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Subject: Re: Crafty 19.15 CB Native Engine is blind to see a easy win.

Author: Richard Pijl

Date: 05:17:36 07/20/04

Go up one level in this thread


On July 20, 2004 at 07:50:00, Eduard Nemeth wrote:

>Crafty 19.15 CB Native Engine is blind to see a easy win.
>
>After 6 minutes Crafty 19.15 CB Native woult ply against me on my P3 600,
>9...Ne8.
>
>And after 10. Qh5 f5?? see here:
>
>[D]rnbqnrk1/ppp1bpp1/4p3/6PQ/2pP4/2N1P2N/PP3PP1/2R1KB1R b K - 0 1

The Baron sees the trouble immediately. Here negative scores are bad for black
:)
 ply       time        nodes   score  pv
  4(11)-   0:00.06     12683   -2.45  Ne8-d6 (Nh3-f4) (f7-f6) (Bf1-e2)
  4(12)&   0:00.06     14845   -2.92  Ne8-d6 Nh3-f4 f7-f6 Nf4-g6
  4(12)>   0:00.08     16009   -2.86  g7-g6
  4(12)&   0:00.08     16196   -2.82  g7-g6 Qh5-h6 e6-e5 Bf1xc4
  4(12)>   0:00.09     20909   -2.80  e6-e5
  4(12).   0:00.11     22278   -2.82  e6-e5 (Nh3-f4) (f7-f5)
  5(10)>   0:00.13     28201   -3.16  g7-g6
  5(10)+   0:00.16     33140   -2.47  g7-g6 (Qh5-h6) (Ne8-g7) (Ke1-d1) (Ng7-h5)
  5(10)&   0:00.16     34203   -2.24  g7-g6 Qh5-h6 Ne8-g7 Bf1-e2 Ng7-f5
  5(12).   0:00.20     46560   -2.24  g7-g6 Qh5-h6 Ne8-g7 Bf1-e2 Ng7-f5
  6(13)-   0:00.69    144350   -2.59  g7-g6 (Qh5-h6) (Ne8-g7) (Nh3-f4) (f7-f6)
  6(13)&   0:00.80    170162   -3.01  g7-g6 Qh5-h6 Nb8-c6 Bf1xc4 e6-e5 d4-d5
  6(13).   0:01.11    231716   -3.01  g7-g6 Qh5-h6 Nb8-c6 Bf1xc4 e6-e5 d4-d5
  7(14)-   0:01.98    410214   -3.36  g7-g6 (Qh5-h6) (Nb8-c6) (Nh3-f4) (f7-f6)
(Qh6-h8)
                                      (Kg8-f7) (Rh1-h7) (Ne8-g7) (Qh8xg7)
(Kf7-e8) (Qg7xg6)
                                      (Ke8-d7) (g5xf6)
  7(14)&   0:02.25    473005   -3.96  g7-g6 Qh5-h6 Ne8-g7 Nh3-f4 f7-f5 g5xf6
                                      Rf8xf6 Bf1xc4
  7(14)>   0:02.86    610480   -3.95  f7-f5
