invalid problem set
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Problem | 11808 |
Created | 2008-10-11 |
Source | |
Rating | |
Difficulty | 16 kyu |
Average Solve Time | 60 secs |
User Attempts |
3261 / 6429 |
Solve Ratio Rating | 10 kyu |
| rating history |
Black to play and kill 7 white stones.
(;AB[bs]AB[cr]AB[cq]AB[dq]AB[eq]AB[bo]AB[bn]AB[cn]AB[ck]AB[do]AB[eo]AB[fo]AB[fp]AB[gp]AW[br]AW[bq]AW[bp]AW[cp]AW[co]AW[dp]AW[ep]AW[er]AW[fq]AW[gq]AW[hp]AW[iq]
(;B[fr]
(;W[dr];B[cs];W[gr]
(;B[ap]C[RIGHT];W[ar];B[ao];W[fs];B[aq]C[RIGHT])
(;B[ar]C[RIGHT];W[fs]
(;B[ap]C[RIGHT])
(;B[aq]C[RIGHT])))
(;W[gr];B[ap];W[dr];B[cs];W[ar];B[ao];W[fs];B[aq]C[RIGHT]))
(;B[ap];W[dr];B[cs];W[ds])
(;B[ar];W[dr];B[cs];W[ds])
(;B[cs];W[dr]
(;B[fr];W[gr]
(;B[ar];W[fs]
(;B[ap]C[RIGHT])
(;B[aq]C[RIGHT]))
(;B[ap];W[fs]
(;B[ar]C[RIGHT])
(;B[aq]C[RIGHT])))
(;B[ds];W[es])
(;B[ar];W[ds])
(;B[ap];W[ds])
(;B[aq];W[ds])))
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