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five liberties comments
Path: GiveMeLiberties · Prev: FiveLibertiesForTacticalStability · Next: TheEmptyTriangleIsBad
Keywords: Tactics
One idea of Wilcox's that I have found useful is that you do not have to worry about damezumari of a group that has at least five dame. It is not something that I had used as a guide, but now when a group has only four dame I check the tactical situation. Recently I watched a game in which a Japanese 6-dan made a mistake by reducing his own dame to four by answering a ko threat. A neighboring group was loosely connected to the one with four dame, and that group had only two dame. By throwing in a stone, his opponent made the connection cost two dame to the first group, yielding a combined group with only two dame. Then came the devastating atari. Wilcox's dictum (EZGO) that a group with five dame is safe from damezumari is wrong. For instance, by adding another loosely connected group to the example above the danger comes when the first group has 6 dame. But the converse is true. Any group with fewer than 5 dame should be checked for damezumari as a matter of course, and one should be wary of reducing one's dame to 4. A strong tactician has no need for such advice, but it can help the rest of us avoid blunders. Path: GiveMeLiberties · Prev: FiveLibertiesForTacticalStability · Next: TheEmptyTriangleIsBad This is a copy of the living page "five liberties comments" at Sensei's Library. ![]() |