invalid problem set
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life and death
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Problem | 933 |
Created | 2001-07-24 |
Name | C21 |
Source | Sikatu no Tamatebako |
Rating | |
Difficulty | 5.5 kyu |
Average Solve Time | 57 secs |
User Attempts |
2290 / 8096 |
Solve Ratio Rating | 4 kyu |
| rating history |
How can black survive ?
(;SZ[19]AW[bb]AW[bc]AW[bd]AW[be]AW[cf]AW[df]AW[ef]AW[ee]AW[dd]AB[de]AB[ce]AB[cd]AB[cc]AB[cb]AB[dc]AW[db]AW[eb]AB[ec]AB[fc]AB[gc]AB[gb]AB[hc]AW[hb]AW[ib]AW[ic]AW[id]AW[hd]AW[gd]GM[1]VW[]
(;B[ea];W[ed]
(;B[ga];W[fb];B[ca]C[ Seki.RIGHT])
(;B[ca];W[ga];B[fa];W[fb]))
(;B[ed];W[ca];B[da];W[ba])
(;B[ga];W[ca]
(;B[da];W[ba])
(;B[ea];W[ba]))
(;B[ca];W[ed]
(;B[ea];W[ga];B[fa];W[fb])
(;B[ga];W[ea];B[fb];W[da]))
(;B[da];W[ed]
(;B[ea];W[ga])
(;B[fb];W[ga])
(;B[ga];W[ea]))
(;B[fb];W[ed]
(;B[ea];W[ga])
(;B[ga];W[ea];B[da];W[ca];B[fa];W[ba])))
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