Author: Marc van Hal
Date: 02:16:33 11/30/01
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On November 29, 2001 at 19:30:01, John Merlino wrote: >On November 29, 2001 at 17:01:07, Mike S. wrote: > >>On November 29, 2001 at 16:38:41, John Merlino wrote: >> >>>On November 29, 2001 at 13:55:40, Roy Eassa wrote: >>>>Sorry if I missed them, John, but do you have any results or statistics on the >>>>results of the Chessmaster survey you posted awhile back? >>> >>>I didn't get very much useful data because only 24 people responded, and most of >>>the answers were either almost unanimous (and unsurprising) or completely >>>random. (...) >>> >>>That's really about it. Not much of use, except as, perhaps, an amusement. >> >>What about the "tasc database as an opening book" issue, in other words, to have >>Chessmaster use the "database findings" like an opening book? >> >>I've seen then and when CM being out of it's book and at the same time the >>database findings still provided useful move statistics from many master games. >>CM could use these like an opening book (maybe as an additional option, or >>adjustable). IIRC, that was how the tasc base program used to do it btw when >>playing a game. >> >>Now, these infos are displayed for the user, but CM itself doesn't utilize it >>for it's own play. >> >>I think this could really be an improvement, and shouldn't be too difficult to >>implement (as you have the database findings feature already). Furthermore, the >>benefit could even be bigger when the game collection is enlarged and updated >>either by you, or even by the users themselves. Or they could use special >>databases for that purpose, i.e. computer chess games when The King plays >>against another engine. >> >>Regards, >>M.Scheidl > >This has been done, in a roundabout way.... The new opening book (thanks to a >much larger format) has been created using CM8000's database (specifically, all >games where both players were at least 2400). All moves up to 40 plies from >these games were stored, and then any move that was made only once was removed. >The resulting book has over 280,000 moves (more than seven times the size of the >previous book). > >So far, testing has shown that this book is no worse than the CM8000 book. ;-) > >jm Games of 2400 versus 2400 can be prety bad though Then again if you know grap 1 game from the SSDF list you already can win from Chessmaster when it plays 1.d4 A game against Tiger Regards Marc van Hal
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