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Subject: Re: Why did Fritz 8 play wrongly?

Author: Marc van Hal

Date: 08:46:13 07/02/03

Go up one level in this thread


On July 02, 2003 at 08:12:27, Eduard Nemeth wrote:

>
>First the full game in PGN:
>
>[Event "FSGMB June Budapest HUN "]
>[Site "?"]
>[Date "2003.??.??"]
>[Round "10"]
>[White "Koczo,K"]
>[Black "Trajber,C"]
>[WhiteElo "2085"]
>[BlackElo "2060"]
>[ECO "D18"]
>[Result "1/2-1/2"]
>
>1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6
>7. Bxc4 Bb4 8. O-O Nbd7 9. Nh4 Bg6 10. Qb3 a5 11. g3 Rb8
>12. Rd1 Bh5 13. Be2 Bxe2 14. Nxe2 Ne4 15. f3 Nef6 16. e4
>Qb6 17. Kg2 h6 18. Kf1 g5 19. Ng2 g4 20. Bf4 Rd8 21. Qe3
>Bf8 22. Nh4 c5 23. Nc3 cxd4 24. Qxd4 Qxd4 25. Rxd4 e5
>26. Nb5 Be7 27. Nc7+ Kf8 28. Rxd7 Nxd7 29. Bd2 Bxh4
>30. gxh4 b6 31. b4 axb4 32. Bxb4+ Kg7 33. fxg4 Rc8 34. Bd6
>f6 35. Ke2 Kf7 36. Rf1 Rhg8 37. h3 h5 38. g5 Kg6 39. Nd5
>Rc4 40. Ne7+ Kf7 41. Nxg8 Rxe4+ 42. Kf3 Rf4+ 43. Kg2 Rxf1
>44. Kxf1 Kxg8 45. gxf6 Kf7 46. Ke2 Kxf6 47. Ke3 Ke6 48. Bc7
>Kd5 49. Bd8 Nc5 50. Bxb6 Nxa4 51. Bd8 Nc5 52. Bg5 Ne6
>53. Bh6 Nd4 54. Bg5 Nf5+ 55. Kd3 Ke6 56. Ke4 Nd6+ 57. Ke3
>Kf5 58. Kf3 Nf7 59. Be3 e4+ 60. Kf2 Ne5 61. Ke2 Nd3 62. Kd2
>Nf4 63. Bxf4 Kxf4 64. Ke2 e3 65. Ke1 Ke5 66. Ke2 Ke4
>67. Ke1 Kf3 68. Kf1 Kg3 69. Ke2 Kxh4 70. Kxe3 Kxh3 71. Kf4
>h4 72. Kf3 Kh2 73. Kf2 h3 74. Kf1 1/2-1/2
>
>Koczo,K - Trajber,C
>
>[D]8/8/8/5k1p/4pn1P/4B2P/3K4/8 w - - 0 1
>
>After move 62:
>
>Analysis by Fritz 7.008:
>
>63.Lg1 Sxh3 64.Lb6 Sf4 65.Ld8 Sd5 66.Lg5 Kg4 67.Ke2 Kg3 68.Ld8 Kf4 69.Lg5+ Ke5
>  -+  (-1.59)   Tiefe: 21/37   00:01:57  31091kN, tb=8387
>63.Lg1 Sxh3 64.Lb6 Sf4 65.Ld8 Sd5 66.Lg5 Kg4 67.Ke2 Kg3 68.Ld8 Kf4 69.Lg5+ Ke5
>70.Lh6
>  -+  (-1.62)   Tiefe: 22/38   00:03:02  50598kN, tb=14119
>
>:(
>
>After Bxf4, game is easy draw!
>
>White moves now Bxf4:
>
>Koczo,K - Trajber,C
>
>[D]8/8/8/5k1p/4pB1P/7P/3K4/8 b - - 0 1
>
>
>Analysis by Fritz 7:
>
>63...Kxf4 64.Ke2 e3 65.Ke1 Ke5 66.Kf1 Kf5 67.Ke1 Kf4 68.Ke2 Ke4
>  -+  (-2.31)   Tiefe: 36/49   00:00:26  6533kN, tb=1273
>63...Kxf4--
>  -+  (-2.03)   Tiefe: 37/51   00:00:38  9984kN, tb=1354
>63...Kxf4 64.Ke2 e3 65.Ke1 Ke5 66.Kf1 Kf5 67.Ke1 Kf4 68.Ke2 Ke4
>  =  (0.00)   Tiefe: 37/51   00:00:53  16440kN, tb=6048
>
>:-((
>
>Now Fritz 8.005:
>
>Koczo,K - Trajber,C
>
>[D]8/8/8/5k1p/4pn1P/4B2P/3K4/8 w - - 0 1
>
>Analysis by Fritz 8:
>
>63.La7 Sxh3 64.Ke3 Sf4 65.Kf2 Sd5 66.Kg3 Ke5 67.Lc5 Sf4 68.La7 Sd3 69.Le3 Ke6
>70.Kg2
>  -+  (-1.69)   Tiefe: 20/33   00:01:11  21670kN, tb=8952
>63.La7 Sxh3 64.Ke3 Sf4 65.Kf2 Sd5 66.Kg3 Ke5 67.Lc5 Sf4 68.La7 Sd3
>  -+  (-1.69)   Tiefe: 21/35   00:02:46  53622kN, tb=16505
>
>:-(
>
>After next move:
>
>Koczo,K - Trajber,C
>
>[D]8/8/8/5k1p/4pB1P/7P/3K4/8 b - - 0 1
