________________________________ From: "dhillism...@netscape.net" <dhillism...@netscape.net> > I have a similar rule in my program, but I search for neighbors in a square > region because I am interested in Knight's moves and Monkey Jumps. Here's an interesting scenario: A row of stones high on the fifth line, open on one side. A long knight's move invasion to the edge might be very successful. It might never be considered by the 3-4-5-manhattan-3 rule because it is not on the 3,4,5 lines, and is not within a manhattan distance of 3 of any stone on the board. ( The long knight's move has a manhattan distance of four - but it is a quite solid connection in many cases. ) These scenarios, being uncommon, are unlikely to occur even in a long series of games, but a savvy opponent would delight in laying such traps. I suspect that such rules might be most useful with an arbitrary cutoff at move 50 or some such point. After that, they don't discriminate much, and may weed out good moves.
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