe6+ Kh8 21.Rxg6 Bf6 22.Nxd6 Ne5 23.Bxc8
Rxc8
+- (3.17) Depth: 9/40 00:00:05 1551kN
17...dxc5
+- (3.16) Depth: 9/40 00:00:05 1624kN
17...dxc5
+- (2.81) Depth: 9/40 00:00:05 1663kN
17...dxc5
+- (2.81) Depth: 9/40 00:00:06 1972kN
17...g6
+- (2.80) Depth: 9/40 00:00:06 2100kN
17...g6
+- (2.45) Depth: 9/40 00:00:06 2147kN
17...g6 18.Qh6 exf5 19.Bxf7+ Kh8 20.Nd5 Bxg5+ 21.Qxg5
+- (2.44) Depth: 9/40 00:00:08 2805kN
17...g6 18.Qh6
+- (2.69) Depth: 10/40 00:00:09 3167kN
17...g6 18.Qh6 exf5 19.Bxf7+ Kh8 20.Nd5 Bxg5+ 21.Qxg5 Qxf7 22.Bxd6 b3 23.axb3
fxe4 24.Nf6
+- (2.72) Depth: 10/40 00:00:09 3470kN
17...g6 18.Qh6
+- (2.97) Depth: 11/40 00:00:11 4374kN
17...g6 18.Qh6 exf5 19.Bxf7+ Kh8 20.Nd5 Bxg5+ 21.Qxg5 Qxf7 22.Bxd6 b3 23.axb3
Rd8 24.Qf6+ Qxf6 25.Nxf6
+- (3.20) Depth: 11/40 00:00:12 4847kN
17...bxc3
+- (3.19) Depth: 11/40 00:00:13 5382kN
17...bxc3 18.g6 fxg6
+- (3.19) Depth: 11/40 00:00:14 5759kN
17...bxc3 18.g6
+- (3.44) Depth: 12/40 00:00:26 10646kN
17...bxc3 18.g6
+- (3.94) Depth: 12/40 00:00:29 11661kN
17...bxc3 18.g6 fxg6 19.Rxg6 Bf6 20.Rxf6 Nd4 21.Bxd4 cxb2+ 22.Kxb2 Bxd5 23.Nh6+
Kh8 24.exd5 e5 25.Bxe5 Rab8+ 26.Ka1
+- (4.11) Depth: 12/44 00:00:35 14312kN
17...g6
+- (4.10) Depth: 12/44 00:00:36 14685kN
17...g6
+- (3.75) Depth: 12/44 00:00:36 14949kN
17...g6 18.Qh6 Bf8 19.Bxd6 exf5 20.Qxf8+ Rxf8 21.Bxc7 bxc3 22.exf5 Rfc8 23.Bd6
Na5 24.bxc3 Bxd5 25.Rxd5
+- (2.87) Depth: 12/44 00:00:38 16244kN
17...g6 18.Qh6 Bf8 19.Bxd6 exf5 20.Qxf8+ Rxf8 21.Bxc7 bxc3 22.exf5 cxb2+ 23.Kxb2
Rfc8 24.Bf4 Na5 25.fxg6 hxg6 26.Bxb7 Nxb7 27.Rge1
+- (2.86) Depth: 13/44 00:00:48 20404kN
17...g6 18.Qh6
+- (3.11) Depth: 14/44 00:01:05 27734kN
17...g6 18.Qh6 exf5 19.Bxf7+ Kh8 20.Nd5 Bxg5+ 21.Qxg5 Qxf7 22.Bxd6 Rg8 23.exf5
gxf5 24.Qh6 a5 25.Nf6 Rxg1 26.Rxg1 Rd8
+- (3.43) Depth: 14/44 00:01:14 32373kN
17...Ne5
+- (3.42) Depth: 14/44 00:02:08 55961kN
17...Ne5
+- (3.07) Depth: 14/44 00:02:16 60231kN
17...Ne5 18.Nxe7+ Qxe7 19.Bxd6 Qxd6 20.Bxb7 Qb6 21.Bxc8 bxc3 22.b3 Rxc8 23.g6
Nxg6 24.f3 Qe3+ 25.Kb1 Rb8 26.h3
+- (2.32) Depth: 14/44 00:02:34 69344kN
17...Ne5 18.Nxe7+ Qxe7 19.Bxd6 Qxd6 20.Bxb7 Qb6 21.Bxc8 bxc3 22.b3 Rxc8 23.g6
Nxg6 24.Qf3 e5 25.Qf5 Rd8 26.Rxd8+
+- (2.17) Depth: 15/44 00:02:59 81797kN
17...Ne5 18.Nxe7+
+- (2.42) Depth: 16/46 00:04:45 123517kN
17...Ne5 18.Nxe7+
