invalid problem set
Problem | 9572 |
Created | 2006-12-14 |
Source | Japanese booklet |
Rating | |
Difficulty | 6.3 kyu |
Average Solve Time | 64 secs |
User Attempts |
622 / 2160 |
Solve Ratio Rating | 4 kyu |
| rating history |
Comments welcome...
(;AW[rc]AW[rd]AW[pc]AW[pb]AW[na]AW[nb]AB[ma]AB[mb]AB[mc]AB[nd]AB[od]AB[pd]AB[qd]AB[re]AB[se]C[Black to kill]AP[goproblems]
(;B[qc];W[qb]
(;B[rb];W[sb];B[ra]
(;W[sc]
(;B[ob];W[oc];B[nc];W[oa];B[qa]C[CHOICERIGHT])
(;B[oc];W[ob];B[sd];W[qa];B[sa];W[rc])
(;B[nc];W[ob])
(;B[sd];W[qa];B[sa];W[rc])
(;B[pa];W[ob];B[qa];W[oa]
(;B[sd];W[sa]
(;B[qa]C[RIGHT])
(;B[ra]C[RIGHT]))
(;B[nc];W[sa])))
(;W[qa]
(;B[sd];W[sc];B[sa];W[rc])
(;B[sc]C[RIGHT])))
(;B[sd];W[rb])
(;B[sc];W[rb]
(;B[sd];W[sb])
(;B[oc];W[ob]))
(;B[oc];W[ob];B[rb];W[sb];B[ra];W[sc]
(;B[sd];W[qa];B[sa];W[rc])
(;B[qa];W[pa])))
(;B[rb];W[qc]
(;B[sd];W[sc]
(;B[qa];W[pa])
(;B[pa];W[qa]))
(;B[qa];W[pa]))
(;B[sd];W[ra];B[sb]
(;W[sc])
(;W[rb]
(;B[sc];W[pa])
(;B[qc];W[qb]
(;B[sc];W[oc])
(;B[oc];W[ob]))))
(;B[qb];W[qc])
(;B[ob];W[oc];B[pa];W[qa])
(;B[sb];W[rb])
(;B[sc];W[rb];B[sb];W[ra];B[sd];W[oc]))
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