Shimamura Formation

   
[Diagram]

19x19 diagram

Shimamura Formation is the result of B1, B3 and B5 in the diagram, first used in modern professional play by Shimamura Toshihiro in 1978. It is discussed in Charles Matthews [ext] Fuseki on Your Side Part 7.

See also 4-4 point low approach low extension, slide, 3-3.

John F. It was played much earlier, by Sugiuchi Masao, in 1963, and even Shimamura played it earlier in 1975.


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