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Under The Stones Sacrifice Shape List
Difficulty: Intermediate Keywords: Shape, Tactics
Sacrifice shapes which lead to the under the stones tesuji. Look out for these!
Anonymous: A more common name is Squared Four.
Kuolema: How does this lead to Under The Stones tesuji? Show me an example. unkx80: The third one is very rare compared to the first two, but it exists. An example is Under The Stones Problem 8.
unkx80: Making a more general statement, I believe the sacrifice stones may be the following shapes, with the optional addition of stones in the x direction or beyond.
Bill: The only (non-nakade) example I know of is in the corner, where it is not a question of an eye, but of points.
Black picks up 0.5 point.
OC, if we are going to include shapes where the question is points, there is no end. E. g., bent seventeen.
This is a 2/3 point Black sente (unless White is komaster, when it is worth 1 2/3 points).
Charles The one time it actually happened to me ...
... was when I made the mistake of playing
This is a copy of the living page "Under The Stones Sacrifice Shape List" at Sensei's Library. ![]() |