A black play at 'A', 'B', 'C', or 'D', each appears to deny white one point of territory.
Author WTD
Difficulty 19 kyu (history)
AVG solve time 23 sec
User attempts 19231 / 32208
Genre endgame
Similar problems
Created 2003-10-19
Source Sensei's Library
Stars 4.11  (57 votes)
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Your attempts N/A