Author: James Robertson
Date: 22:21:20 09/03/99
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On September 04, 1999 at 01:03:26, Terry Ripple wrote: > >When i run engine vrs engine matches i set it that each engine plays white and >black in each opening, this way it totally makes it more fair! > >Regards,Terry I think not. It _will_ skew the results. For instance, say you pick the King's Indian and make both programs play it. It is a very hard opening for a program to play because black accepts a big space deficit in return for a kingside attack. Most (all?) programs don't understand this and as a result white has a _big_ advantage. So if you play two games between two engines, white has a good chance of winning both, even if one engine is a lot stronger than the other. Ditto for all Gambits and even a lot of other openings that 'seem' equal (and maybe for humans are). Maybe you pick a very tactical opening, or an opening that revolves around kingside attack. Some engines are worse tactically than others, but rely on their book to avoid tactical positions. This time, instead of the games being skewed in favor of a certain color, they are skewed in favor of a certain engine. My program's book is tailored to its needs, and fits its style. To separate the two will result in a _big_ decrease in playing strength. James
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