Author: Dan Honeycutt
Date: 15:56:59 06/13/05
Go up one level in this thread
On June 13, 2005 at 18:49:07, Uri Blass wrote: >On June 13, 2005 at 18:14:35, Christopher Conkie wrote: > >>No Dan. :-) >> >>There is no need to send me the source. Please don't think I was implying >>anything except in general about the search depth. Normally a blocked position >>would provide this info. The illegal position (3) has quite a few moves up for >>consideration (albeit most leading to a dead draw). >> >>It stands to reason that 63 is logigical and I only observered that the ply >>depth maybe erroneously started at 4 in the visual output of the GUI. >> >>>You are correct that Bruja will allow position 3. Are you sure it is illegal? >>>Say I give up my 2 bishops, 2 rooks and queen judiciously so 5 of your pawns >>>break through the chain. Those 5 march home as do 5 of mine on the vacated >>>files. We still have 3 pawns each blocked. If you help out with your bishops, >>>rooks and queen, can we not get the rest of them home? >> >>Ummm. I think that only 8 promoted pieces can be theoretically possible >>(cumulative). I could be wrong, if I am it is 10 for sure (perhaps there is a >>little help out there on this one, here, but I will check it as well). >> >>The position provided is illegal for sure because 8 pawns of each side have got >>home (in theory). >> >>I'll try and contribute any info further up in your new thread if found as this >>one is going down the page now. >> >>:-) >> >>Christopher > >You are clearly wrong >16 promoted pieces are possible. > >The position that you posted when both sides have 10 knights happened in a game >that I played against myself. > >[Event "Edited game"] >[Site "URI-AMD"] >[Date "2005.06.14"] >[Round "-"] >[White "-"] >[Black "-"] >[Result "*"] > >1. a4 b5 2. a5 b4 3. a6 Bb7 4. axb7 b3 5. Ra2 bxa2 6. bxa8=N a1=N 7. b4 a5 >8. b5 a4 9. b6 a3 10. b7 a2 11. c4 e5 12. c5 Nc6 13. b8=N Nb3 14. h4 g5 15. >Bb2 g4 16. d4 Qg5 17. hxg5 h5 18. g6 Bh6 19. g7 Nf6 20. g8=N h4 21. e3 Nd5 >22. e4 a1=N 23. f4 Bg5 24. fxg5 Rh6 25. g6 Nce7 26. g7 Rb6 27. cxb6 c5 28. >Bc1 c4 29. Bf4 exf4 30. Rh3 gxh3 31. Qg4 h2 32. Qe6 h1=N 33. Qc6 dxc6 34. >Bd3 cxd3 35. g4 h3 36. g5 h2 37. Ne2 Ng3 38. g6 h1=N 39. e5 f3 40. b7 c5 >41. Na6 c4 42. b8=N c3 43. e6 Nf4 44. d5 c2 45. d6 c1=N 46. Nh6 f2+ 47. Kd1 >f1=N 48. g8=N f5 49. g7 d2 50. Nd4 Ngh5 51. Nc2 Nfg6 52. d7+ Kd8 53. Nab4 >Na2 54. Ke2 d1=N 55. Ng4 f4 56. Nh2 Nde3 57. Nh6 N3d5 58. g8=N f3+ 59. Kd1 >f2 60. Nf6 Nfg3 61. Nfg4 f1=N 62. Nb6 Kc7 63. d8=N Nc5 64. Ndc6 Ng8 65. e7 >Nf5 66. Nd3 Ne6 67. N6d4 Ndf6 68. e8=N+ Kd8 69. Nd6 Ne8 70. Ne2 Nf1g3 71. >Nge3 Ne4 72. Nf3 N1g3 73. Nf1 Nb3 74. Nbc4 Nbc5 75. Na5 Nb7 76. Nb3 Nb4 77. >Nb5 Nc6 78. N5c3 N4c5 79. Na6 Nd7 80. Na2 Ne4 81. Nac5 N4d6 82. Ne4 Nf7 83. >Nef2 N5d6 84. Nhg4 Nhf4 85. Nh3 Nd5 86. Ngf2 N5b6 87. Ng4 Ndc8 88. Nge3 Nd5 >89. Ng2 Ndb4 90. Nge3 Na6 91. Ng2 Nef6 92. Nge3 Ke8 93. Ng2 Nh7 >* > >Uri Hi Uri If you had posted just a few minutes sooner you'd have saved me the trouble. I didn't take it all the way, I just got the pawns unlocked. Best Dan H.
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