Author: Bruce Moreland
Date: 15:08:12 12/30/97
This is the longest win for the queen in KRP vs KQ. Enjoy.
bruce
a b c d e f g h
+---+---+---+---+---+---+---+---+
8 | |///| |///| |///| |///| 8
+---+---+---+---+---+---+---+---+
7 |///| K |///| |///| |///| | 7
+---+---+---+---+---+---+---+---+
6 | |///| |///| |///| |///| 6
+---+---+---+---+---+---+---+---+
5 |///| |/P/| |///| |///| | 5
+---+---+---+---+---+---+---+---+
4 | |///| R |///| |///| |///| 4
+---+---+---+---+---+---+---+---+
3 |///| |///| |///| |///| k | 3
+---+---+---+---+---+---+---+---+
2 | |///| |///| |///| |/q/| 2
+---+---+---+---+---+---+---+---+
1 |///| |///| |///| |///| | 1
+---+---+---+---+---+---+---+---+
a b c d e f g h
8/1K/8/2P/2R/7k/7q/8 b - - 0
1. ... Qb2+! 2. Kc8 Qh8+! 3. Kb7 Qh7+ 4. Kb6 Qb1+! 5. Kc7 Qd3 6.
Rb4 Qc3 7. Rb5 Qe5+! 8. Kb6 Qb8+! 9. Kc6 Qa7 10. Rb6 Qa5! 11.
Rb5 Qa6+ 12. Rb6 Qc4 13. Rb5 Kg2! 14. Kb6 Qd4! 15. Ka6 Qc3 (Qe4)
16. Kb6 Qe3 17. Ka6 Qe6+ 18. Kb7 Qe5 19. Ra5 Qg7+ (Qe7+) 20. Kb6
Qd4 21. Kc7 Qd5 22. Rb5 Qe5+! 23. Kb6 Qb8+ 24. Kc6 Qa7 25. Rb7
(Kd6) Qa5 26. Rb5 (Kd6) Qa6+ 27. Rb6 Qc4 28. Rb7 Kf3 29. Re7 Kf4
30. Kd6 Qb4 31. Re6 Qd2+ 32. Kc6 Qa5 (Kf5) 33. Re7 Kf5 34. Kd6
Qd8+ 35. Rd7 Qb8+ 36. Kd5 Qb5 (Kf4) 37. Rf7+ Kg6 (Kg5) 38. Ra7
Kf6 39. Kd6 Qd3+ 40. Kc6 Ke6 41. Rb7 Qa6+! 42. Rb6 Qc8+ (Qa7) 43.
Kb5+ Ke7 44. Rd6 Qb7+ (Qf5, Qg4, Qh3, Qa8, Qf8, Qg8) 45. Rb6
(Kc4) Qf3 46. Ra6 (Kc4) Kd8 (Kd7) 47. Rd6+ Kc7 48. Kb4 Qe4+ (Qh5,
Qf1, Qf8) 49. Kb5 Qe8+ 50. Kb4 (Ka5) Kb8 (Kb7) 51. Rb6+ Ka7 52.
Rd6 Qf7 (Qe7, Qe4+, Qe1+, Qb8+) 53. Rb6 Qa2 (Qf4+, Qf2, Qg7) 54.
Rd6 Qb2+ 55. Kc4 Qa3 (Qb1, Qb7, Qb8) 56. Rb6 Qc1+ (Qa1, Qa5, Ka8)
57. Kb5 (Kb4) Qb2+ 58. Kc4 Qa3 59. Kd4 Qc1 60. Rd6 Qa1+ 61. Kd3
Qa3+ (Qa5) 62. Kc4 Qa4+ 63. Kd5 (Kc3) Qb3+ (Qb5) 64. Kd4 Qb4+ 65.
Kd5 Qc3 66. Rd7+ (Rb6) Ka6! 67. c6 Qf6 68. Rb7 Qf8 (Ka5) 69. Ke6
Qh6+ 70. Kd5 Qf6 71. Rb4 Qf5+ (Qf3+, Qf7+) 72. Kd4 Qf8 73. Kc3
(Kc4) Qf3+ 74. Kd2 (Kd4, Kc2, Kc4) Qxc6 75. Rf4 (Kd3) Kb5 (Kb6)
76. Kd3 Qd5+ 77. Ke2 (Ke3) Qb3 (Kc6, Kc5) 78. Rf5+ (Rf3, Rf2,
Re4, Rd4, Rg4, Rh4, Kd2, Kf2) Kc6 (Kc4) 79. Rf4 (Rh5, Kd2) Qc2+
(Qc3, Kd5) 80. Ke3 Kd5 81. Rg4 Qc3+ (Qc1+) 82. Kf2 Qd3 (Ke6, Ke5)
83. Rg8 (Rh4) Qf5+ 84. Kg3 Ke5 85. Rg4 (Re8+, Rb8) Qd3+ (Qf1) 86.
Kh4 (Kf2) Qe2 (Qd2) 87. Kg5 (Kg3, Kh3) Qe3+ (Qd2+) 88. Kg6 Qd3+
(Ke6) 89. Kh5 (Kg5) Kf5 90. Rg5+ Kf6 91. Kh4 Qh7+ 92. Rh5 Qg8
(Qg7) 93. Kh3 Qg1 94. Rh4 (Ra5, Kh4) Kg5 (Kf5) 95. Ra4 Qd1 96.
Ra3 Kf4 97. Kg2 Qc2+ (Qd2+) 98. Kf1 Qc1+ 99. Ke2 Qxa3 100. Kd2
Qb4+ (Qc5, Qb3, Ke4) 101. Kc1 (Kd3, Ke2) Ke3 (Kf3, Ke4) 102. Kc2
Ke2 103. Kc1 Kd3 104. Kd1 Qd2# (Qb1#)
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.