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tromp / ChessPositionRanking

Software suite for ranking chess positions and accurately estimating the number of legal chess positions
MIT License
139 stars 7 forks source link

1R2Rb1Q/2K2k2/2bn1BQ1/N2r4/2b4r/1nQn1RN1/1rPRpQ1B/1qb2B2 b - - 0 1 #788

Closed tromp closed 3 years ago

tromp commented 3 years ago

1R2Rb1Q/2K2k2/2bn1BQ1/N2r4/2b4r/1nQn1RN1/1rPRpQ1B/1qb2B2 b - - 0 1

img

Single Check wx 1 wp 1 wpr 6 wpx 1 maxuwp 1 minopp 0 bx 3 bp 1 bpr 4 bpx 3 maxubp 1 minopp 0

Rewzilla commented 3 years ago

Solved! Proof:

  1. a4 b5 2. axb5 c5 3. d4 cxd4 4. e4 f5 5. exf5 g5 6. h4 Nc6 7. hxg5 Bh6 8. b6 a5 9. b7 a4 10. Ra3 Nf6 11. b8=B Nd5 12. Rb3 a3 13. f6 a2 14. g6 a1=B 15. Re3 Ba6 16. b4 Na5 17. g7 e6 18. f7+ Ke7 19. f8=R Bf4 20. g8=R h5 21. b5 h4 22. Be5 Bh6 23. Rhh3 Qc7 24. b6 Qd8 25. b7 Qc7 26. b8=Q Bb2 27. Rff3 Nb6 28. Ra3 Nd5 29. Rfb3 Nb6 30. Rc8 Be3 31. f4 d3 32. f5 Bed4 33. Bh2 Bc5 34. g3 Kd6 35. f6 Kd5 36. f7 Kd6 37. f8=Q+ Kd5 38. Qh6 Kd6 39. g4+ Kd5 40. g5 Ke4 41. g6 Kd5 42. g7 Ke4 43. g8=Q Kf5 44. Qe2 Rh7 45. Qd1 Rg7 46. Re3 h3 47. Bd6 h2 48. Be5 h1=R 49. Qe2 d2+ 50. Kf2 d1=N+ 51. Ke1 Nc3 52. Kf2 d5 53. Ke1 d4 54. Kf2 d3 55. Ke1 d2+ 56. Kf2 d1=B 57. Kf3 Nc6 58. Rd3 Rh5 59. Bf6 Bf8 60. Ke3 Rh4 61. Rdd8 Bb5 62. Qa7 Qd6 63. Bd2 Nca4 64. Kf3 Qd4 65. Bf4 Bc1 66. Bh2 Qa1 67. Nc3 Qb1 68. Ne4 Nc5 69. Nd2 Nd3 70. Nc4 Na5 71. Rc3 Nb3 72. Na5 Rb7 73. Qa6 Nc4 74. Qc6 Nd6 75. Qc4 Ndc5 76. Rd3 e5 77. Qgg7 Rd7 78. Rb8 Bc6+ 79. Qe4+ Ke6 80. Qgh8 Kf7 81. Kg3 Nd4 82. Qed2 Ndb3 83. Ne2 Nd4 84. Qc3 Ndb3 85. Rf3 Nd3 86. Ra4 Bb7 87. Rd4 Ndc5 88. Rd2 Nd3 89. Nc6 Ra2 90. Na5 Rb2 91. Nd4 Be2 92. Qb4 Ndc5 93. Qc3 Bc4 94. Ne2 Nd3 95. Qf5 Rh5 96. Kg4 e4 97. Rg3 Nb4 98. Kf4 Rh4+ 99. Ke5 Bba6 100. Bg2 Bcb5 101. Bf1 Nd3+ 102. Kd5 Bc4+ 103. Kc6 Nb7 104. Rf3 Rd5 105. Kc7 Nd6 106. Ng3 Bab5 107. Qh3 Bc6 108. Qg2 e3 109. Qf2 e2 110. Re8 Qa2 111. Kb6 Qa1 112. Kc7 Qb1 113. Qg6+
tromp commented 3 years ago

Verified. Thanks, @Rewzilla !