Author: Vincent Diepeveen
Date: 06:28:19 06/26/01
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On June 25, 2001 at 13:25:08, Robert Hyatt wrote: >On June 25, 2001 at 12:56:26, Artem Pyatakov wrote: > >>I have decided to keep track of attack tables in my program, because I think >>they will save computation time in the eval. >> >>My question now is this, given the experience of most people in this group, what >>is the most useful info to keep in the attack table? >> >>Should I just keep the number of times that white is attacking the square and >>black is attacking the square? Or is it very useful to keep track of what actual >>pieces (and on what position on board) are attacking the square on both sides? >> >>Or is it some other kind of attack info? >> >>Thanks for all of your responses. > > >If you are going to do this, the "counts" are pretty useless. You need to >know which pieces are attacking a square. IE if I have two pawns attacking >the square and you have a rook and queen attacking the square _I_ control it. They are pretty useful in fact in many cases in DIEP. In crafty eval is so just a few pages, so i can imagine you don't want to generate this info as you can use it nowhere in eval! Best regards, Vincent
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