EVENT
BOARDSIZE 19
SETUP W D16 O17 K16 H3 D4 
SETUP B Q16 Q14 Q9 Q3 K4 
MARK 1@H3
COM
Problem 59. Black to play.  

White has extended all the way to 1. How should Black respond
? 
ENDCOM
B 1 H5
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

Black should expand his moyo by capping with 1. This move is
in keeping with the spirit of the Chinese opening.
ENDCOM
  VAR
  B 1 P4
  MARK A@Q5
  COM
  Strengthening the lower right.

  Making a corner enclosure with Black 1 or A is not necessarily
bad, but it is a little slack.
  ENDCOM
  W 2 D10
  MARK C@F3 B@H5
  COM
  White can make an ideal moyo on the left with 2. If Black now
  caps with B, White has other responses besides C.
  <=
  ENDCOM
  ENDVAR
W 2 F3
COM
White 2 is the proper response, but ...
ENDCOM
B 3 J3
COM
... Black thickens his position in the center by attaching at
3 ...
ENDCOM
W 4 H4
B 5 J5
COM
... and drawing back with 5.
<=
ENDCOM