EVENT
RESULT Draw
BOARDSIZE 19
SETUP W C12 K17 M17 Q17 R17 R15 R14 
SETUP B D17 C14 H17 O17 Q18 Q15 
MARK 2@R17 1@Q18
COM
Problem 88. Black to play.  

White draws back with 2 in answer to Black 1. How does Black
play next ? 
ENDCOM
B 1 O15
MARK A@P17
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

Black should make shape by jumping to 1. If Black gets to play
at A later, he will have made a wonderful shape.
<=
ENDCOM
  VAR
  B 1 P17
  COM
  Failure.

  If Black rushes to play 1, ...
  ENDCOM
  W 2 O15
  COM
  ... White strikes at 2. Clearly, this is the vital point of the
  whole position.
  <=
  ENDCOM
  ENDVAR