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Re: [gnugo-devel] josekis
From: |
Evan Berggren Daniel |
Subject: |
Re: [gnugo-devel] josekis |
Date: |
Mon, 17 Mar 2003 19:58:52 -0500 (EST) |
On Mon, 17 Mar 2003, Evan Berggren Daniel wrote:
> > gnugo played the `*' move. we really should do something about
> > this joseki variation. Evan?
>
> I'll look into it. My intuition is to do two things: make the pattern
> larger, and add a constraint that it not be playing in its own moyo, eg
> !omoyo(a), with a one or two points above the point *. I'm reluctant to
> make the pattern larger, because the move makes (more) sense if you swap
> the colors of the stones above (the joseki choice wouldn't, but...)
How about this? The danger is of course the push and cut, and I would be
reluctant to say that this constraint guarantees safety. I think it will
be an improvement though.
Evan Daniel
Index: patterns/hoshi.sgf
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/hoshi.sgf,v
retrieving revision 1.21
diff -u -d -r1.21 hoshi.sgf
--- patterns/hoshi.sgf 17 Mar 2003 21:57:27 -0000 1.21
+++ patterns/hoshi.sgf 18 Mar 2003 00:56:06 -0000
@@ -217,7 +217,11 @@
(;W[pg]MA[mi]C[U]
(;B[of]MA[mh]C[U];C[#nobi]
(;W[qe]MA[mi]C[U];C[#w crawls];B[qd]MA[mh]C[U]PL[W]
-(;W[qj]MA[nk]C[U];C[#standard joseki];B[nd]MA[mh]C[U])
+(;W[qj]MA[nk]C[U];C[#standard joseki];B[nd]
+C[U
+; !oterri(A)
+#overconcentrated in this case
+]MA[mk]LB[md:A])
(;W[qh]MA[nk]C[S];C[#alternative joseki];B[nd]MA[mh]C[U
]PL[B]