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Re: [gnugo-devel] superko violation ?
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From: |
Gunnar Farnebäck |
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Subject: |
Re: [gnugo-devel] superko violation ? |
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Date: |
Thu, 02 Feb 2006 21:34:18 +0100 |
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User-agent: |
EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/21.3 (sparc-sun-solaris2.9) MULE/5.0 (SAKAKI) |
Alain wrote:
> my bot played this, and wants to plays A6 which lead to exactly the same
> position as 2 moves before.
>
> kgsgtp.2.6.12 says it is ko violation.
>
> i tried various gnugo 3.4 3.6 3.7.8 they all want to play A6
> Is this a superko ?
Yes, it's a positional superko violation. GNU Go has no such detection
implemented, although it's a long standing TODO item.
Perhaps more interesting are the mistakes in playing the semeai,
leading up to the superko position. For example move 208 at E2 or C1
would have avoided all trouble.
/Gunnar