Fwd: A single integer N = a complete chess game

[Maximilian Hasler]

---------- Forwarded message ----------
From: Maximilian Hasler
Date: Tue, Apr 15, 2008 at 11:54 AM
Subject: Re: A single integer N = a complete chess game
To: Jack Brennen <jb at brennen.net>

>  Why isn't this position legal -- please enlighten us?

 Now I stand corrected. I firmly beleived that this position could not
 occur in a game. However, it does, cf below.
My apologies for sticking so closely to my prejudices...

 Maximilian

 Proof game for R6R/3Q4/1Q4Q1/4Q3/2­Q4Q/Q4Q2/pp1Q4/kBNN1­KB1:

 1. e4 f5 2. d4 e5 3. c4 d5 4. b4 c5 5. bxc5 Bd7 6. cxd5 Ba4 7. dxe5 Bb3
 8.
 axb3 Nc6 9. exf5 Na5 10. Ba3 Nc4 11. bxc4 Qg5 12. Nf3 g6 13. Nxg5 Ne7
 14.
 fxg6 Ng8 15. gxh7 Rb8 16. hxg8=Q Ra8 17. Qxh8 Kd7 18. Qxf8 Kc7 19. Qxa8
 Kd7
 20. h4 Kc7 21. h5 Kd7 22. h6 Kc7 23. h7 Kd7 24. h8=Q Kc7 25. Nf7 Kd7
 26. g3
 Kc7 27. g4 Kd7 28. g5 Kc7 29. g6 Kd7 30. g7 Kc7 31. g8=Q Kd7 32. e6+ Kc7
 33. e7 Kd7 34. e8=Q+ Kc7 35. Qef8 Kd7 36. Qg1 Kc7 37. Qb2 Kd7 38. Qh6
 Kc7
 39. Qhc1 Kd7 40. Ng5 Kc7 41. f4 Kd7 42. f5 Kc7 43. f6 Kd7 44. f7 Kc7 45.
 f8=Q Kd7 46. Qff2 Kc7 47. Qdb3 Kd7 48. d6 Kc6 49. d7 Kc7 50. d8=Q+ Kc6
 51.
 Qdd1 Kc7 52. Qdc2 Kd7 53. Nf3 Ke7 54. c6+ Kf7 55. c7 Ke6 56. c8=Q+ Kf7
 57.
 Qcc5 Ke6 58. Qcb4 Kf7 59. c5+ Ke7 60. Qbd3 Kf7 61. Nc3 Kf6 62. Bg2 Kg7
 63.
 c6 Kf6 64. c7 Kg7 65. c8=Q Kf6 66. Ke2 Kg7 67. Qcb8 Kf6 68. Qdd1 Kf7 69.
 Kd3 Ke6 70. Qbb1 Kf7 71. Q4b2 Ke6 72. Qh4 Kf7 73. Rh3 Ke6 74. Qgh2 Kf7
 75.
 Qdh1 Ke6 76. Qcf2 Kf7 77. Qcg1 Ke6 78. Qbf1 Kf7 79. Ne2 Ke6 80. Qbc1 Kf7
 81. Qce1 Ke6 82. Rd1 Kd5 83. Bc5 Kc6 84. Bd4 Kb5 85. Nc1 Ka4 86. Nd2 Ka3
 87. Qhd8 a6 88. Qba7 b6 89. Q8b7 Ka4 90. Rh8 Ka3 91. Ne2 Ka2 92. Qdd7
 Ka3
 93. Ra8 Ka2 94. Qh5 Ka3 95. Qhe8 Ka2 96. Qg3 b5 97. Qgb8 Ka3 98. Qbb6
 Ka2
 99. Qeg3 Ka3 100. Nf4 Ka2 101. Re1 Ka3 102. Re7 Ka2 103. Rh7 Ka3 104.
 Rh8
 Ka2 105. Qg1h2 Ka3 106. Bg1 Ka2 107. Bd5+ Ka3 108. Qfe2 Kb2 109. Qhh4
 Ka1
 110. Qhf3 Kb2 111. Bf7 Ka1 112. Nd5 Kb2 113. Ke3 Ka1 114. Kf2 Kb2 115.
 Kf1
 Ka1 116. Nb3+ Kb1 117. Nc1 Ka1 118. Qhf4 Kb1 119. Qgh4 Ka1 120. Qed2 Kb1
 121. Q4e4+ Ka1 122. Qc4 Kb1 123. Bg6+ Ka1 124. Nc3 a5 125. Bb1 b4 126.
 Qbe5
 a4 127. Qeg6 a3 128. Qaa4 a2 129. Qa3 b3 130. Nd1+ b2