invalid problem set
Problem | 3178 |
Created | 2003-10-26 |
Source | |
Rating | |
Difficulty | 13 kyu |
Average Solve Time | 38 secs |
User Attempts |
4406 / 12016 |
Solve Ratio Rating | 6 kyu |
| rating history |
Black to kill.
(;AB[bs][br][cq][cp][co][cn][dm][em][fm][gn][ho][hp][gq][fr][fs][hr]AW[cs][cr][es][er][dq][dp][do][en][fn][go][gp][fp]C[Black to kill]SZ[19]
(;B[eq]C[
];W[ep]
(;B[dr];W[fq];B[ds]C[RIGHT])
(;B[ds];W[dr]C[oops])
(;B[dn];W[fq]))
(;B[fq];W[eq])
(;B[dr];W[eq]
(;B[ds];W[eo])
(;B[eo];W[ds]))
(;B[ds];W[dr]
(;B[eq];W[fq])
(;B[ep];W[fq])
(;B[eo];W[fq]))
(;B[ep];W[fq]
(;B[eo];W[dn])
(;B[eq];W[eo])
(;B[dr];W[ds]))
(;B[eo];W[fq]
(;B[ep];W[dn])
(;B[dn];W[fo]))
(;B[dn];W[fq]
(;B[eo];W[fo])
(;B[ep];W[eo])))
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