invalid problem set
Problem | 4433 |
Created | 2004-05-07 |
Source | |
Rating | |
Difficulty | 18.1 kyu |
Average Solve Time | 45 secs |
User Attempts |
7521 / 16040 |
Solve Ratio Rating | 8 kyu |
| rating history |
(;AW[sb]AW[rc]AW[qb]AW[pc]AW[oc]AW[ob]AW[oa]AW[na]AB[ma]AB[mb]AB[nb]AB[nc]AB[od]AB[md]AB[pd]AB[qd]AB[qc]AB[rd]AB[sd]C[Black to kill.]AP[goproblems]
(;B[sc];W[rb]
(;B[pa];W[pb]
(;B[qa];W[ra])
(;B[ra];W[qa]))
(;B[pb];W[pa])
(;B[qa];W[ra]
(;B[pa];W[pb])
(;B[pb];W[pa]))
(;B[ra];W[qa]))
(;B[rb];W[ra])
(;B[ra]
(;W[qa]C[CHOICE]
(;B[rb];W[sa]
(;B[rb];W[ra]
(;B[sc]C[RIGHT])
(;B[pb];W[pa];B[sc]C[RIGHT])
(;B[pa]C[NOTTHIS]))
(;B[sc];W[rb])
(;B[pb];W[pa]
(;B[ra];W[rb])
(;B[rb];W[ra];B[sc]C[RIGHT])
(;B[sc];W[rb]))
(;B[pa]C[NOTTHIS])
(;B[ra];W[rb]))
(;B[pa]C[NOTTHIS])
(;B[pb];W[pa]
(;B[rb];W[sa]
(;B[rb];W[ra];B[sc]C[RIGHT])
(;B[sc];W[rb])
(;B[ra];W[rb]))
(;B[sc];W[rb])
(;B[sa];W[rb]))
(;B[sc];W[rb])
(;B[sa];W[rb]))
(;W[rb]C[CHOICE]
(;B[qa];W[sa]
(;B[pa];W[pb];B[qa]C[RIGHT])
(;B[pb];W[pa])
(;B[sc];W[pa]))
(;B[pb];W[pa])
(;B[pa];W[pb];B[qa];W[sa];B[qa]C[RIGHT]))
(;W[sa]C[CHOICE]
(;B[pa];W[pb]
(;B[qa];W[rb];B[qa]C[RIGHT])
(;B[rb];W[qa]
(;B[ra];W[rb])
(;B[sc];W[rb])
(;B[rb];W[ra];B[sc]C[RIGHT]))
(;B[sc]
(;W[qa]C[CHOICE];B[rb]C[RIGHT])
(;W[rb]C[CHOICE];B[qa]C[RIGHT])))
(;B[pb];W[pa]
(;B[qa];W[rb])
(;B[rb];W[qa]
(;B[ra];W[rb])
(;B[rb];W[ra];B[sc]C[RIGHT])
(;B[sc];W[rb]))
(;B[sc];W[rb]))
(;B[sc];W[rb]
(;B[qa];W[pa])
(;B[pa];W[pb];B[qa]C[RIGHT])
(;B[pb];W[pa]))
(;B[rb];W[qa]
(;B[sc];W[rb])
(;B[ra];W[rb])
(;B[rb];W[ra]
(;B[sc]C[RIGHT])
(;B[pa]C[NOTTHIS])
(;B[pb];W[pa];B[sc]C[RIGHT]))
(;B[pa]C[NOTTHIS])
(;B[pb];W[pa]
(;B[ra];W[rb])
(;B[sc];W[rb])
(;B[rb];W[ra];B[sc]C[RIGHT])))
(;B[qa];W[rb]
(;B[pa];W[pb];B[qa]C[RIGHT])
(;B[pb];W[pa])
(;B[sc];W[pa]))))
(;B[qa];W[ra]
(;B[pb];W[pa];B[sc];W[rb])
(;B[pa];W[pb]
(;B[sc];W[rb])
(;B[qa];W[pa];B[sc];W[rb])
(;B[pa];W[qa];B[sc];W[rb]))
(;B[sc];W[rb]
(;B[pa];W[pb])
(;B[pb];W[pa])))
(;B[pb];W[pa]
(;B[sc];W[rb])
(;B[ra];W[rb])
(;B[qa];W[ra];B[sc];W[rb])
(;B[rb];W[ra];B[sc];W[rb]))
(;B[pa];W[pb]
(;B[qa];W[ra];B[sc];W[rb])
(;B[sc];W[rb]
(;B[qa];W[ra])
(;B[ra];W[qa]))
(;B[rb];W[ra];B[sc];W[rb])
(;B[ra]
(;W[rb]C[CHOICE];B[qa];W[sa];B[qa]C[RIGHT])
(;W[qa]C[CHOICE]
(;B[rb];W[sa]
(;B[sc];W[rb])
(;B[ra];W[rb])
(;B[rb];W[ra];B[sc]C[RIGHT]))
(;B[sa];W[rb])
(;B[sc];W[rb])))))
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