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5-5 point
Path: CentralLine   · Prev: 54Point   · Next: 64Point
  Difficulty: Advanced   Keywords: Opening, Joseki

[Diagram]
Opening at a 5-5 point

The 5-5 point has occasionally been used as the first play in the corner. The idea was experimented with during the New Fuseki era, often with the intention of forming a three-stone enclosure by adding further stones at the points marked a (pillbox). More recently, 5-5 point openings have been used with success by Yamashita Keigo (especially in the Gosei tournament -- a pun on the word go, which also means "5" in Japanese).

Dave Sigaty: Pieter Mioch has a nice introduction to the 5-5 point in part VII of his [ext] gentle joseki series.



[Diagram]
Donzet-Takemiya

There are not so many chances to see 5-5 patterns in action in pro games. This is from a fun 'even' game between the French amateur 5 dan Frederic Donzet, and Takemiya. Something like this happened, with Takemiya playing a high wedge as a reduction of Black's side of the board, concentrating on getting out to the centre and leaving Black with aji around a.

This was played at a party after the 2000 WAGC; the interest is that Takemiya had clearly observed one of Donzet's games using this type of 5-5 opening, and wanted to make a comment in a pleasant way. So Takemiya made a sanrensei against 5-5 points and watched how Black tried to develop them.

Charles Matthews



DaveSigaty: There was an interesting game using 5-5 handicap stones in November 2002 between Kato Masao, Honinbo and Samejima Ichiro, Amateur Honinbo. Here is the beginning of the game.


Kendrah : what are the pro's and con's of opening at the 55 point? I find it kinda a fun concept, but I don't think I know enough about go to realize if it helps or hurts me. thanks :D


See also 3555 enclosure.



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This is a copy of the living page "5-5 point" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.