EVENT
BOARDSIZE 19
SETUP W K17 O15 P15 P17 Q16 
SETUP B D16 H17 M15 M17 Q15 R16 P14 
MARK 1@Q16 @@Q14
COM
Reference Diagram to Problem 17. Black to play.  

White plays peacefully at 1 instead of @.
ENDCOM
B 1 R15
USER
CORERECT ANSWER
ENDUSER
COM
Correct Answer.
ENDCOM
W 2 O14
B 3 P13
W 4 R17
B 5 S17
W 6 R18
MARK A@K15
COM
It would be prudent for White to settle her stones with the moves
to 6. Black can now aim at A, again dominating the top left.
<=
ENDCOM