invalid problem set
Problem | 13793 |
Created | 2010-06-20 |
Source | |
Rating | |
Difficulty | 10.2 kyu |
Average Solve Time | 58 secs |
User Attempts |
1015 / 3058 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;AB[se]AB[re]AB[qe]AB[qd]AB[pd]AB[od]AB[oc]AB[nb]AB[mb]AB[ma]AW[sd]AW[rd]AW[rc]AW[qc]AW[pc]AW[pb]AW[ob]AW[oa]AW[na]C[Best move for black]AP[goproblems]
(;B[rb]
(;W[qa]C[FORCE]
(;B[ra];W[sb])
(;B[sb]
(;W[ra]
(;B[sc];W[sa])
(;B[sa];W[qb])
(;B[qb]C[SekiRIGHT]))
(;W[qb];B[ra]C[SekiRIGHT])))
(;W[ra];B[sb];W[qa]
(;B[sc];W[sa])
(;B[sa];W[qb])
(;B[qb]C[SekiRIGHT])))
(;B[ra];W[rb]
(;B[sb];W[qa])
(;B[qa];W[sb]))
(;B[pa]C[NOTTHIS])
(;B[qb]C[NOTTHIS])
(;B[qa];W[rb];B[ra];W[sb])
(;B[sc]C[NOTTHIS])
(;B[sb];W[rb]
(;B[ra];W[qa])
(;B[qa];W[ra]))
(;B[sa]C[NOTTHIS])
(;B[la]C[NOTTHIS])
(;B[lb]C[NOTTHIS])
(;B[lc]C[NOTTHIS])
(;B[mc]C[NOTTHIS])
(;B[nc]C[NOTTHIS])
(;B[ld]C[NOTTHIS])
(;B[md]C[NOTTHIS])
(;B[nd]C[NOTTHIS])
(;B[le]C[NOTTHIS])
(;B[me]C[NOTTHIS])
(;B[ne]C[NOTTHIS])
(;B[oe]C[NOTTHIS])
(;B[pe]C[NOTTHIS])
(;B[lf]C[NOTTHIS])
(;B[mf]C[NOTTHIS])
(;B[nf]C[NOTTHIS])
(;B[of]C[NOTTHIS])
(;B[pf]C[NOTTHIS])
(;B[qf]C[NOTTHIS])
(;B[rf]C[NOTTHIS])
(;B[sf]C[NOTTHIS]))
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