[Computer-go] Specifying Chinese rules in SGF

Erik van der Werf erikvanderwerf at gmail.com
Mon Jun 23 14:16:14 PDT 2014

Just use "Chinese". It is mentioned in FF[3] (e.g., see
http://www.red-bean.com/sgf/ff1_3/ff3.html#Properties under Root
Properties). I see no reason why this would have changed.

<Flamebait> Notice that the Chinese rules don't really use positional
superko. The KGS version of the Chinese rules do, but the official
Chinese rules are a bit more sophisticated...</Flamebait>


On Mon, Jun 23, 2014 at 11:03 PM, Peter Drake <drake at lclark.edu> wrote:
> SGF(2) has a place to specify the ruleset, according to
> http://www.red-bean.com/sgf/properties.html:
> Property:	RU
> Propvalue:	simpletext
> Propertytype:	game-info
> Function:	Provides the used rules for this game.
> 		Because there are many different rules, SGF requires
> 		mandatory names only for a small set of well known rule sets.
> 		Note: it's beyond the scope of this specification to give an
> 		exact specification of these rule sets.
> 		Mandatory names for Go (GM[1]):
> 			"AGA" (rules of the American Go Association)
> 			"GOE" (the Ing rules of Goe)
> 			"Japanese" (the Nihon-Kiin rule set)
> 			"NZ" (New Zealand rules)
> How can we specify the Chinese rules normally used in computer Go?
> They're *almost* equivalent to AGA rules, but AGA uses situational superko
> while Chinese uses positional superko. The difference would only come up
> extremely rarely, potentially making for a nasty bug.
> For those who don't know these terms:
> http://senseis.xmp.net/?Superko
> --
> Peter Drake
> https://sites.google.com/a/lclark.edu/drake/
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