4-5 point 4-3 approach ogeima, contact

  Difficulty: Advanced   Keywords: Joseki
[Diagram]

Contact play

After the 4-5 point 4-3 approach ogeima, the contact play at W1 may look like an obvious choice but it is not considered joseki. White may expect a-b-c for a peaceful result but Black will cut at b instead, leading to a fighting variation which is in his favor.

[Diagram]

Contact play

If the corner diagonal across the board has a ladder breaker W5 may be played at W9 directly and White can get a good result.

Otherwise, the moves here are almost forced. Now white may choose between a and b but neither gives a good result.



Variation a

[Diagram]

Variation a

[Diagram]

Var a

[Diagram]

Var a

(W11 @ a)

White remains with only a few points of territory, against Black's influence.



Variation b

[Diagram]

Variation b

W1 here is also not leading to a good result

[Diagram]

Variation b

White lives small.


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