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SanRenSei

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CentralLine

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Fuseki
NiRenSeiFuseki
AHoshiMokuhazushi...
MiaiInTheFuseki
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DummyGameThree

 

San Ren Sei Fuseki
    Keywords: Opening, Go term

San Ren Sei means roughly "Three Star(point)s in a Row" in Japanese.

It is the name applied to the formation below. It is one of the most popular fuseki for Black in modern Go. Its most famous supporter and promoter among the top professionals is undoubtedly Takemiya Masaki who invariably plays it as Black.

[Diagram]
Diag.: Opposing San Ren Sei

Here both Black and White continue from an initial Ni Ren Sei and set up San Ren Sei formations on opposite sides of the board. Although this approach for White is possible, it is probably more common in actual play to see White use 6 to approach B's formation at 'a'.

Choosing the San Ren Sei is a narrower strategy than moving around more speedily from a Ni Ren Sei formation. Black concentrates his resources on only one side of the board and waits to see how White will try to handle the situation. Despite having played on only one side, Black is ready to react in a flexible way to White's follow through. The San Ren Sei is an influence based approach rather than a territory oriented one. Black will naturally tend to build large, relatively loose frameworks that only turn into territory later in the game as the middle game struggle progresses. It is a fighting approach as White is usually forced to invade Black's framework(s) in order to prevent them from turning entirely into territory.

DaveSigaty

It is possible for a San Ren Sei to turn into a Yon Ren Sei.

--unkx80

See also: Sanrensei simplest comments,Takemiya Style San Ren Sei, Sanrensei, low variant



This is a copy of the living page "San Ren Sei Fuseki" at Sensei's Library.
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