EVENT
BOARDSIZE 19
SETUP W C12 K17 M17 Q17 R18 R16 R15 
SETUP B D17 C14 H17 O17 Q18 Q16 Q15 R14 
MARK 2@R16 1@Q16
COM
Problem 97. Black to play.  

What should Black do after White answers Black 1 with White 2
? Show the next three moves.  
ENDCOM
B 1 P17
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

This problem is probably too easy. Playing atari is obvious,
...
ENDCOM
W 2 R17
B 3 O15
COM
... and it is common sense to make shape with 3.
<=
ENDCOM
  VAR
  B 3 N15
  COM
  Failure.

  Black 3 is a false tesuji.
  ENDCOM
  W 4 K15
  MARK B@O15 A@Q14
  COM
  White answers by jumping to 4, but late White will come back
  and play A. At this point Black will wish he had played at B,
  the vital point in all these variations.
  <=
  ENDCOM
  ENDVAR