EVENT
BOARDSIZE 19
SETUP W D17 F17 C16 C15 C7 D4 E7 K4 O3 O5 
SETUP B D15 C14 D13 C9 E9 Q16 Q10 Q4 Q6 O16 
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Problem 22. Black to play.  

This game has become a contest of moyos. Where should Black play
? 
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B 1 O7
MARK A@Q8
USER
CORRECT ANSWER
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COM
Correct Answer.

Black 1 is the focal point of the white and black moyos, expanding
Black's moyo and reducing White's. Moreover, this move defends
against a white invasion at A.
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  VAR
  B 1 R15
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  Failure.

  If Black rushes to make territory at the top with 1, ...
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  W 2 O7
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  ... White will exchange 2 ...
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  B 3 Q8
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  ... for Black 3, ...
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  W 4 E3
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  ... then solidify her moyo with 4. The scale of White's moyo
  is now quite satisfactory.
  <=
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  ENDVAR
W 2 M17
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White 2 is the last big point, but ...
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B 3 G15
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... Black finishes up the fuseki with 3 ...
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W 4 H16
B 5 R15
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... and 5, solidifying his moyos on the left and the right.
<=
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