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Re: [gnugo-devel] vital owl defense

From: Gunnar Farneback
Subject: Re: [gnugo-devel] vital owl defense
Date: Wed, 20 Nov 2002 00:43:46 +0100
User-agent: EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/20.7 (sparc-sun-solaris2.7) (with unibyte mode)

Arend wrote:
> While there are matching vital owl attack patterns, we make it harder
> for do_owl_defend to claim life (and hence cut the search).
> [...]
> This reduces owl nodes for nngs.tst by ~2% and probably gets exactly
> one PASS for the whole regression test suite (a good one).

I'm currently seeing a huge and rather negative regression delta,

owl:76          FAIL 1 O12 [1 (O10|N13)]
owl:135         FAIL 1 N17 [0]
owl:176         FAIL 0 [3 G1]
owl:178         PASS 1 T18 [1 (R19|T18)]
owl:223         FAIL 0 [3 S16]
owl:228         FAIL 1 D5 [0]
owl:262         PASS 0 [0]

Backing out arend_3_12.5 all of these disappear. Did something go
wrong with this patch?


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