EVENT
BOARDSIZE 19
SETUP W D15 C14 D13 C9 K3 Q3 O4 O6 Q8 Q17 R16 L17 
SETUP B D17 F17 C16 C15 C4 E3 P7 Q6 R5 S3 R11 R14 
COM
Problem 106. Black to play.  

White has just extended with the marked stone. What should Black
do ? 

[You will find a supplement to this Problem Diagram as "Problem 145"]
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B 1 P10
USER
CORRECT ANSWER
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COM
Correct Answer.

The knight's move of Black 1 secures a large territory on the
right side for Black. The white stone there can't escape.
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W 2 C6
COM
Even if White plays at A next, Black still has the initiative.
<=
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