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Re: [gnugo-devel] Semeai code redesign

From: Evan Berggren Daniel
Subject: Re: [gnugo-devel] Semeai code redesign
Date: Sat, 5 Apr 2003 17:39:56 -0500 (EST)

On Sun, 6 Apr 2003, Gunnar Farneback wrote:

> If more people want to help I could certainly use more test cases.
> Things like big eye against small eye or big eye against no eye but
> lots of liberties would definitely be useful. Test cases ending in ko
> would also be interesting.
> Evan pointed out that the recent NNGS game
> uno-gnugo-3.3.17-200304052111.sgf had a big semeai misunderstanding in
> the upper left near the end of the game. That could be a good source
> for a few test cases if someone took the time to determine exactly
> what went wrong and when it did.

I'll put together some test cases from that this evening, if no one beats
me to it.

I don't know whether gnugo manages to create semeais when playing itself,
but you might get some interesting testcases with matcher_check, by

matcher_check --program 'gnugo_new_semeai --mode gtp --quiet' --stable
'gnugo_old_semeai --mode gtp --quiet' --noilcheck --sgffile semeai.sgf

This will only produce cases that gnugo can get itself into, and only
highlight differences between the two versions, not errors common to both,
but that might be useful to leave running overnight.

Evan Daniel

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