  7(14)&   0:03.05    653794   -3.85  f7-f5 Bf1xc4 Qd8-d6 Ke1-f1 Qd6-b6 Nc3-a4
                                      Qb6-c6
  7(14).   0:03.23    694589   -3.85  f7-f5 Bf1xc4 Qd8-d6 Ke1-f1 Qd6-b6 Nc3-a4
                                      Qb6-c6
  8(17)+   0:07.30   1667570   -3.50  f7-f5 (Bf1xc4) (Ne8-f6) (g5xf6) (Rf8xf6)
(e3-e4)
                                      (Qd8xd4) (f2-f3) (Qd4xc4)
  8(17)&   0:09.19   2126089   -3.40  f7-f5 Bf1xc4 Ne8-f6 g5xf6 Rf8xf6 Nh3-g5
                                      Rf6-h6 Qh5-f7 Kg8-h8 Rh1xh6 g7xh6
  8(17).   0:12.27   2769780   -3.40  f7-f5 Bf1xc4 Ne8-f6 g5xf6 Rf8xf6 Nh3-g5
                                      Rf6-h6 Qh5-f7 Kg8-h8 Rh1xh6 g7xh6
  9(19)-   0:26.23   5897142   -3.75  f7-f5 (g5-g6) (Ne8-f6) (Qh5-h4) (Be7-b4)
(Nh3-f4)
                                      (Bb4xc3) (Rc1xc3) (c7-c5) (Bf1xc4)
(Nf6-h5) (Qh4xh5)
  9(19)>   0:27.45   6194766   -4.64  g7-g6
  9(19)-   0:30.03   6757788   -4.65  g7-g6 (Qh5-h6) (Ne8-g7) (Nh3-f4)
(Ng7-h5)(Nf4xh5)
                                      (Bc8-d7) (Qh6-h7) (Kg8xh7) (Nh5-f6)
(Kh7-g7) (Rh1-h7)
  9(19)&   0:30.77   6940164   -5.37  g7-g6 Qh5-h6 Ne8-g7 Nh3-f4 f7-f6 Bf1xc4
                                      Qd8-d6 Nc3-d5 f6xg5 Nd5xe7 Qd6xe7
  9(19)>   0:32.06   7237972   -5.28  f7-f5
  9(19).   0:35.16   7990447   -5.37  f7-f5 (g5-g6) (Ne8-f6) (Qh5-h4) (Rf8-f7)
(Nh3-g5)
                                      (Kg8-f8) (Qh4-h8) (Nf6-g8) (g6xf7) (f5-f4)
(f7xg8Q)
 10(20)-   0:42.53   9673477   -5.72  f7-f5 (g5-g6) (Ne8-f6) (Qh5-h4) (Rf8-f7)
(Nh3-g5)
                                      (Rf7-f8) (Qh4-h8)
 10(20)-   0:55.22  12821651   -6.62  f7-f5 (g5-g6) (Ne8-f6) (Qh5-h4) (Rf8-f7)
(Qh4-h8)
                                      (Kg8xh8) (Nh3-g5) (Nf6-h5) (Rh1xh5)
(Kh8-g8)
 10(20)&   1:01.19  14406846   -9.95  f7-f5 g5-g6 Ne8-f6 Qh5-h4 Qd8xd4 e3xd4
                                      Rf8-d8 Nh3-g5 Nf6-h5 Qh4xh5 Kg8-f8
>
>Analysis by Crafty 19.15:

Crafty may have more difficulty spotting the trouble as the anti trojan code
only works before the capture on g5. I don't expect this to be a specific
problem of the CB version.

>10...g6
>  -+  (-3.35)   Tiefe: 1/8   00:00:00
>10...Sd6
>  -+  (-3.95)   Tiefe: 1/8   00:00:00
>10...Sd6 11.Kd1
>  -+  (-3.10)   Tiefe: 2/8   00:00:00
>10...g6 11.Df3
>  -+  (-3.31)   Tiefe: 2/8   00:00:00
>10...g6 11.Df3 Sd6
>  -+  (-3.60)   Tiefe: 3/8   00:00:00
>10...g6 11.Dh6 Sd6 12.Kd1
>  -+  (-2.88)   Tiefe: 4/11   00:00:00
>10...Sc6 11.Lxc4 Sd6 12.Ld3
>  -+  (-3.06)   Tiefe: 4/11   00:00:00
>10...Sd6 11.Kd1 Sc6 12.Le2
>  -+  (-3.23)   Tiefe: 4/11   00:00:00
>10...Sd6 11.Kd1 Sc6 12.g6 Lh4 13.gxf7+ Txf7
>  -+  (-3.26)   Tiefe: 5/16   00:00:00
>10...Sd6 11.Sf4 f6 12.Dh8+ Kf7 13.Dh5+ Kg8
>  =  (0.00)   Tiefe: 6/16   00:00:00  106kN
>10...Lb4 11.Sf4 f6 12.Dh8+ Kf7 13.Dh5+ Ke7 14.Sg6+ Kd7 15.Sxf8+ Lxf8 16.Lxc4
>fxg5
>  µ  (-1.23)   Tiefe: 6/16   00:00:01  178kN
>10...g6 11.Dh6 Sc6 12.Lxc4 Sd6 13.Ld3
>  -+  (-2.78)   Tiefe: 6/16   00:00:01  227kN
>10...g6 11.Dh6 Sd7 12.Lxc4 Sd6 13.Ld3 Sf5
>  -+  (-3.02)   Tiefe: 7/23   00:00:02  345kN
>10...g6 11.Dh6 Sf6 12.gxf6 Lxf6 13.Sf4 Te8 14.Lxc4
>  ±  (1.23)   Tiefe: 8/23   00:00:05  1019kN
>10...f5 11.Sf4 Lxg5 12.Dh8+ Kf7 13.Dh5+ Kg8
>  =  (0.00)   Tiefe: 8/23   00:00:22  5141kN
>10...f5 11.Sf4 Lxg5 12.Dh8+ Kf7 13.Dh5+ Kg8
>  =  (0.00)   Tiefe: 9/29   00:00:22  5445kN
>10...f5 11.Sf4 Lxg5 12.Dh8+ Kf7 13.Dh5+ Kg8
>  =  (0.00)   Tiefe: 10/29   00:00:28  6839kN
>10...f5 11.Sf4 Lxg5 12.Dh8+ Kf7 13.Dh5+ Kg8
>  =  (0.00)   Tiefe: 11/34   00:00:47  12959kN
>
>(Nemeth, Privat 20.07.2004)
>
>I break here after 15 Minutes the analysis!! I see no next Variantions.
>
>_Is this a BUG in the CB Native by Crafty 19.15  Engine?_
>
>After 10...f5, black is of course lost:
>
>
>[D]rnbqnrk1/ppp1b1p1/4p3/5pPQ/2pP4/2N1P2N/PP3PP1/2R1KB1R w K f6 0 1
>
>Analysis by Crafty 19.15:
>
>11.Sf4 Lxg5 12.Lxc4 Lxf4 13.exf4 Dxd4
>  -+  (-4.12)   Tiefe: 1/7   00:00:00
>11.Lxc4
>  -+  (-2.39)   Tiefe: 1/7   00:00:00
>11.Lxc4 Sc6
>  -+  (-2.69)   Tiefe: 2/7   00:00:00
>11.Lxc4 Sd6 12.Ld3
>  -+  (-2.80)   Tiefe: 3/9   00:00:00
>11.Lxc4 Sd6 12.Sb5 Sc6
>  -+  (-2.99)   Tiefe: 4/11   00:00:00
>11.Sf4
>  -+  (-2.40)   Tiefe: 4/11   00:00:00
>11.Sf4
>  µ  (-1.40)   Tiefe: 4/11   00:00:00
>11.Sf4 Lb4 12.Dh7+ Kf7 13.Dh5+ Ke7 14.Sg6+ Kd7 15.Sxf8+ Lxf8 16.Lxc4
>  µ  (-1.17)   Tiefe: 4/11   00:00:00