+- (2.92) Depth: 16/46 00:05:07 130566kN
17...Ne5 18.Bxe6 fxe6 19.Nxe7+ Qxe7 20.Bxd6 Qe8
+- (4.07) Depth: 16/49 00:07:45 197807kN
17...Nd8
+- (4.06) Depth: 16/49 00:11:54 306959kN
17...Nd8
+- (3.71) Depth: 16/49 00:12:54 337298kN
17...Nd8 18.Bb6 Qd7 19.Bxb7 Nxb7
+- (2.99) Depth: 16/50 00:15:07 401198kN
17...Nd8 18.Bb6
+- (3.24) Depth: 17/50 00:16:38 439985kN
17...Nd8 18.Nxe7+ Qxe7 19.Bxb4 a5 20.Bxb7 axb4 21.Bxa8 bxc3 22.g6 fxg6 23.Qa5
cxb2+ 24.Kb1 Nf7 25.f4 g5 26.fxg5
+- (3.72) Depth: 17/50 00:20:40 552778kN
17...Nd8 18.Nxe7+
+- (3.97) Depth: 18/53 00:30:58 815119kN
17...Nd8 18.Nxe7+
+- (4.47) Depth: 18/53 00:34:43 919276kN
17...Nd8 18.Bxb4 exd5 19.Nxe7+ Qxe7 20.exd5 Qd7 21.Rde1 Nc6 22.dxc6 Rxc6 23.Ne4
+- (5.39) Depth: 18/53 00:41:12 1090728kN
17...Ne5
+- (5.38) Depth: 18/53 00:43:47 1166127kN
17...Ne5
+- (5.03) Depth: 18/53 00:45:12 1210827kN
17...Ne5 18.Bxe6 fxe6 19.Nxe7+ Qxe7 20.Bxd6 Qe8 21.Qxe8+ Rxe8 22.Bxb4 Rad8 23.f4
+- (4.16) Depth: 18/54 00:51:31 1381854kN
(, 02.12.2005)
Toga likes 17...g6 after some minutes but 17...g6 is easily refuted
some possible lines
[Event "-"]
[Site "-"]
[Date "2005.11.29"]
[Round "?"]
[White "The Baron 1.7.0"]
[Black "Arasan 9.0"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "138"]
[EventDate "2005.??.??"]
[TimeControl "900+10"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Be3 O-O 8.
Qe2 Nc6 9. O-O-O a6 10. Bb3 Qc7 11. Rhg1 Nd7 12. g4 Nc5 13. Nf5 b5 14. Bd5 Bb7
15. g5 Rfc8 16. Qh5 b4 17. Bxe6 (17. Bxc5 g6 18. Qh6 exf5 (18... Bf8 19. Bxd6)
19. Bxf7+ Kh8 20. Nd5 Bxg5+ 21. Rxg5 Qxf7 22. Nf4) 17... Nxe6 18. Nd5 Qd7 19.
f4 a5 20. Nf6+ Bxf6 21. gxf6 g6 22. Nxd6 Ncd4 23. Nxc8 Rxc8 24. Bxd4 Bxe4 25.
Rd2 Qa4 26. b3 Qxa2 27. Bb2 Nd4 28. Qh3 Bf5 29. Qh6 Rxc2+ 30. Rxc2 Nxb3+ 31.
Kd1 Qb1+ 32. Ke2 Qxc2+ 33. Ke3 Qc5+ 34. Ke2 Qc4+ 35. Ke1 Qe4+ 36. Kf2 Qc2+ 37.
Kg3 Qd3+ 38. Kh4 Qh3+ 39. Kg5 Qxh6+ 40. Kxh6 Nc5 41. Rc1 Nd3 42. Ra1 Nf2 43. h3
Bxh3 44. Rxa5 Bg2 45. Rb5 Ng4+ 46. Kg5 h5 47. f5 Be4 48. fxg6 Bxg6 49. Rxb4 Ne3
50. Bd4 Nf5 51. Bc5 Kh7 52. Rb3 Nh6 53. Rf3 Ng4 54. Bf8 Be4 55. Rc3 Nf2 56. Bg7
Bd3 57. Kxh5 Bg6+ 58. Kh4 Bd3 59. Rc1 Be4 60. Rc5 Kg6 61. Rg5+ Kh7 62. Re5 Bc6
63. Kg3 Nd3 64. Rg5 Be4 65. Bf8 Bg6 66. Rg4 Bf5 67. Rg7+ Kh8 68. Kf3 Be6 69.
Rg5 Kh7 1-0
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