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Four star points box formation
Keywords: Opening, MiddleGame, Strategy
![[Diagram]](../../diagrams/8/aa660886429472e2f61d453d4f6bf906.png) | Box framework |
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 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.
![[Diagram]](../../diagrams/50/38ab587087e52221d098074e8a18a9fa.png) | Standard invasion |
White's invasion at , accepting that Black can attack with , is the normal way to invade. The immediate 3-3 invasion at a would play into Black's hands.
![[Diagram]](../../diagrams/6/457c046f9ca73757ba196c46759cecd6.png) | Standard reduction |
To perform a shallow reduction, White typically chooses a 10-7 point like here. Black will find it hard to consolidate the whole framework now.
Charles Matthews
This is a copy of the living page
"Four star points box formation" at
Sensei's Library.
2003 the Authors, published under the OpenContent License V1.0.
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