Problem | 11788 |
Created | 2008-10-10 |
Source | |
Rating | |
Difficulty | 20.3 kyu |
Average Solve Time | 28 secs |
User Attempts |
2758 / 6033 |
Solve Ratio Rating | 8 kyu |
| rating history |
Black to play and kill white group.
(;AW[rb]AW[sb]AW[sc]AW[qc]AW[pc]AW[ob]AW[oa]AB[nb]AB[nc]AB[oc]AB[pd]AB[qd]AB[rd]AB[rc]AB[sd]
(;B[qa];W[qb]
(;B[ra];W[pa])
(;B[pa];W[ra])
(;B[na];W[ra]))
(;B[qb];W[pb]
(;B[qa]
(;W[ra]C[];B[sa]C[RIGHT])
(;W[pa]C[CHOICE]
(;B[na]C[RIGHT])
(;B[ra];W[sa];B[qa]C[RIGHT])))
(;B[na];W[qa])
(;B[ra];W[qa]))
(;B[na];W[pb]
(;B[qa];W[ra])
(;B[ra];W[qa]))
(;B[ra];W[qa]
(;B[pb];W[qb])
(;B[na];W[pb])))
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