Re: [gnugo-devel] trevor_1_17.10

[Gunnar Farneback]

Trevor wrote:
> http://www.public32.com/games/go/trevor_1_17.10.tar.gz
>  - new test suite.
> 
> This is a set of 13x13 games with GNU Go 3.0.0 (Black) vs.
> GNU Go 3.1.17 (White).  Before taking a look at them, make
> sure to apply patch trevor_1_17.11, as it corrects a number
> of the simplest blunders.

What were the win/loss statistics for these games?

I don't understand test 690. After the recommended move at M5, black
can still destroy the corner with M2. Wouldn't white M2 or M3 be
better?

The patch below fixes a few more of the easier test cases in trevorb
(180, 250, 340, 530, 540, 870, 910). Btw, 250 and 340 are identical
except for a rotation of the board.

/Gunnar

Index: engine/shapes.c
===================================================================
RCS file: /cvsroot/gnugo/gnugo/engine/shapes.c,v
retrieving revision 1.19
diff -u -r1.19 shapes.c
--- engine/shapes.c     15 Dec 2001 14:35:26 -0000      1.19
+++ engine/shapes.c     17 Dec 2001 16:46:55 -0000
@@ -301,8 +301,8 @@
     TRACE("...expands territory\n");
     add_expand_moyo_move(move);
     TRACE("...expands moyo\n");
-    set_minimum_move_value(move, 27 * board_size / 19.0);
-    TRACE("... minimum move value %f\n", 27 * board_size / 19.0);
+    set_minimum_move_value(move, 27);
+    TRACE("... minimum move value %f\n", 27);
   }
 
   /* Pattern class j, less urgent joseki move. Add expand territory and
Index: patterns/barriers.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/barriers.db,v
retrieving revision 1.11
diff -u -r1.11 barriers.db
--- patterns/barriers.db        28 Nov 2001 21:22:54 -0000      1.11
+++ patterns/barriers.db        17 Dec 2001 16:46:55 -0000
@@ -1765,4 +1765,39 @@
 >non_xterritory(f);
 
 
+Pattern Nonterritory19
+# gf New pattern. (3.1.18)
+
+.?
+*X
+.O
+
+:8,t
+
+b?
+*X
+aO
+
+;oplay_attack(*,a,a) && safe_omove(*)
+
+>non_xterritory(*);
+>non_xterritory(b);
+
+
+Pattern Nonterritory20
+# gf New pattern. (3.1.18)
+
+*X
+.O
+
+:8,t
+
+*X
+ab
+
+;attack(b) && oplay_attack(*,b)
+
+>non_oterritory(a);
+
+
 # END OF FILE
Index: patterns/endgame.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/endgame.db,v
retrieving revision 1.14
diff -u -r1.14 endgame.db
--- patterns/endgame.db 15 Dec 2001 14:35:26 -0000      1.14
+++ patterns/endgame.db 17 Dec 2001 16:46:56 -0000
@@ -1330,9 +1330,8 @@
 ; omoyo(b) && lib(A)==2
 
 
-
 Pattern CE25
-# tm  New pattenrn (3.1.15)  (see trevora:320)
+# tm New pattern (3.1.15)  (see trevora:320)
 
 O*X
 XX.
@@ -1344,6 +1343,14 @@
 
 ;lib(a)==2
 
+
+Pattern CE26
+# gf New pattern. (3.1.18)  (see trevorb:870)
+
+O*O
+X.X
+
+:|,b
 
 
 ######################################################################
Index: patterns/patterns.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/patterns.db,v
retrieving revision 1.35
diff -u -r1.35 patterns.db
--- patterns/patterns.db        15 Dec 2001 14:35:27 -0000      1.35
+++ patterns/patterns.db        17 Dec 2001 16:47:16 -0000
@@ -3665,6 +3665,7 @@
 
 
 Pattern EB306
+# gf Don't attach a weak stone. (3.1.18)
 
 ??.?          extend and attach
 X*.O
@@ -3674,6 +3675,14 @@
 
 :8,OXe
 
+??.?
+B*.a
+....
+....
+----
+
+;!weak(B)
+
 
 Pattern EB307
 
@@ -8763,6 +8772,15 @@
 :8,OX,shape(2)
 
 
+Pattern CB335
+# gf New pattern. (3.1.18)
+
+x.O
+X*.
+O.o
+
+:8,bOX
+
 
 ######################################################################
 #
@@ -9047,13 +9065,14 @@
 
 
 Pattern ED22
+# gf Added b classification. (3.1.18)
 
 ??*?          sente endgame (maybe rather middle game) move
 ..XO
 ..X?
 ----
 
-:8,XOd,followup(5)
+:8,XOdb,followup(5)
 
 ??*?
 ..AO
@@ -9064,13 +9083,14 @@
 
 
 Pattern ED23
+# gf Added b classification. (3.1.18)
 
 ??*O          sente endgame (maybe rather middle game) move
 ..X?
 ..X?
 ----
 
-:8,XOd,followup(5)
+:8,XOdb,followup(5)
 
 ??*O
 ..A?