>11.Sf4 Lb4 12.Dh7+ Kf7 13.Dh5+ Ke7 14.Sg6+ Kd7 15.Sxf8+ Lxf8 16.Lxc4
>  µ  (-1.17)   Tiefe: 5/14   00:00:00
>11.Sf4 Ld6 12.Dh7+ Kf7 13.Dh5+ Ke7 14.Sg6+ Kd7 15.Sxf8+ Lxf8
>  µ  (-1.17)   Tiefe: 6/17   00:00:00  67kN
>11.Sf4 Ld6 12.Dh7+ Kf7 13.Dh5+ Ke7 14.Sg6+ Kd7 15.Sxf8+ Lxf8
>  µ  (-0.77)   Tiefe: 7/20   00:00:01  173kN
>11.Sf4 Lxg5 12.Dh7+ Kf7 13.Dg6+ Kg8 14.Dh7+
>  =  (0.00)   Tiefe: 7/20   00:00:01  263kN
>11.Sf4 Lxg5 12.Dh7+ Kf7 13.Dg6+ Kg8 14.Dh7+
>  =  (0.00)   Tiefe: 8/21   00:00:03  463kN
>11.Sf4 Lxg5 12.Dh7+ Kf7 13.Dg6+ Kg8 14.Dh7+
>  =  (0.00)   Tiefe: 9/23   00:00:06  1184kN
>11.Sf4 Lxg5 12.Dh7+ Kf7 13.Dg6+ Kg8 14.Dh7+
>  =  (0.00)   Tiefe: 10/27   00:00:13  3156kN
>11.Sf4 Lxg5 12.Dh7+ Kf7 13.Dg6+ Kg8 14.Dh7+
>  =  (0.00)   Tiefe: 11/29   00:00:36  10289kN
>11.g6
>  ²  (0.40)   Tiefe: 11/29   00:01:30  26583kN
>11.g6
>  ±  (1.40)   Tiefe: 11/29   00:01:50  31964kN
>11.g6
>  +-  (3.40)   Tiefe: 11/29   00:02:33  44422kN
>
>(Nemeth, Privat 20.07.2004)
>
>
>Ok, a last analysis on my P3 600 after 11.g6:
>
>
>[D]rnbqnrk1/ppp1b1p1/4p1P1/5p1Q/2pP4/2N1P2N/PP3PP1/2R1KB1R b K - 0 1
>
>Analysis by Crafty 19.15:
>
>11...Sd6
>  -+  (-3.61)   Tiefe: 1/6   00:00:01
>11...Sd6 12.Dh7#
>  +-  (#1)   Tiefe: 2/6   00:00:01
>11...Sf6 12.Df3
>  -+  (-3.52)   Tiefe: 2/6   00:00:01
>11...Sf6 12.Df3 De8 13.Lxc4 Dxg6
>  -+  (-3.05)   Tiefe: 3/7   00:00:01
>11...Sf6 12.Dh4 De8 13.Sg5
>  -+  (-2.87)   Tiefe: 4/9   00:00:01
>11...Sf6 12.Dh4 De8 13.Sg5 Dc6
>  -+  (-3.11)   Tiefe: 5/14   00:00:01
>11...Sf6 12.Dh4 Ld7 13.Lxc4 c5 14.Sg5
>  -+  (-2.31)   Tiefe: 6/15   00:00:02  52kN
>11...Sf6 12.Dh4 Te8 13.Sf4 Kf8 14.Dh8+ Sg8 15.Th7 Sd7 16.Lxc4
>  -+  (-2.06)   Tiefe: 7/18   00:00:03  231kN
>11...Sf6 12.Dh4 Ld6 13.Sg5 Lh2 14.Txh2 Sh5 15.Dxh5 f4 16.Lxc4 fxe3 17.fxe3
>  +-  (5.12)   Tiefe: 8/21   00:00:06  1004kN
>11...Sf6 12.Dh4 Dxd4 13.exd4 f4 14.Sxf4 Sh5 15.Dxe7 Sxf4 16.Lxc4 Sxg2+
>  +-  (7.95)   Tiefe: 9/31   00:00:13  3312kN
>11...Sf6 12.Dh4 Dxd4 13.exd4 Td8 14.Sg5 Kf8 15.Dh8+ Sg8 16.Sh7+ Ke8 17.Dxg8+ Kd7
>18.Dxg7 Sc6 19.Lxc4
>  +-  (11.56)   Tiefe: 10/33   00:00:37  9688kN
>
>(Nemeth, Privat 20.07.2004)
>
>Eduard
>
>
>
>On July 20, 2004 at 06:42:50, Eduard Nemeth wrote:
>
>>At moment a played a Game against Crafty 19.15 "ChessBase Native-Engine". In the
>>Engine Options I found no an Trojan or Anti-Human code. Also I played normally a
>>fast Ches game 30 minutes. Ok. Its was played only on my slow P3 600, but you
>>can see that Crafty 19.15 have never his anti-human code (in older versions I
