search

tromp / ChessPositionRanking

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

bK1n3b/B5Nq/p2Q1N2/N2q1k2/1PPp1q2/3n2BR/r2N3r/RNRR1B2 b - - 0 1 #884

Closed tromp closed 3 years ago

tromp commented 3 years ago

bK1n3b/B5Nq/p2Q1N2/N2q1k2/1PPp1q2/3n2BR/r2N3r/RNRR1B2 b - - 0 1

img

Single Check wx 0 wp 2 wpr 6 wpx 0 maxuwp 2 minopp 0 bx 4 bp 2 bpr 2 bpx 4 maxubp 2 minopp 0

isaacg1 commented 3 years ago

Proof game:

  1. a4 b5 2. d4 c5 3. e4 f5 4. h4 g5 5. axb5 a6 6. dxc5 d5 7. exf5 e5 8. hxg5 h5 9. b4 d4 10. c4 e4 11. f4 h4 12. g4 e3 13. b6 e2 14. Kd2 e1=Q+ 15. Kc2 h3 16. b7 h2 17. Nf3 Nc6 18. Rg1 h1=Q 19. b8=B Nge7 20. Ba7 Rh2+ 21. Kb3 Bg7 22. g6 Bh8 23. g7 Bb7 24. g8=N Rc8 25. g5 Ba8 26. Nh6 Rb8 27. g6 Rb5 28. g7 Ra5 29. g8=N Raa2 30. Nfd2 Kd7 31. f6 Qh4 32. f7 Ne5 33. f8=N+ Kc6 34. Ng6 Qdd5 35. f5 Kd7 36. c6+ Kd6 37. f6 Rc2 38. Ka4 Nd3 39. c7 Nc6 40. c8=R Qf4 41. Re8 Nd8 42. Re1 Qhg2 43. f7 Qh3 44. Ng4 Qh7 45. f8=R Qh1 46. Ka5 Ra2+ 47. Kb6 Re2 48. Ne3 Ke6 49. Nd5 Nf7 50. Nde7 Qd5 51. Nc6 Kf5 52. Na5 Qf2 53. Kc7 Ne5 54. Kb8 Qf4 55. Qa4 Rh2 56. Qc6 Qhh6 57. Qd6 Nd3 58. Rfe8 Nd8 59. Ndb3 Qh7 60. Be3 Qhh6 61. Bf2 Qh7 62. Bg3 Qhh6 63. Rc1 Qh7 64. Ree1 Qhh6 65. Red1 Qh7 66. N3d2 Re2 67. Rh1 Qhh6 68. Rh3 Qh7 69. Nf6 Rh2 70. Nf8 Qhh6 71. Ne6 Qh7 72. Ng7+
tromp commented 3 years ago

Verified. Thanks, @isaacg1 !