invalid problem set
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life and death
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Problem | 17836 |
Created | 2014-08-08 |
Source | Booksource |
Rating | |
Difficulty | 21.7 kyu |
Average Solve Time | 25 secs |
User Attempts |
1938 / 3817 |
Solve Ratio Rating | 10 kyu |
| rating history |
How could Black survive?
Black go first.
(;AB[sb]AB[rc]AB[qc]AB[pb]AW[oc]AW[pc]AW[ob]AW[qd]AW[rd]AP[goproblems]
(;B[ra];W[qb];B[pa]
(;W[qa];B[rb]C[RIGHT])
(;W[oa];B[qa]C[RIGHT]))
(;B[pa];W[ra];B[qb]C[CHOICE])
(;B[sc];W[qb]C[CHOICE])
(;B[rb];W[pa];B[qb]C[CHOICE])
(;B[qa];W[ra]
(;B[rb];W[oa]C[CHOICE])
(;B[sa];W[oa]C[CHOICE])
(;B[qb]C[CHOICE])))
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