Re: [gnugo-devel] endgame tuning

[Gunnar Farnebäck]

Evan wrote (on September 13):
> A new version of the patch is at
> http://www4.ncsu.edu/~ebdaniel/endgame.patch.  I would propose that
> the CC81 shape reduction should not be merged, though others are
> certainly welcome to disagree.

Some of the patterns have become redundant after the influence tuning
in gunnar_7_1.9. Appended is a revised version with the current
regression results:

endgame:850     PASS K4 [K4|J4|L4]
kgs:70          PASS B2 [B2]
olympiad2004:113 PASS J10 [!Q10]
3 PASS
Total nodes: 1641600701 3045184 12934555 (+0.14% -0.00046% +0.23%)

/Gunnar

Index: patterns/endgame.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/endgame.db,v
retrieving revision 1.60
diff -u -d -r1.60 endgame.db
--- patterns/endgame.db 3 Mar 2004 22:14:12 -0000       1.60
+++ patterns/endgame.db 13 Sep 2004 02:25:37 -0000
@@ -989,6 +989,27 @@
 :8,OXe,terri(0.1)
 
 
+Pattern EE806
+# evand new (3.7.1)
+# see kgs:70
+
+|.O??
+|.OX.
+|.*X.
+|....
++----
+
+:8,OXe,terri(3)
+
+|bO??
+|.OX.
+|.*Xa
+|....
++----
+
+;xmoyo(a) && omoyo(b)
+
+
 # second line extensions
 ########################
 
Index: patterns/patterns.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/patterns.db,v
retrieving revision 1.130
diff -u -d -r1.130 patterns.db
--- patterns/patterns.db        8 Sep 2004 17:03:42 -0000       1.130
+++ patterns/patterns.db        13 Sep 2004 02:25:43 -0000
@@ -9266,6 +9267,85 @@
 :8,OXe
 
 
+Pattern CB343
+# evand New pattern. (3.7.1)
+# Is there a better way to do this than r_followup, followup, and terri?
+# See gifu03:202.
+
+xX..
+..*.
+....
+..Oo
+....
+
+:8,OXe,reverse_followup(2),followup(1),terri(3)
+
+xXde
+..*.
+....
+..Oo
+.abc
+
+;omoyo(a) && omoyo(b) && omoyo(c) && xmoyo(d) && xmoyo(e)
+
+
+Pattern CB344a
+# evand New pattern. (3.7.1)
+# see endgame:850
+
+?X??
+.*.o
+O..O
+?..?
+
+:8,OXe
+
+?X??
+.*.o
+O..O
+?ab?
+
+;omoyo(a) || omoyo(b)
+
+
+Pattern CB344b
+# evand New pattern. (3.7.1)
+# see endgame:850
+
+?X??
+*..o
+O..O
+?..?
+
+:8,OXe
+
+?X??
+*..o
+O..O
+?ab?
+
+;omoyo(a) || omoyo(b)
+
+
+Pattern CB344c
+# evand New pattern. (3.7.1)
+# see endgame:850
+
+?X??
+..*o
+O..O
+?..?
+
+:8,OXe
+
+?X??
+..*o
+O..O
+?ab?
+
+;omoyo(a) || omoyo(b)
+
+
 ######################################################################
 #
 # Edge defend/attack patterns