[gnugo-devel] tuning patch

[Gunnar Farneback]

Some minor tuning. The owl tuning has no effect on the regressions but
can avoid some pointless variations.

/Gunnar

Index: patterns/owl_attackpats.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/owl_attackpats.db,v
retrieving revision 1.55
diff -u -r1.55 owl_attackpats.db
--- patterns/owl_attackpats.db  4 Mar 2002 06:49:09 -0000       1.55
+++ patterns/owl_attackpats.db  7 Apr 2002 13:10:51 -0000
@@ -3423,12 +3423,19 @@
 # tm New Pattern (3.1.20)  
 #   see also Pattern D1361 (both this and that are too generic)
 #   see trevorc:550, trevor:1050
+# gf Added constraint. (3.1.32)
 
 O.O         block to protect weakness
 X*.
 ?O?
 
 :8,-,value(35)
+
+a.b
+X*.
+?c?
+
+;!same_string(a,b) && (lib(a) <= 4 || lib(b) <= 4 || lib(c) <= 4)
 
 
 Pattern A1122
Index: patterns/owl_defendpats.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/owl_defendpats.db,v
retrieving revision 1.58
diff -u -r1.58 owl_defendpats.db
--- patterns/owl_defendpats.db  4 Mar 2002 06:49:09 -0000       1.58
+++ patterns/owl_defendpats.db  7 Apr 2002 13:10:52 -0000
@@ -5748,12 +5748,19 @@
 
 Pattern D1361
 # too generic; see resultant A1121, see also trevor:1050
+# gf Added constraint. (3.1.32)
 
 X.X         push to expose weakness
 O*.
 ?X?
 
 :8,-,value(65)
+
+A.B
+O*.
+?C?
+
+;!same_string(A,B) && (lib(A) <= 4 || lib(B) <= 4 || lib(C) <= 4)
 
 
 Pattern D1362
Index: patterns/patterns.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/patterns.db,v
retrieving revision 1.67
diff -u -r1.67 patterns.db
--- patterns/patterns.db        5 Apr 2002 23:02:10 -0000       1.67
+++ patterns/patterns.db        7 Apr 2002 13:10:56 -0000
@@ -2077,6 +2077,8 @@
 
 
 Pattern EC56
+# gf The constraint was too inexact, see match at B9 in score2:34.
+#    Replaced it by a connection constraint. (3.1.32)
 
 X*O?       Prevent opponent's connection under
 ...X
@@ -2084,11 +2086,11 @@
 
 :8,BO
 
-X*O?
-.abX
+B*O?
+...A
 ----
 
-;!oplay_attack(*,a,b,b)
+;oplay_connect(A,B) && !oplay_connect(*,A,B)
 
 
 Pattern EC57
@@ -4913,13 +4915,14 @@
 
 
 Pattern EB703
+# gf Added O classification. (3.1.32)
 
 ?O?         block on edge
 O.O
 X*.
 ---
 
-:8,Xb
+:8,OXb
 
 
 Pattern EB704