Author: Komputer Korner
Date: 10:35:04 10/05/98
Go up one level in this thread
On October 02, 1998 at 04:12:21, Ed Schröder wrote: >>>If I set the Pawn/square value for c4 high enough, KnightCap will play >>>c4 without an opening book :-) > >>Of course, every program can do this, but that's not what I wanted to know. What >>I meant was which program plays the queens gambit without book, without weird >>tuned piece square tables and without learning data (Ed, I think you use the >>database information for tuning the piece square tables, too, or are you doing >>some more sophisticated with it?), and - maybe this is the main point - _not_ >>because it can get back the pawn with Qa4+. > >Hi Steffen, > >I don't use the piece-square tables to make Rebel play 2.c4 > >I have made a chess tree from a good database. Rebel consults the chess tree and >finds for 2.c4 a good score (say 55%) in (say 4000) games with an average elo of >(say) 2400. > >Based on this data I add a "flexible" bonus to 2.c4 > >The bonus can vary from -1.00 to +1.00 > >Rebel gives the following information: > >Move % Games Bonus >2.c4 58% 17.806 +0.52 >2.Nf3 55% 6.775 +0.23 >2.e4 60% 379 +0.25 >2.Bg5 59% 299 +0.25 > >So based on the chess tree a 0.52 bonus is added to 2.c4 which will force >Rebel to play the move. > >- Ed - > > >>Greetings, >>Steffen. Ed I assume that the bonus is derived from some combination of the number of games plus the score %. Can you tell us the exact equation? -- Komputer Korner
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