[gnugo-devel] small tuning patch

[Gunnar Farnebäck]

This new pattern solves the frequent problem which can be seen in
testcases gunnar:81,83. It also solves trevorb:900 and gets a rather
accidental fail in strategy3:101.

/Gunnar

Index: patterns/patterns2.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/patterns2.db,v
retrieving revision 1.79
diff -u -r1.79 patterns2.db
--- patterns/patterns2.db       19 Mar 2005 00:02:13 -0000      1.79
+++ patterns/patterns2.db       6 Apr 2005 14:17:08 -0000
@@ -3063,6 +3063,23 @@
 >defend_against_atari(a)
 
 
+Pattern Sente13e
+# gf New pattern. (3.7.4)
+
+*.O
+?O?
+
+:8,sO
+
+*ba
+?O?
+
+;lib(a) == 2 && !attack(a) && olib(b) > 2 && safe_omove(*)
+;&& safe_xmove(b) && oplay_attack(*,b,b)==WIN
+# Action adds a reverse followup value.
+>defend_against_atari(a)
+
+
 Pattern Sente14
 
 OXx