Enclosing Block

Definition

A block is called an enclosing block of a region if it has at least one adjacent point the belongs to the region, and at least one adjacent point that does not belong to the region.

Example

EnclosingBlocks.png

Figure 1: Blocks marked A, B, and E are enclosing blocks. Block C is an interior block, while Block D is a defending block.

GoTraxx

The ColorEnclosedRegion classifies all adjacent blocks as enclosing, interior, attacker or defender blocks.

References
Martin Müller. Playing it safe: Recognizing secure territories in computer Go by using static rules and search. In H. Matsubara, editor, Game Programming Workshop in Japan '97, pages 80-86, Computer Shogi Association, Tokyo, Japan, 1997.

Last edited Aug 11, 2007 at 8:02 PM by tgiphil, version 7

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