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It's not a matter of when a player cannot move ... it's when a player should not move. Your list of "winning" positions is calculable in theory, but not in practice. My initial reaction is that you would have to go forwards to find the positions, then go backwards.

One of the bigger issues that that Go, unlike Chess, has a number of identical positions. Not just considering the fact that the board is rotateable (which quadruples the number of "winning positions"), but that you could swap the NE and SW corners and have the same "winning position". Or, rotate a subsection of the board.

The rules and starting position of Chess dictate that a huge majority of the potential board arrangements can never be reached, which is why it's a much simpler game.

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In reply to Re: Re: Re: Looking backwards to GO forwards by dragonchild
in thread Looking backwards to GO forwards by gregor42

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