Author: John Merlino
Date: 08:46:27 11/30/01
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On November 30, 2001 at 05:16:33, Marc van Hal wrote: >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 That's why all moves that were played only once were removed. It (for the most part) eliminates blunders. jm
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