Author: Bruce Moreland
Date: 23:59:37 07/02/01
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On July 02, 2001 at 20:46:33, Mike S. wrote: >On July 02, 2001 at 18:40:58, Ralf Elvsén wrote: > >>Thank you for these data. Do you think the increase in the >>percentage of occurances is due to higher quality of the >>programs, i.e. less early wins due to foolish mistakes? > >I think so. The decision may still have occured earlier, but obviously not so >early, or less often so early (in average), that the games can end during the >middlegame or early endgame to the same percentage as in the past. > >Meanwhile I've had an idea, what the reason could be for the missing decrease of >the number of moves the XP-X database endgame is played: I think there may be >two effects which compensate each other. Not only the attacker, but also the >defender plays better due to tb use - and the latter may increase the number of >moves often, especially if the attacker doesn't use tbs. > >Regards, >M.Scheidl Lacking evidence, I think it makes sense that better play leads to endgames with a narrow margin, which seem likely to end up in database endings. Also, the programs are getting smarter about sacrificing a piece in order to escape into KRN vs KR or KRB vs KR when they are down a pawn or two. bruce
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