EVENT
BOARDSIZE 19
SETUP W M17 N16 P14 R15 Q17 
SETUP B C15 D16 F16 K17 P16 O17 
MARK 1@P14 \t@P16
COM
Problem 93. Black to play.  

This time White caps the marked stone with 1. How does Black
answer ? 
ENDCOM
B 1 O15
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

Black should poke through the hole with 1. Black's shape looks
bad, but White is unable to counter effectively.
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W 2 O16
B 3 P17
W 4 P15
MARK 2@O16
COM
If White tries to take advantage of Black's bad shape with 2
and 4, ...
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B 5 Q16
W 6 R16
B 7 R17
W 8 S17
B 9 R18
W 10 S18
B 11 Q18
MARK B@Q15 A@O14
COM
... Black lives in the corner with the moves to 11. Black now
has moves at A and B.
<=
ENDCOM