invalid problem set
Problem | 16305 |
Created | 2012-07-21 |
Source | |
Rating | |
Difficulty | 6.8 kyu |
Average Solve Time | 42 secs |
User Attempts |
964 / 2570 |
Solve Ratio Rating | 6 kyu |
| rating history |
(;AB[cs]AB[cr]AB[cq]AB[cp]AB[bq]AB[ap]AB[ds]AW[dq]AW[dr]AW[dp]AW[es]AW[er]AW[fr]AW[gr]AW[co]AW[bo]AW[bp]AW[bn]AB[cn]AW[cm]AB[do]AB[eo]AB[go]AB[fq]AB[gq]AB[hr]AB[iq]C[black to kill the marked white stones unconditionally]TR[dp]TR[dq]TR[dr]TR[er]TR[fr]TR[gr]TR[es]AP[goproblems]
(;B[ep];W[bs]
(;B[gs];W[br])
(;B[ar];W[ao];B[gs];W[aq]C[only ko]))
(;B[bs];W[ar]
(;B[ep];W[aq]
(;B[gs]C[RIGHT];W[ao];B[eq]C[RIGHT])
(;B[eq];W[ao];B[gs]C[RIGHT]))
(;B[gs];W[aq]
(;B[eq];W[ao];B[ep]C[RIGHT])
(;B[ep]C[RIGHT];W[ao];B[eq]C[RIGHT]))
(;B[eq];W[aq]
(;B[gs]C[RIGHT];W[ao]C[RIGHT];B[ep]C[RIGHT])
(;B[ep]C[RIGHT];W[ao];B[gs]C[RIGHT])))
(;B[eq];W[bs];B[gs];W[br])
(;B[gs];W[bs];B[ar];W[ao];B[ep];W[aq])
(;B[ar];W[bs];B[ep];W[ao];B[gs];W[aq]C[only ko]))
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