Author: Steve Timson
Date: 00:46:36 01/25/02
Go up one level in this thread
>obviously that is evaluation function. NOT singular extensions. >your evaluation is too optimistic about 3 pawns vs piece. While seeing the solution early is driven by 'faulty' eval, singular extensions are definitely helping to see it much faster than the non-SE version. SE version 1st switches to the solution at ply 8 after 2.2 seconds. By the 10th ply, and 19 seconds it has a +3.03 score. Non SE version 1st switches to the solution at ply 10 after 10 seconds. It takes it until 15 ply and 167 seconds to see the +3.03 score and pv (that is seen at 10 ply with SE). So the shallow solution is seen in 1/5 the time with SE and the deeper solution is seen in 1/8 the time. Not that either of them are solutions for the right reason. So SE is helping chester to apply its faulty eval faster... :)
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