>
>Analysis by Fritz 8.005:
>
>63...Kxf4 64.Ke2 e3 65.Ke1 Kf5 66.Kd1 Ke5 67.Ke2 Ke4
>  -+  (-2.31)   Tiefe: 39/47   00:01:07  24068kN, tb=30253
>63...Kxf4 64.Ke2 e3 65.Ke1 Kf5 66.Kd1 Ke5 67.Ke2 Ke4
>  -+  (-2.31)   Tiefe: 40/50   00:02:41  58412kN, tb=53513
>
>:-((
>
>Next move:
>
>Koczo,K - Trajber,C
>
>[D]8/8/8/7p/4pk1P/7P/3K4/8 w - - 0 1
>
>
>Analysis by Fritz 8.005:
>
>64.Ke2 e3 65.Ke1 Ke5 66.Kf1 Kf5 67.Ke2 Ke4
>  -+  (-2.59)   Tiefe: 37/44   00:00:43  13915kN, tb=35390
>64.Ke2 e3 65.Ke1 Ke5 66.Kf1 Kf5 67.Ke2 Ke4
>  -+  (-2.59)   Tiefe: 38/46   00:01:13  25370kN, tb=52622
>
>:-(((
>
>
>next move:
>
>
>Koczo,K - Trajber,C
>
>[D]8/8/8/7p/4pk1P/7P/4K3/8 b - - 0 1
>
>
>Analysis by Fritz 8.005:
>
>64...Ke5 65.Ke3 Kf5 66.Ke2 Ke6 67.Ke1 Kf5
>  -+  (-1.63)   Tiefe: 28/37   00:00:14  3622kN, tb=2909
>64...Ke5 65.Ke3 Kf5 66.Ke2 Ke6 67.Ke1 Kf5
>  -+  (-1.63)   Tiefe: 29/39   00:00:28  7590kN, tb=3421
>
>:-((((
>
>
>For Ruffian and Yace the position is a easy:
>
>Koczo,K - Trajber,C
>8/8/8/7p/4pk1P/7P/4K3/8 b - - 0 1
>
>Analysis by Yace Paderborn:
>
>64...e3 65.Ke1 Ke4 66.Ke2 Kd4 67.Ke1 Ke5 68.Ke2 Ke4 69.Ke1 Kf5 70.Ke2 Ke4 71.Ke1
>Kf5 72.Ke2 Ke4
>  µ  (-1.35)   Tiefe: 13/14   00:00:01  9kN
>64...e3 65.Ke1 Ke4 66.Ke2 Kd4 67.Ke1 Ke5 68.Ke2 Ke4 69.Ke1 Kd5 70.Ke2 Ke4
>  =  (0.00)   Tiefe: 14/14   00:00:01  9kN
>64...e3 65.Ke1 Ke4 66.Ke2 Kd4 67.Ke1 Ke5 68.Ke2 Ke4 69.Ke1 Kd5 70.Ke2 Ke4 71.Ke1
>Kd5 72.Ke2 Ke4
>  =  (0.00)   Tiefe: 14/14   00:00:01  10kN
>
>Koczo,K - Trajber,C
>8/8/8/7p/4pk1P/7P/4K3/8 b - - 0 1
>
>Analysis by Ruffian 1.0.1:
>
>64...e3 65.Ke1 Ke5 66.Kf1 Kf5 67.Ke1 Kf4 68.Ke2 Ke4 69.Ke1 Kd3 70.Kd1 Kc4 71.Ke2
>Kd4 72.Ke1 Kd5 73.Ke2 Ke4
>  -+  (-1.54)   Tiefe: 19/22   00:00:00  62kN
>64...e3 65.Ke1 Ke5 66.Kf1 Kf5 67.Ke1 Kf4 68.Ke2 Ke4 69.Ke1 Kd3 70.Kd1 Kc4 71.Ke2
>Kd4 72.Ke1 Kd5 73.Ke2 Ke4
>  =  (0.00)   Tiefe: 20/22   00:00:00  68kN
>64...Kf5 65.Ke3 Ke5 66.Ke2 Kd4 67.Kd2 Kc4 68.Ke2 Kc5 69.Ke3 Kd5 70.Ke2 Ke5
>71.Kf2 Kf6 72.Ke2 Kg6 73.Kf2 Kh6 74.Ke3
>  µ  (-1.04)   Tiefe: 20/24   00:00:01  104kN
>64...Kf5
>  ³  (-0.69)   Tiefe: 21/24   00:00:01  115kN
>64...Kf5 65.Ke3 Ke5 66.Ke2 Kd4 67.Kd2 Kc4 68.Ke2 Kc5 69.Ke3 Kd5 70.Ke2 Ke5
>71.Kf1 Ke6 72.Kf2 Kf6 73.Kg2 Kf5 74.Kg3
>  =  (0.00)   Tiefe: 21/24   00:00:01  135kN
>
>Why did Fritz 8 play wrongly????
>
>My little World to kill the progams :-))
>
>http://www.beepworld.de/members37/computerschach/
>
>Eduard

You only should not claim to many times you composed a postion which already was
givven years ago.
from an actualy game postion.
That does not show much respect for the original creator.

marc
But I could give even more simple examples where programs went wrong.



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