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HighApproachDoubleTsukeHane
  Difficulty: Dan level   Keywords: Joseki

[Diagram]
Diag.: hane

With black 5, black chooses to go for influence towards the right.


[Diagram]
Diag.: an unbranched sequence

After black 1, this sequence, in which black sacrifices two stones, is almost invariably played.


[Diagram]
Diag.: finishing the joseki

The joseki finishes with these moves. Black of course throws in at 1 to connect his stones, after which white extends to 2 or plays tenuki. Depending on the position, white 2 is sometimes played at 'a' as well. Neither side is in a hurry to capture the stones that are in atari, those are not worth much at the moment.


[Diagram]
Diag.: incorrect sacrifice

Although the two black stones are intended to be sacrifice, black should not hurriedly do so with 1 and 3 in this diagram. Black does build thickness, but his shape is not impressive, and he also ends in gote.


[Diagram]
Diag.: white's error

Thus, black first plays the forcing move at 1. If white answers at 2, black is now satisfied with playing the sacrifice manoeuvre of 3 and 5. The exchange of black 1 for white 2 is a very large plus for black. To avoid this result, white takes away a liberty from the black stones, which results in the joseki sequence.


[Diagram]
Diag.: After a white tenuki

As said, white often switches elsewhere rather than playing at 'a' (or 1). One option which is available for black is to push from above with 1, forcing white into a low position with 2.


[Diagram]
Diag.: Attack

Alternatively, black could attack with black 1, forcing white to walk out in awful shape.



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