invalid problem set
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Problem | 5268 |
Created | 2004-10-16 |
Name | Black to move |
Source | |
Rating | |
Difficulty | 9.5 kyu |
Average Solve Time | 42 secs |
User Attempts |
3465 / 8694 |
Solve Ratio Rating | 6 kyu |
| rating history |
Black to save the trapped stones.
(;AB[qc]AB[rc]AB[pc]AB[pb]AB[oc]AB[od]AB[oe]AB[of]AW[pf]AW[pe]AW[pd]AW[qd]AW[rd]AW[sc]AW[rb]AW[qb]AW[pa]AW[ob]AW[nc]AW[mb]AW[me]AW[ng]AW[og]AB[pg]AB[qg]AB[qf]AP[goproblems]
(;B[sb]
(;W[sa]
(;B[qa];W[ra]
(;B[re]
(;W[oa]
(;B[qe];W[sd];B[se]
(;W[sb];B[qa]C[RIGHT])
(;W[qa];B[sb]C[RIGHT]))
(;B[sd];W[se]
(;B[qe];W[sd];B[sf];W[qa];B[sb]C[RIGHT])
(;B[sf];W[sd];B[qe];W[sb];B[qa]C[RIGHT]))
(;B[se];W[sd]
(;B[qe];W[qa];B[sb]C[RIGHT])
(;B[na];W[nb];B[qe];W[qa];B[sb]C[RIGHT])
(;B[nb];W[na];B[qe];W[qa];B[sb]C[RIGHT])))
(;W[sd];B[se];W[sb];B[qe]C[RIGHT]
(;W[oa];B[qa]C[RIGHT])
(;W[qa];B[oa]C[RIGHT])))
(;B[qe]
(;W[oa];B[re];W[sd];B[se];W[qa];B[sb]C[RIGHT])
(;W[re];B[rf];W[sd];B[sf];W[oa];B[se];W[qa];B[sb]C[RIGHT]))
(;B[se];W[re];B[rf];W[sd]
(;B[sf];W[oa];B[qe]C[RIGHT];W[qa];B[sb]C[RIGHT])
(;B[qe];W[sf];B[sg];W[oa];B[se]C[ko]))
(;B[sd];W[se];B[re];W[sf];B[qe];W[sd]))
(;B[re];W[qa];B[qe];W[sd];B[se];W[sb])
(;B[se];W[qa])
(;B[qe];W[qa];B[re];W[sd];B[se];W[sb]))
(;W[sd];B[qa];W[ra];B[re];W[oa];B[se];W[sa];B[qe]C[RIGHT]
(;W[sb];B[qa]C[RIGHT])
(;W[qa];B[sb]C[RIGHT])))
(;B[re];W[sb];B[qe];W[sd]
(;B[se];W[qa])
(;B[qa];W[ra];B[se]))
(;B[qa];W[ra]
(;B[sb];W[sa]
(;B[re];W[sd]
(;B[qe];W[sb];B[se];W[qa];B[oa]C[RIGHT])
(;B[se];W[oa];B[qe]C[RIGHT]
(;W[sb];B[qa]C[RIGHT])
(;W[qa];B[sb]C[RIGHT])))
(;B[qe];W[sd];B[re];W[sb];B[se]C[RIGHT];W[qa];B[oa]C[RIGHT])
(;B[se]
(;W[sd];B[re];W[oa];B[qe]C[RIGHT]
(;W[sb];B[qa]C[RIGHT])
(;W[qa];B[sb]C[RIGHT]))
(;W[re];B[rf];W[sd];B[sf]C[RIGHT];W[oa];B[qe]C[RIGHT];W[qa];B[sb]C[RIGHT])))
(;B[re];W[sb];B[qe];W[sd];B[se])))
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