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This is a variation on problem 1489, Jimmy Cha's famous problem. This time, it is not a matter of killing Black, but for Black to live. The source mentioned is two chinese professionals who were in Tuchola, Poland for EGC 2004 (of which I was a participant). Although it's just a variation of an existing problem, I found it interesting, though not that hard if you know the original. If you know the original, try solving this problem entirely in your head. (a good exercise anyhow :) (This problem also exists in the Guan Zi Pu)
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Author Emile Created 2004-10-22
Difficulty 5 dan (history) Source Gui Yong Liao 9p and Bo Ding 5p at EGC 2004 in Tuchola, also GZP End 175
AVG solve time 78 sec Stars 5  (5 votes)
User attempts 245 / 1727 Collections Stories, GuanZiPu, 2-2 Crosscut
Genre life and death ⓒ Your attempts N/A
Similar problems
Created 2004-10-22
Source Gui Yong Liao 9p and Bo Ding 5p at EGC 2004 in Tuchola, also GZP End 175
Stars 5  (5 votes)
Collections Stories, GuanZiPu, 2-2 Crosscut
Your attempts N/A