EVENT
BOARDSIZE 19
SETUP W C12 K15 K17 M17 S18 R18 R17 Q17 S16 R15 R14 
SETUP B D17 C14 H17 O15 O17 Q15 Q16 R16 S17 Q18 
MARK 2@S18 1@S17
COM
Problem 112. Black to play.  

To avoid the threats in Problem 109, White plays 2. What is Black's
response ? 
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B 1 S15
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

Black ataris with 1, ...
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  VAR
  B 1 O13
  USER
  CORRECT ANSWER
  ENDUSER
  COM
  Correct Answer.

  Black may not want to play the moves in the Correct Answer immediately.
  He could first jump to 1 to eliminate any danger to his group.
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  W 2 H15
  B 3 S15
  W 4 T17
  B 5 R13
  MARK 3@S15
  COM
  After that, he plays 3 and 5, looking on these as forcing moves.
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  W 6 S14
  B 7 F17
  COM
  <=
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  ENDVAR
W 2 T17
B 3 R13
COM
... then makes the nose attachment of 3.
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W 4 S14
COM
If White 4, ...
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B 5 Q14
COM
... Black presses from above with 5.
<=
ENDCOM