>>have seen this code).
>>
>>Why this?
>>
>>GUI = ChessProgram8
>>Crafty = Native Engine CB
>>
>>
>>[Event "Blitz:30'"]
>>[Site "Privat"]
>>[Date "2004.07.20"]
>>[Round "?"]
>>[White "Nemeth, Eduard"]
>>[Black "Crafty 19.15"]
>>[Result "1-0"]
>>[ECO "D54"]
>>[Annotator "Nemeth,Eduard"]
>>[PlyCount "125"]
>>[TimeControl "1800"]
>>
>>{48MB, Fritz8.ctg, P3 600} 1. d4 {0} Nf6 {0} 2. c4 {3} e6 {0} 3. Nc3 {(Sf3) 2}
>>d5 {0} 4. Bg5 {(Sf3) 2} Be7 {0} 5. e3 {(Sf3) 2} O-O {0} 6. Rc1 {(Sf3) 2} h6 {0}
>>7. h4 {(Lh4) 4} dxc4 {-0.71/10 53} 8. Nh3 {(Lxf6) 2} hxg5 {-3.27/11 52} 9. hxg5
>>{4} Nfd7 {-2.85/10 122} 10. Qh5 {(g6) 7} g6 {1.64/10 46} 11. Qh6 {4} Re8 {
>>3.12/11 69} 12. Nf4 {29} Bf6 {3.47/10 68} 13. Qh7+ {30} Kf8 {3.66/11 10} 14.
>>gxf6 {14} Qxf6 {3.36/11 26} 15. Qh8+ {6} Qxh8 {3.38/14 33} 16. Rxh8+ {4} Ke7 {
>>2.98/13 34} 17. Nfd5+ {16} exd5 {1.70/15 25} 18. Nxd5+ {4} Kd8 {1.90/16 32} 19.
>>Rxe8+ {3} Kxe8 {1.80/17 32} 20. Nxc7+ {1} Kd8 {1.80/16 35} 21. Nxa8 {4} b5 {
>>1.89/15 29} 22. a4 {35} Bb7 {1.81/14 0} 23. axb5 {11} Bxa8 {1.84/14 22} 24.
>>Bxc4 {5} f6 {1.89/13 27} 25. f3 {16} Nb6 {1.92/13 15} 26. Bd3 {6} g5 {
>>1.74/13 25} 27. Ra1 {21} Nc8 {1.63/12 9} 28. b6 {(Lf5) 118} a6 {1.38/13 30} 29.
>>Bxa6 {13} Nxa6 {1.40/13 19} 30. Rxa6 {2} Bb7 {1.45/14 26} 31. Ra5 {2} Nxb6 {
>>1.53/13 26} 32. e4 {17} Bc8 {1.50/12 10} 33. Rc5 {(b3) 46} Nd7 {1.68/13 53} 34.
>>Rc6 {4} Bb7 {1.90/14 22} 35. Re6 {32} Kc7 {2.02/14 0} 36. d5 {9} Kb8 {
>>2.05/13 16} 37. b4 {4} Kc7 {2.11/13 21} 38. Kd2 {22} Ba8 {2.20/13 1} 39. Ke3 {
>>(Kd3) 25} Bb7 {2.41/13 23} 40. g3 {(f4) 9} Kc8 {2.73/12 31} 41. f4 {7} Kd8 {
>>3.22/12 23} 42. Kd4 {14} gxf4 {3.58/13 8} 43. gxf4 {3} Bc8 {3.89/14 18} 44. b5
>>{6} Bb7 {4.56/13 15} 45. e5 {5} fxe5+ {5.33/13 16} 46. fxe5 {3} Nf8 {5.46/12 24
>>} 47. Rh6 {78} Ke7 {14.86/14 34} 48. e6 {57} Kd6 {18.80/13 31} 49. Rf6 {34} Ke7
>>{24.95/13 24} 50. Rf7+ {76} Ke8 {24.95/13 21} 51. Rxb7 {5} Ng6 {#7/11 31} 52.
>>Rf7 {(d6) 18} Kd8 {#11/11 16} 53. d6 {4} Kc8 {#6/10 11} 54. Rf6 {(d7+) 14} Kb7
>>{#9/9 14} 55. Rxg6 {(d7) 3} Kb6 {#5/10 14} 56. Kd5 {(Kc4) 5} Kxb5 {#5/10 14}
>>57. Rg4 {(d7) 4} Kb6 {#4/9 13} 58. Rb4+ {(e7) 3} Ka5 {#4/10 13} 59. Kc5 {6} Ka6
>>{#3/8 3} 60. Rb1 {(e7) 2} Ka7 {#3/9 12} 61. Kc6 {(e7) 1} Ka8 {#2/9 12} 62. Kc7
>>{1} Ka7 {#1/8 8} 63. Ra1# {2} 1-0
>>
>>Eduard
>>
>>http://www.beepworld.de/members37/computerschach/



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