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BOARDSIZE 19
SETUP W C15 E16 F16 G16 H16 J16 R17 Q17 P17 O17 O3 K4 D4 E3 C7 
SETUP B C17 E17 F17 G17 H17 P16 O16 Q16 R16 Q11 Q4 Q3 Q6 C12 C9 
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Problem 94. White to play.  

The white stones in the upper left are thick, but their influence
seems to be neutralised by Black's two stones on the left side.
What should White do ? 

[You will find a supplement to this Problem Diagram as "Problem 143"]
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W 1 E12
USER
CORRECT ANSWER
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Correct Answer.

White caps with 1, ...
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B 2 E9
W 3 D10
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... then exchanges 3 ...
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B 4 C10
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... for 4.
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W 5 E7
MARK 1@E12
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White jumps to 5, securing the territory in the lower left. The
value of White 1 is that is gives her stones above breathing
room. After White 5, ...
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B 6 D11
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... Black should defend at 6.
<=
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