terry mcintyre wrote:
Has anyone tried implementing the ideas in Richard Hunter's "Counting
> Liberties"

My so far private theoretical study beyond his ideas has revealed the following: - He overlooks some details like exceptional cases and liberty counts for approach defects. (And he does not mention the trivial cases at all.)
- It may be suitable to include all L&D types in the classification.
- For non-trivial types, algorithms need to be developed in addition.
- Semeais with kos are more complicated than semeais without kos by a factor roughly between 100 and 1000. Firstly the number of cases explodes (already when there is only one basic ko). Secondly [endgame value] evaluation becomes much more difficult. Thirdly and obviously there are also peculiar ko shapes.

So although Hunter's study is a good fundament from which to start working (in expert systems or for becoming a stronger player), one should not expect complete generality prematurely.

--
robert jasiek
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