[gnugo-devel] New edge joseki patch

[SP lee]

Below is a patch for edge joseki. It is originated from the move 71 in the twogtp game I referred to before in http://mail.gnu.org/archive/html/gnugo-devel/2004-02/msg00060.html, with the following situation.

 

   A B C D E F G H J K L M N O P Q R S T
19 . . . . . . . . . . . . . . . . . . . 19
18 . . O X . . . . . . . . . . . . . . . 18
17 . . O X X . . . . X . X . . . . . . . 17
16 . . . O . X . X . + O O . X . X X . . 16
15 . . . . . . . . . O . . . . . . O . . 15
14 . . . O . . . . . . . . . . X X O . . 14
13 . . . . . . . . . . . O . . . O . . . 13
12 . . . . . . . . . . . . . O . O O . . 12
11 . . O . . . . . . . . O . . . X O . . 11
10 . . O X . . . . . + . . . X . X O . . 10
 9 . . . . . . . . . . . . . . . X O . . 9
 8 . . X . X . . . . . . X . X X O . . . 8
 7 . . . . . . . . . . X . . . O . . . . 7
 6 . . X O X . . . . X . . . . . O . . . 6
 5 . . X X . . . . . . . O . . O X . . . 5
 4 . . . + O . . . . + X O . . O X . . . 4
 3 . X . O . . O . . X . X . O . O O . . 3
 2 . . . . . . . . . . . . . . . O X . . 2
 1 . . . . . . . . . . . . . . . . . . . 1
   A B C D E F G H J K L M N O P Q R S T

 

The block on L17 is really urgent. After this patch there is no regession change. I'm not sure if I should add a test case for this.

 

 

SP Lee

 

$ cvs diff -u patterns.db
Index: patterns.db
===================================================================
RCS file: /cvsroot/gnugo/gnugo/patterns/patterns.db,v
retrieving revision 1.124
diff -u -r1.124 patterns.db
--- patterns.db 24 Jan 2004 04:04:57 -0000      1.124
+++ patterns.db 22 Feb 2004 04:50:11 -0000
@@ -13552,6 +13552,30 @@
 :8,jcd

 

+Pattern EJ102
+#spl 3.5.5
+
+?XX..
+.O*O.   block is mandatory. Tenuki is disasterous
+.....
+.....
+-----
+
+:8,J
+
+
+Pattern EJ103
+#spl 3.5.5
+
+xXX??
+*O.OO   variations from EJ102
+.....
+.....
+-----
+
+:8,J
+
+
 ######################################################################
 #
 # Seki patterns.