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BOARDSIZE 19
SETUP W D16 E17 D14 D4 K3 K16 K13 
SETUP B Q3 Q5 Q10 Q16 N16 F17 F16 G13 
MARK \t@Q10
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Problem 45. White to play.  

Black has just staked out a position on the right side with the
marked stone. What should White do next ? 

[You will find a supplement to this Problem Diagram as "Problem 140"]
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W 1 H16
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CORRECT ANSWER
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Correct Answer.

White 1 is the vital point; it makes the difference between Black
being attacked or White.
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B 2 F14
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Black must defend with 2, ...
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W 3 D12
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... and White stakes out the territory on the left side by jumping
to 3.
<=
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