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KanazawaSolutions

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KanazawaProblem47

 

Kanazawa Solution 47
Path: KanazawaSolutions   · Prev: KanazawaSolution46   · Next: KanazawaSolution48
   

[Diagram]
Diag.: Under the stones

The solution includes a ishi no shita tesuji. After White 1, a is a vital point.


[Diagram]
Diag.: Under the stones

Black sacrifices two stones, hoping to destroy the eye by giving atari with 6 at 4.


[Diagram]
Diag.: Under the stones

White makes the surprising move at 2, allowing Black to capture four stones !


[Diagram]
Diag.: Under the stones

In the space created by the four captured stones, White can recapture two stones.



Pitfalls

[Diagram]
Diag.: Pitfall 1

Obviously, White mustn't answer 2 at 3 here.


[Diagram]
Diag.: Pitfall 2

If White hastily answers the atari by (temporarily) saving her stones with 2, Black 3 kills.


[Diagram]
Diag.: No Under the stones

If White fails to make the four-stone sacrifice, and connects at 5 here, then Black 6 takes three stones, and there is not enough room to play "underneath".



[Diagram]
Diag.: Failure

White 1 makes one eye in the corner. Black 2 makes miai of a and b to take away the other eye.


[Diagram]
Diag.: Inferior for Black

Black 2 here would allow White to live in ko.



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