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Subject: Re: FRITZ 8 cannot plays ENDGAMES (with 2 Diagrams) !!!

Author: Richard Pijl

Date: 16:22:32 07/20/03

Go up one level in this thread


On July 20, 2003 at 14:00:45, Eduard Nemeth wrote:

>Fritz 8 cannot win an easily won position, but however the amateur LIST!!
>
>Like one such positions does not win, which demonstrates us Fritz 8,0023 (newest
>version of Fritz):
>
>
>Fritz 8 kann eine leicht gewonnene Stellung nicht gewinnen, dafür aber der
>Amateur List !
>
>Wie man solche Stellungen nicht gewinnt, das demonstriert uns Fritz 8.0023
>(neueste Version von Fritz):
>
>First the original Game:
>
>
>[Event "ch-SWE Umea SWE "]
>[Site "?"]
>[Date "2003.??.??"]
>[Round "9"]
>[White "Berg,E"]
>[Black "Ahlander,B"]
>[WhiteElo "2510"]
>[BlackElo "2385"]
>[ECO "B99"]
>[Result "0-1"]
>
>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5
>e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6
>Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Qe7
>16. Nxe6 Bxe6 17. fxe6 g6 18. exf7+ Kxf7 19. Qe2 Kg7
>20. Nd5 Qd8 21. Qe1 Rf8 22. h4 Bh6 23. h5 Rc8 24. hxg6 hxg6
>25. Bh3 Rc4 26. Qg1 Nf3 27. Qa7+ Rf7 28. Qxa6 Nd2+ 29. Rxd2
>Bxd2 30. Qxb5 Rxe4 31. Qd3 Re1+ 32. Rxe1 Bxe1 33. Be6 Rf8
>34. Qd4+ Kh7 35. Qa7+ Kh8 36. Qd4+ Kh7 37. Qa7+ Kh8 38. Ne7
>Qe8 39. Qe3 Bd2 40. Qd4+ Kh7 41. Bg8+ Rxg8 42. Qh4+ Kg7
>43. Nxg8 Kxg8 44. Qc4+ Qf7 45. Qd3 Bf4 46. a4 Qe6 47. Qf1
>Bg3 48. Qf3 Qe1+ 49. Ka2 Kg7 50. Qb7+ Kf6 51. c3 Qe6+
>52. Ka3 d5 53. b4 Be5 54. Qa8 Kg7 55. Qa7+ Kf6 56. Qa8 Qd6
>57. Kb3 d4 58. cxd4 Qxd4 59. Qf3+ Kg7 60. a5 g5 61. a6 Qb6
>62. Qf5 Qe3+ 63. Kc4 Qd4+ 64. Kb5 Qd5+ 65. Ka4 Qc6+ 66. Kb3
>Bf6 67. Qa5 Qf3+ 68. Ka4 Qd1+ 69. Kb5 Qd5+ 70. Ka4 Qd1+
>71. Kb5 Bd8 72. Qa3 Qd5+ 73. Ka4 Qc6+ 74. Kb3 Qf3+ 75. Ka4
>Qxa3+ 0-1
>
>Startposition after 75...Ka4:
>
>[D]3b4/6k1/P7/6p1/KP6/Q4q2/8/8 b - -]
>
The Baron 1.0.2 has no problem with this position, selecting Qxa3 immediately:

 ply       time     nodes  score  pv

  5(14).      0     21685    667  f3a3 a4a3 d8b6 a3b3 g5g4 b4b5 g4g3 b3c4
  6(10)&      0     24627    694  f3a3 a4a3 d8b6 a3b3 g5g4 b4b5 g4g3 b3c4 g3g2
  6(16).      0     64756    694  f3a3 a4a3 d8b6 a3b3 g5g4 b4b5 g4g3 b3c4 g3g2
  7(12)+      1     65487    729  f3a3 a4a3 d8b6 a3b3 g5g4 b4b5 g4g3 b3c4 g3g2
a6a7 b6a7
  7(12)&      1     74602    748  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6e3 b5c6 g4g3
  7(21).      2    182732    748  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6e3 b5c6 g4g3
  8(23)-      6    676543    713  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6e3 b5c6 g4g3
b4b5 g3g2
  8(23)&      6    687934    679  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2
  8(24).      8   1139366    679  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2
  9(18)&      9   1159539    671  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 b5b6 g2g1q
  9(26).     19   2766681    671  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 b5b6 g2g1q
 10(17)+     19   2768415    712  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 b5b6 d4b6
 10(17)&     19   2789023    770  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q
 10(29).     38   5400517    770  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q
 11(18)&     38   5438770    768  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q b7c6
 11(33).    111  16338136    768  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q b7c6
 12(24)&    112  16417415    788  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q b7c6 g1g2 c6d6
 12(37).    286  43710907    788  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q b7c6 g1g2 c6d6
 13(25)&    287  43825960    807  f3a3 a4a3 d8b6 a3a4 g5g4 a4b5 b6d4 b5c6 g4g3
b4b5 g3g2 c6b7 g2g1q b7c7

Richard.



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