Author: Stephen Ham
Date: 13:47:03 10/05/00
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Dear Ralf, I think this is meantioned at the website, but agree that some things are not easy to find when you want them. So I'll give you the answer from my point of view. My answer is this: I want the computer chess engines to be able to perform at their optimal levels. Franklin Campbell and Don Maddox (ChessBase USA) found that the computer chess engines teamed with fast Pentium III computers would reach a certain ply depth after 17-20 hours. To reach the next ply depth may require nearly twice that time and would thus tie up the computer operator's computer for 100% of the day, so they would never be able to use their computer. The solution was that Franklin Campbell of the ICCF agreed that he would start the chess engine when he was done with his computer in the evening. He would leave it running over-night and also while he was at work the next day. He would only stop the computer when he got home from work and then needed to use it to read/post e-mails etc. The primary choice of the chess engine was the move played. Then the process cycle would begin again for the next move. The result means two things to me: 1) the chess engine thus had 17-20 hours of calculation time, and 2) I had a new move waiting for me every day, so I had to respond quicly myself, in order not to get too far behind. Ralf, I hope this answers you question to your satisfaction. Thanks for your interest. Stephen
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