Author: Uri Blass
Date: 11:06:30 05/22/03
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On May 22, 2003 at 13:02:05, José Carlos wrote: <snipped> >>Hi Uli, >> >>i do some kind of conditional delayed minor promotion move generation. >>Depending on the outcome of the queen promotion, assuming the queen promotion >>don't cuts, i omit all minor promotions or at least rook and bishop promotions. >> >>If the best reply of the opponent after doing the queen promotion is a capture >>of this queen, i see no need to even generate any minor promotion, except at the >>root and except knight promotion checks (maybe a rare double check). I also omit >>rook and bishop promotions, if the queen promotion returns no draw (stalemate) >>score. >> >>Gerd > > Sounds an intelligent approach, thanks for sharing. > > José C. Not for me for the following reasons: 1)minor promotion to a knight is not needed to be generated if capturing the promoted queen is good enough. 2)It is possible that the queen promotion is losing when the underpromotion returns draw score(stalemate). I simply did not consider the subject of underpromotions as important enough at this time so I did not implement the right ideas and there are other things that I consider as more important. Uri
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