Author: Howard Exner
Date: 12:45:49 02/18/01
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On February 17, 2001 at 03:58:31, Ed Schröder wrote: >The "Chess Knowledge" parameter is in no way related to extensions. It is >known the parameter often has the side-effect of seeing tactical shots one >ply and in rare cases even 2 plies earlier. Thanks for the correction. My use of "extension" was wrong as I equated it to Rebel finding certain tactical moves a ply or two earlier as you mention. >Often positional values are >decisive for pruning which is one of the reasons for this behavior. But >this case is quite exceptional and I will have a look at it as the improvement >in solution time is quite dramatic for this one. I've found some other dramatic differences when Chess Knowledge is increased when finding best tactical moves. But of course there are trade-offs when CK is increased which may not be beneficial to the overall performance of Rebel. > >Ed
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