invalid problem set
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life and death
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Problem | 14770 |
Created | 2011-04-27 |
Source | |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 57 secs |
User Attempts |
25 / 150 |
Solve Ratio Rating | 1 dan |
| rating history |
black has an external ko threat.
(;AB[qd]AB[oc]AB[od]AB[pe]AB[pg]AB[rd]AB[pf]AW[pd]AW[pc]AW[qc]AB[rc]AW[rb]AW[ob]AB[nb]AW[oe]AW[qe]AB[pa]TR[pd]TR[pc]TR[qc]TR[rb]AW[jc]AB[hc]AP[goproblems]
(;W[pb];B[oa];W[qb];B[sb];W[ra];B[na])
(;W[nc];B[nd]
(;W[na];B[qb])
(;W[pb];B[oa];W[qb];B[sb];W[ra];B[na])
(;W[qb];B[re]
(;W[na];B[mc];W[mb])
(;W[mb];B[mc];W[na];B[oa];W[nc];B[mh]LB[mi:A]C[ko threat.FORCE];W[mi];B[nb])
(;W[oa];B[na];W[pb];B[sb])
(;W[pb];B[mc])
(;W[mc];B[pb]))
(;W[mb];B[qb])
(;W[md];B[mc])
(;W[ne];B[mc]))
(;W[qb];B[re]
(;W[nc];B[nd]
(;W[na];B[mc];W[mb];B[oa];W[nc];B[mh]LB[mi:A]C[ko threat.FORCE];W[mi];B[nb])
(;W[mb];B[mc];W[na];B[oa];W[nc];B[mh]LB[mi:A]C[ko threat.FORCE];W[mi];B[nb])
(;W[oa];B[na];W[pb];B[sb])
(;W[pb];B[mc])
(;W[mc];B[pb]))
(;W[oa];B[na];W[pb];B[sb])
(;W[pb];B[mc])
(;W[mb];B[nc]
(;W[mc];B[na];W[ne];B[sb])
(;W[na];B[oa]
(;W[mc];B[ma])
(;W[ma];B[mc])
(;W[la];B[ma])))
(;W[nd];B[nc];W[mc];B[na])
(;W[na]
(;B[oa];W[nc];B[pb];W[nd];B[ob];W[mb];B[ma];W[qa]C[RIGHT])
(;B[pb];W[nc];B[oa];W[nd];B[ob];W[mb];B[ma];W[qa]C[RIGHT])
(;B[nc];W[oa];B[ma];W[pb];B[lb];W[sb]C[RIGHT])
(;B[mc];W[mb];B[nc];W[oa];B[lb];W[sb]C[RIGHT])
(;B[mb]
(;W[lb];B[oa];W[pb];B[nd])
(;W[oa];B[ma];W[pb];B[sb])
(;W[pb];B[md])
(;W[nc];B[nd];W[mc];B[oa];W[pb];B[lb]
(;W[ne]C[NOTTHIS])
(;W[lc];B[ne];W[kb]C[RIGHT])
(;W[md];B[ne]
(;W[me];B[nf]
(;W[kc];B[ma])
(;W[qa];B[kc]
(;W[jd];B[jb];W[ib])
(;W[kd];B[jb])))
(;W[kc];B[ma]))))))
(;W[qa];B[oa];W[qb];B[re];W[pb];B[mc]))
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