Author: James Robertson
Date: 20:41:33 02/15/00
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On February 15, 2000 at 21:26:24, Dann Corbit wrote: >This position: [D]8/pp1p1p2/1p1P1P2/k7/8/1p4p1/1P4PP/2K5 w - - A diagram (I hope).... James >does not have a mate within 30 ply. > >Chest perked for about an hour and a half and found that there is no mate in 15. > >Does any program or solver find a checkmate? I am guessing it is beyond the >range of today's programs. However, it is fairly plain that h4 wins, and the >programs do choose that move. > >I find it odd that the programs I have tried promote to knight so that they can >take the black pawn on f7. I [personally] would promote to queen (would I >lose?) as it seems to me that I could clean up the back rank even faster, and >also a king cannot directly approch a queen like he can a knight. > >I am puzzled at the logic behind choice of knight on promotion. I would think >that +8 on the promotion (+9 for queen, -1 for losing the pawn) would far >outweigh the new knight and the pawn taken immediately.
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