Author: Eric Oldre
Date: 08:44:08 06/16/05
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On June 16, 2005 at 05:26:11, Vasik Rajlich wrote: >On June 15, 2005 at 16:36:54, Eric Oldre wrote: > >> >>I was wondering if anyone would like to volunteer any tricks they've >>used to help find certain bugs in their search function. >> >>I think that the ideas of using perft for move generation and >>reversing the board to find bugs in the evaluation have both >>been really useful to me. I was wondering if anyone has used >>techniques similar to these to help find search bugs. >> >>I understand that just because a engine can properly pass these >>and other tests doesn't mean it's free of bugs. But they certainly >>help detect at least some of them. >> >>I'm certain that there must be plenty of bugs in Latista's search >>and I think it's time for me to work on discovering them. If >>you don't have any automated tricks like above. Does anyone >>have any general advise to help me spot some bugs? >> >>Eric Oldre >> >>PS. I have at various spots in my program tried to follow a similar >>model of asserts as in fruit. I'm sure taking some time to >>do this at more parts of my program would help. > >For stepping through variations when you don't understand what the search is >doing, try using Chant. You can get this from the CC search engine IIRC. I use >it (although rarely now) ... > >Vas Wow, chant certainly seems like a very interesting tool. I'll try playing with the evaluation version for a bit and purchase if I like it. Thanks! Eric
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