Author: John Merlino
Date: 16:30:01 11/29/01
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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
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