invalid problem set
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life and death
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+5
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Problem | 9800 |
Created | 2007-03-02 |
Source | My mind |
Rating | |
Difficulty | 14.8 kyu |
Average Solve Time | 45 secs |
User Attempts |
3470 / 8243 |
Solve Ratio Rating | 7 kyu |
| rating history |
It's another problem I made. Feel free to comment.
(;AW[ap]AW[bp]AW[ar]AW[br]AW[dq]AB[cp]AB[dp]AB[ep]AB[fq]AB[fr]AB[fs]AB[bo]AB[cn]C[Black to kill White's corner.]AP[goproblems]
(;B[cr]
(;W[cq];B[dr];W[bs];B[bq]C[CHOICERIGHT])
(;W[dr]
(;B[cq]C[CHOICERIGHT])
(;B[cs];W[cq]
(;B[ds];W[bs];B[es];W[bq])
(;B[bs];W[ds])
(;B[bq];W[ds]))
(;B[bq];W[cq])
(;B[bs];W[cq];B[ds];W[cs]C[You can do better than ko.]))
(;W[bq];B[bs];W[dr]C[CHOICE]
(;B[ds]C[RIGHT])
(;B[cq]C[RIGHT])
(;B[cs];W[cq];B[ds]C[RIGHT]))
(;W[bs];B[bq];W[cq]C[CHOICE]
(;B[dr]C[RIGHT])
(;B[er];W[dr];B[ds];W[cs];B[eq];W[aq])
(;B[eq];W[dr];B[ds];W[cs];B[er];W[aq])))
(;B[cq];W[bq]
(;B[bs];W[cr];B[cs];W[ds])
(;B[cr];W[bs])
(;B[dr];W[cr]))
(;B[bq];W[cq];B[cr];W[dr])
(;B[bs];W[cr]
(;B[cs];W[ds])
(;B[bq];W[cq];B[cs];W[ds])
(;B[cq];W[bq];B[cs];W[ds]))
(;B[cs];W[cr]
(;B[bs];W[ds])
(;B[cq];W[bq]
(;B[dr];W[bs])
(;B[bs];W[ds])))
(;B[dr];W[cr];B[cq];W[bq]))
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