EVENT
BOARDSIZE 19
SETUP W D4 D16 K16 O17 R6 Q5 K4 
SETUP B Q16 Q14 Q9 Q3 R4 R5 
MARK 1@R5 3@R4 2@R6
COM
Problem 47. White to play.  

Black 1 violates the proverb which instructs us not to attach
against weak stones. After Black draws back with 3, where should
White play ? 
ENDCOM
W 1 P8
MARK B@Q6 A@O6
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

When your opponent's stones are strong, you must play lightly
to make sabaki. White 1 or White A is such a move. Cutting at
B would be a bad move for Black.
<=
ENDCOM
  VAR
  W 1 O6
  USER
  CORRECT ANSWER
  ENDUSER
  COM
  Correct Answer.

  Also correct.
  <=
  ENDCOM
  ENDVAR
  VAR
  W 1 Q6
  COM
  Failure.

  Connecting at 1 leaves White with a heavy group.
  ENDCOM
  B 2 P4
  COM
  After Black 2, is becomes a good target for Black.
  <=
  ENDCOM
  ENDVAR