Author: KarinsDad
Date: 08:39:33 05/05/99
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On May 04, 1999 at 19:16:15, José de Jesús García Ruvalcaba wrote: >On May 04, 1999 at 15:59:25, KarinsDad wrote: > >>On May 04, 1999 at 15:03:01, Dave Gomboc wrote: >> [snip] >>> >>>I believe it. :) Did you implement PV or FH singular extensions (or both)? >>>Have you experimented with your margin at all yet? >> >>I do not understand these terms (if you could please explain them; I haven't >>been doing this type of stuff for long). There are two types of singular >>extension that I perform. The first is that of extending a move when it is the >>only move available (real simple). The other is that of extending a move when it >>is significantly better than all of the other choices. The determination of the >>significance varies in the search. Is this what you mean by margin? In any case, >>I probably need some work here. >> >>KarinsDad :) >> > > I think PV stands for 'preferred variation' and FH for 'fail high'. But I do >not know how or why are these kind moves singularly extended (or if it improves >playing strenght). >José. > Yes, I knew what PV stood for, but I did not understand if a PV singular extension meant that you only do them for the PV and you do them more often (or not). Thanks for the FH definition (I have seen the term alot, but not the abbreviation). And I'm still not 100% on margin (although this seems to be the delta between the best score and the next best score). Some of it makes more sense now, thanks. KarinsDad :)
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