EVENT
BOARDSIZE 19
SETUP W F17 L16 O16 O17 
SETUP B D16 D14 H17 P17 Q16 Q14 
MARK 1@H17
COM
Problem 51. White to play.  

Black makes a deep invasion with 1. What should White do ? 
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W 1 H15
MARK \t@H17
USER
CORRECT ANSWER
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COM
Correct Answer.

Against the marked black stone, White will cap at 1.
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B 2 G16
COM
After Black runs away with 2, ...
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W 3 D17
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... White attaches at 3 and can easily make a living group in
the corner.
<=
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