Author: Robert Hyatt
Date: 11:39:30 06/25/01
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On June 24, 2001 at 13:16:56, Chris Carson wrote: >On June 24, 2001 at 13:08:35, Mark Young wrote: > >>On June 24, 2001 at 03:25:13, Uri Blass wrote: >> >>>Fritz is better than 2600 in open positions and 2200 in closed position. >>> >>>2900 in open positions and 2500 in closed position seems to be more realistic. >> >>Interesting, I don't know if you are right are wrong with these numbers. Could >>you explain your reasoning behind them in more detail? >> > >Uri and Mark, > >I find this interesting as well. I have not looked at all the games (232) that >I have to check this. If either one or you wish to do this, let me know and I >will send you the latest set. I am inclined to think that Uri is correct when >you actually look at the games. > >Best Regards, >Chris Carson I don't think computers are 2500 in closed positions. If they were, they would be unbeatable. Neither are they 2900 in "open positions". Just find the Shirov game where he played Bh3 which was a forced win. See how long it takes a program to become convinced of that. Then think about what the human had to do as he calculated this to a forced win from the start. These kinds of positions show that there are some tactical positions where the computer is simply "out of it totally." In wild positions, with pieces hanging everywhere, yes they are tough. In positions with a deep forcing variation, they are like a duck out of water... very slow and clumsy, and easy pickings for "the fox". We are doing pretty good at the "mid-range tactics" because we are not searching like a human at all. But the "long-range tactics" are totally beyond the programs of today. And will be for many many years.
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