Author: J. Wesley Cleveland
Date: 11:31:26 05/27/99
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On May 27, 1999 at 12:01:30, Will Singleton wrote: >On May 27, 1999 at 11:32:55, KarinsDad wrote: > >>The thought occurred to me that there are positions which are drawn due to >>massive pawn chains that prevent either king from entering into the opponent's >>position and hence, prevent any improvement for either side. >> >>Granted, positions like these (and I do not have an example) will result in an >>eventual draw by repetition or draw by 50 move rule, however, I was curious >>whether any of the chess programs detect a draw way before this occurs. >> >>Does anyone have any information on this for any program? >> >>Thanks, >> >>KarinsDad :) > >I have been thinking about this, but more as it relates to closed positions in >the middlegame as well as the ending. I've seen that in several games recently >good players will construct a pawn-chain in such a way as to leave me with a >bishop of the same color as my pawns, while theirs controls the open diagonals. > >I have some code to recognize "pawn-rams", and to try and limit them. But I'm >going to try and penalize this bishop/pawn color business, and hope to avoid >these closed positions. > >As far as recognizing a draw from a pawn-chain, I'd say it would be very >difficult to account for small differences in positions, some may be draws, >others not. That's beyond my current approach. > >Will Hash tables often work well here.
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