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This situation turned up in a game against Many faces of Go. Does 36 break the ladder? Would it if it were one point up, down, left or right?
Black fails to capture white if he plays the ladder like this.
If Black makes use of the two stones on already on the lower edge, playing 72 to bend the ladder, he does manage to capture white.
If Black were to play 36':
one point up, the ladder bumps into it and works "easily";
one point down, white white 4th line stone saves white, again obviously;
one point left, white escapes - this is the same as the one point down
case;
one point right, black captures, this black stone and the white stone
"cancel each other" leading to a standard ladder all the way to the edge
of the board.
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British Go Association
Last updated 2004-08-10
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