RTG Problem 31

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  Difficulty: Intermediate   Keywords: Life & Death, Shape, Tactics, Problem, Question

RTG Problem 31

[Diagram]

dia. [0]: bad hane leads to this position: Status?


What is Black's, resp. White's status after WC?

/Attempts?
/Solution?

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[Diagram]

dia. [1]: A common fuseki/joseki

Tderz: For most of us this development is a common, resp. well-known invasion sequence.
WC and BC are not important for my forthcoming question, nor whether 3-3 should be played so early in the game.

[Diagram]

dia. [2]: White ends in sente, Black has very good shape.


BS is good shape. Sometimes however,
Black wants more ...
and gets less ...

[Diagram]

dia. [3]: bad hane - hane bad


Ok - one precondition - ladders to lower left corner should work for White.
B9 is preventing the ladder ...

[Diagram]

dia. [4]: bad hane - hane bad

B3 prevents again against the ladder.

Here comes the problem:
What will it be after W4?

1) Black will be captured, or
2) Seki, or
3) White will be captured, or
4) some if's, depending on

I wish all Senseis happy holidays!


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