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Box Formation
Difficulty: Advanced
Keywords: Opening, MiddleGame, Strategy
This framework made from four stones has a simple geometry, but may not be easy in practice to handle as an even-game strategy. It became popular as one of the experiments in the shinfuseki time, particularly in 1934. It is still used in contemporary go. One of the difficulties is that the tengen play (marked stone) may be good-looking as part of a large-scale plan, but not large in territorial terms. This distinction is often lost on amateurs, who see that if White invades, Black can attack.
White's invasion at
To perform a shallow reduction, White typically chooses a 10-7 point like This is a copy of the living page "Box Formation" at Sensei's Library. ![]() |