Re: [gnugo-devel] pattern-based reading spinoffs (27.7)

[Trevor Morris]

At 06:49 AM 2/26/2002 -0800, Daniel Bump wrote:
>
>Trevor wrote:
>
>> http:/www.public32.com/games/go/trevor_1_27.7
>>  - KOMASTER_SCHEME 4 introduced
>
>Could you give an example to show why komaster scheme 4 is
>needed by the pattern based reading code?

Uncomment the following read_attack.db pattern:

## This pattern can break ko-masters, but is not good for much else
Pattern RA000ko

?XO?    take the ko!
X*XO
?XO?

:8,A,value(99)


Run with EXPERIMENTAL_READING enabled on the attached SGF file,
and all current KOMASTER Schemes blow up.  Currently, scheme 4,
which was designed to avoid this sort of problem, breaks too.

-Trevor

$ cat gnugo/regression/games/ko6.sgf
(
;
FF[4]
GM[1]
SZ[9]
AP[Jago:Version 4.18]
AB[cf][df][de][dd][cd][dc][ed][fd][fc][fe][ff][gf][gd][ef][dg][fg][ee][he][be]
AW[dh][di][ei][fi][fh][gh][gg][hg][hf][ie][if][id][hd][hc][gc][gb][fb][fa][ea][d
a][db][cb][cc][bc][bd][ad][ae][af][bf][bg][cg][ch][eg][ec]
)