Author: Uri Blass
Date: 04:04:34 11/10/04
Go up one level in this thread
On November 10, 2004 at 03:28:57, Martin Baumung wrote:
>.
Not to me I believe that there is a shorter mate and white does not need to
repeat the long trip with the queen.
I guess that Qd4+ is better than Qb6+
No proof for a shorter mate but some analysis.
[Event "Blitz:120'"]
[Site "MyTown"]
[Date "????.??.??"]
[Round "?"]
[White "Byrne, Michael"]
[Black "Fritz 8"]
[Result "1-0"]
[SetUp "1"]
[FEN "q4b2/1pk1pPp1/p3P1P1/P4p1p/1p3P2/1p6/3K1Q1P/8 w - - 0 1"]
[PlyCount "138"]
[TimeControl "7200"]
1. Qc5+ Kb8 2. Qe5+ Kc8 3. Qd5 Kc7 4. Qd7+ Kb8 5. Qd8+ Ka7 6. Qb6+ Kb8 7. Kc1
Kc8 8. Qc5+ Kb8 9. Qe5+ Kc8 10. Qd5 Kc7 11. Qd7+ Kb8 12. Qd8+ Ka7 13. Qb6+ Kb8
14. Kb2 Kc8 15. Qc5+ Kb8 16. Qe5+ Kc8 17. Qd5 Kc7 18. Qd7+ Kb8 19. Qd8+ Ka7 20.
Qb6+ Kb8 21. Kxb3 Kc8 22. Qc5+ Kb8 23. Qe5+ Kc8 24. Qd5 Kc7 25. Qd7+ Kb8 26.
Qd8+ Ka7 27. Qb6+ (27. Qd4+ Kb8 28. Kxb4 b5) 27... Kb8 28. Kxb4 Kc8 29. Qc5+
Kb8 30. Qe5+ {[%emt 0:00:00]} Kc8 31. Qd5 Kc7 32. Qd7+ Kb8 33. Qd8+ Ka7 34.
Qb6+ Kb8 35. Kc3 Kc8 36. Qc5+ Kb8 37. Qe5+ Kc8 38. Qd5 Kc7 39. Qd7+ Kb8 40.
Qd8+ Ka7 41. Qb6+ Kb8 42. Kd3 Kc8 43. Qc5+ Kb8 44. Qe5+ Kc8 45. Qd5 Kc7 46.
Qd7+ Kb8 47. Qd8+ Ka7 48. Qb6+ Kb8 49. Ke2 Kc8 50. Qc5+ Kb8 51. Qe5+ Kc8 52.
Qd5 Kc7 53. Qd7+ Kb8 54. Qd8+ Ka7 55. Qb6+ Kb8 56. Kf3 Kc8 57. Qc5+ Kb8 58.
Qe5+ Kc8 59. Qd5 Kc7 60. Qd7+ Kb8 61. Qd8+ Ka7 62. Qb6+ Kb8 63. Kg3 Kc8 64.
Qc5+ Kb8 65. Qe5+ Kc8 66. Qd5 Kc7 67. Qd7+ Kb8 68. Qd8+ Ka7 69. Qb6+ (69. Qd4+
Kb8 70. Kh4 Kc8 (70... b5 71. axb6 a5 72. Qd7 Qb7 (72... Qa6 73. Qc7+ Ka8 74.
Qd8+ Kb7 75. Qxf8 Qe2 76. Qxe7+ Ka6 77. Qa7+ Kb5 78. Qd7+) 73. Qe8+ Qc8 74. Kg5
h4 75. Kxh4 a4 76. Qxa4 Qc6 77. Qa6 Qb7 78. Qxb7+ Kxb7 79. Kg5) 71. Qd7+ Kb8
72. Qd8+ Ka7 73. Qb6+ Kb8 74. Kxh5 Kc8 75. Qc5+ Kb8 76. Qe5+ Ka7 77. Qd4+ Kb8
78. Qd8+ Ka7 79. Qb6+ Kb8 80. Kg5 Kc8 81. Qc5+ Kb8 82. Qe5+ Ka7 83. Qd4+ Kb8
84. Qd8+ Ka7 85. Qb6+ Kb8 86. Kxf5) 69... Kb8 1-0
Uri
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