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Re: [gnugo-devel] Uncertain defense certainly bad (updated pattern)

From: SP LEE
Subject: Re: [gnugo-devel] Uncertain defense certainly bad (updated pattern)
Date: Tue, 01 Jul 2003 23:34:35 -0700

I have removed this pattern and have run all the regression tests. The result:

./ . owl.tst
4 unexpected FAIL: Correct '1 C12', got '1 B14'
80 unexpected PASS!
./ . neurogo.tst
13 unexpected FAIL: Correct '!P7', got 'P7'
./ . lazarus.tst
16 unexpected PASS!
./ . arend.tst
4 unexpected FAIL: Correct 'R14|S15|R17', got 'S16'
./ . nngs3.tst
390 unexpected PASS!
1000 unexpected PASS!
./ . nngs4.tst
470 unexpected PASS!
./ . arend2.tst
50 unexpected FAIL: Correct 'S14', got 'T13'

Sorry, there is one more failed case:

./ . handtalk.tst
10 unexpected FAIL: Correct 'E9|F8', got 'C11'

I'm checking it now.

SP Lee

I have added two restrictions to this pattern by the following patch.

Index: owl_defendpats.db
RCS file: /cvsroot/gnugo/gnugo/patterns/owl_defendpats.db,v
retrieving revision 1.99
diff -u -r1.99 owl_defendpats.db
--- owl_defendpats.db   25 Jun 2003 15:55:15 -0000      1.99
+++ owl_defendpats.db   2 Jul 2003 06:06:58 -0000
@@ -484,13 +484,15 @@
Pattern D123
# tm New Pattern (3.1.17)
# tm Modified (3.1.18)
+# spl added more restrictions (3.3.23)

-??*??  expand eye shape, not in corner
+??*O?  expand eye shape, not in corner


Pattern D124

Thus there must be an own stone left or right to * and there must be no own stone above *. Now there are less regression breakage. For move 104 of Dan's game, it played P9.

owl:80 pass
lazarus:16 pass
nngs3:1000 pass
handtalk:10 fail  Correct 'E9|F8', got 'C11'
arend2:50 fail Correct 'S14', got 'T13'

The failed cases seem to not only related to owl analysis and I have difficult to understand the gnugo's decisions.

SP Lee

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