EVENT
BOARDSIZE 19
SETUP W C14 C11 B16 M17 N16 R14 Q10 
SETUP B C17 D16 F16 K16 M16 O16 Q16 
MARK 1@N16
COM
Problem 62. Black to play.  

This time White wedges in on the right side. This is a bad move.
How does Black respond ? 
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B 1 N17
USER
CORRECT ANSWER
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COM
Correct Answer.

This time Black must atari from below with 1.
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W 2 N15
B 3 M15
COM
The moves from 3 ...
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W 4 O17
B 5 N18
W 6 P17
B 7 N14
W 8 O15
B 9 P16
W 10 M18
B 11 O14
W 12 P15
COM
... to 12 are now inevitable.
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B 13 Q14
COM
Black next plays 13 and ...
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W 14 N19
B 15 P14
W 16 O18
MARK 14@N19
COM
... White must capture with 14 and 16.
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B 17 N17
W 18 N18
B 19 Q15
COM
After  Black 19, White can live at the top, but Black's thickness
in the center is overwhelming.
<=
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