Re: [gnugo-devel] An interesting regression case

[SP LEE]

Similarly, owl:192 has to be changed by the following patch.

SP Lee

Index: owl.tst
===================================================================
RCS file: /cvsroot/gnugo/gnugo/regression/owl.tst,v
retrieving revision 1.80
diff -u -r1.80 owl.tst
--- owl.tst     26 Jun 2003 13:50:52 -0000      1.80
+++ owl.tst     1 Jul 2003 13:37:22 -0000
@@ -709,7 +709,7 @@
# See also test case golife:7
loadsgf games/golife.sgf 46
192 owl_attack E5
-#? [1 F3]*
+#? [0]



> From: "SP LEE" <address@hidden>
> Reply-To: GNU Go development <address@hidden>
> To: address@hidden
> Subject: [gnugo-devel] An interesting regression case
> Date: Mon, 30 Jun 2003 20:59:36 -0700
>
> I'm not sure if gnugo got the whole idea, but it happens to be right in the 
> regression golife:7.
>
> # See also test case owl:192
> # F3 does kill black.
> #
> #    A B C D E F G H J
> #  9 . . . . . . X O . 9          O=white
> #  8 X X . O . O X X O 8          X=black
> #  7 O X O . . O O O . 7
> #  6 O O O X X X O . O 6
> #  5 . . X . X O . O X 5
> #  4 . . X 3 4 X O O . 4
> #  3 O . X . 2 1 O . . 3
> #  2 . O . X X X X O . 2
> #  1 . . . 7 . 6 5 . . 1
> #    A B C D E F G H J
> #
> loadsgf games/golife.sgf 46
> 7 gg_genmove white
> #? [F3]*
>
> Because of the complication of the corner, black can't be killed by W:F3. 
> For example, W:F3, B:E4, W:G1, B:C1, W:C2, B:A4, W:B4, B:B3, W:A5, B:A2, 
> W:A1, B:D1, where W has to let B to make an eye at E1. Gnugo does see the 
> good W move at A4, but maybe missing the details thereafter.
>
> Therefore, the following patch removes this test case.
>
> SP Lee
>
> Index: golife.tst
> ===================================================================
> RCS file: /cvsroot/gnugo/gnugo/regression/golife.tst,v
> retrieving revision 1.22
> diff -u -r1.22 golife.tst
> --- golife.tst  22 Jun 2003 17:12:12 -0000      1.22
> +++ golife.tst  1 Jul 2003 03:52:23 -0000
> @@ -45,9 +45,11 @@
> #  1 . . . 7 . 6 5 . . 1
> #    A B C D E F G H J
> #
> -loadsgf games/golife.sgf 46
> -7 gg_genmove white
> -#? [F3]*
> +#Wrong defense sequence for W. One of the good sequences is:
> +#W:F3, B:E4, W:G1, B:C1, W:C2, B:A4, W:B4, B:B3, W:A5, B:A2, W:A1, B:D1
> +#loadsgf games/golife.sgf 46
> +#7 gg_genmove white
> +##? [F3]*
>
> # Connecting the one point ko at G5 is too small. Either C2 or G1 looks
> # largest.
>
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