Author: Chris Carson
Date: 05:09:28 07/27/99
Go up one level in this thread
On July 27, 1999 at 02:29:03, Gregor Overney wrote:
>Using CM6000, I enjoy playing against different levels. What is the best way to
>implement this "level control" feature into a Chess program? Truncation of
>search depth? Adding randomness to score evaluation?
>
>If not too time consuming, it would be great to add such a "level control" to
>Crafty? - Or, do you know about settings for Crafty that make it play like an
>1800, 1900, 2000, and/or 2200 USCF rated player?
>
>Gregor
Here are some things I have tried, let me know your feedback:
Crafty (1200): Create Book = 10, Set Depth = 4 ply, Pondering = off,
Learning = 000, no endgame tablebases
Crafty (1400): Create Book = 20, Set Depth = 5 ply, Pondering = off,
Learning = 000, no endgame tablebases
Crafty (1600): Create Book = 30, Set Depth = 6 ply, Pondering = off,
Learning = 000, no endgame tablebases
Crafty (1800): Create Book = 40, Set Depth = 7 ply, Pondering = on,
Learning = 000, no endgame tablebases
Crafty (2000): Create Book = 50, Set Depth = 8 ply, Pondering = on,
Learning = 111, 3 piece endgame tablebases
Crafty (2200): Create Book = 60, Set Depth = 9 ply, Pondering = on,
Learning = 111, 3&4 piece endgame table bases
Variation on each rating can be made by using different opening books,
setting king safety, setting piece values, ect...
Best Regards,
Chris Carson
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