Author: Robert Hyatt
Date: 18:43:05 09/11/03
Go up one level in this thread
On September 11, 2003 at 21:19:30, Bob Durrett wrote: >I have been comparing the top engines [on the same computer] by evaluating the >same position, sequentially, with each engine. Many examples so far, but in >every case the time required to get to a given search depth is MUCH longer for >Crafty. Why is that? Also, does it matter in terms of playing strength? Why is that? Different pruning rules. Commercial programs are doing some interesting forward pruning stuff. The only forward pruning I am using is null-move. (I assume you are not comparing junior in this mix since junior has a different meaning for "ply" than the rest of us). > >Could it be that Crafty's findings at depth = 12 are just as good as Junior's >findings at depth = 16? You simply can't compare depths. IE compare chessmaster to junior and then decide which is better based on that. :) > >If Crafty could find a way to do just as much useful computation in half the >time [on the same computer], it would play better. Right? [Obviously.] > >Maybe Crafty 19.03 is wasting too much time on non-essential >computations!!!!!!!!!!!! > >Bob D.
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