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Good Empty Triangle
Keywords: Shape
Efficiency is one aspect of shape. Late in the game, especially, it can be obviously correct to make an empty triangle and making an empty triangle can also be the vital point. Example 1
unkx80: I don't think it's so much about overconcentration. I believe that it's got more to do with destroying White's eye shape.
Bill: Well, it is a question of emphasis, isn't it? Anyway, let's take away the
This is fine for both players, no? Black does not need an extra stone. Example 2
This problem comes from the Tesuji Dictionary, by Segoe Kensaku and Go Seigen. They say that if you get this one right, you are 5 dan. (Of course, you have a big hint. ;-)) Example 3
The sequence of
This is a copy of the living page "Good Empty Triangle" at Sensei's Library. ![]() |