Author: William Kerr
Date: 11:31:52 05/25/02
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Hi Stan In the early 90's I wrote a chess program in C. It performed a depth first Alpha-Beta search with Killer moves. After I got all (most) of the bugs out of it I challenged it to Sargon 2.5 running on the Modular Game Machine (6502 at 2Mhz I believe). Sargon 2.5 killed by program. I then challenged Sargon 2.5 to Fritz 32 running on a PII 300 Mhz. Fritz killed Sargon 2.5. I then challenged my program which is called WKchess against Fritz 5.32 and it actually did quite well and lasted quite far into the end game with an even score until Fritz caugh its second wind then destroyed my program. I also challenged WKChess to a old commercial program I believe it was called Grandmaster chess which was on CD. My program destroyed this program in a very short number of moves (twice in fact). I have since added quiescence search at the end of the move tree but I think it dumbed down the engine due to bugs that I inadvertantly added as well. That was several years ago and have not the time to fix it, but I will soon hopefully. Programming a computer to play chess is fun and quite rewarding and also very time comsuming. Have Fun!!! Bill
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