One could use the heuristic that the outside is larger than the inside, but perhaps a situation can be created where this is not true. This might even be something beginning Go players could see/ understand.

Peter Drake
Assistant Professor of Computer Science
Lewis & Clark College
http://www.lclark.edu/~drake/




On Nov 22, 2006, at 2:07 PM, Chrilly wrote:

Attached is a very simple position which adresses the problem of what is inside and what is outside. A seemingly logical definition of inside is that the point is enclosed by stones of one color and/ or the border. Or the fireman-algorithm. If one traverses along an own wall and/or the border in the same direction and comes back to the point. But in the given position a3 and all the other 257 intersections are according this definition also "inside". It would never come to the mind of a human player the the 3 black stones enclose the 257 intersections. The message is: Tasks which are for a human completly trivial are hard to formalize.

Chrilly
<InsideOutside.sgf>
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