invalid problem set
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life and death
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Problem | 10766 |
Created | 2008-01-06 |
Source | Book |
Rating | |
Difficulty | 20.5 kyu |
Average Solve Time | 30 secs |
User Attempts |
4116 / 8041 |
Solve Ratio Rating | 10 kyu |
| rating history |
Any comments are welcome.
(;AB[ar]AB[cp]AB[cq]AB[dq]AW[bo]AW[co]AW[dp]AW[eo]AW[eq]AW[er]C[B to live (Hint: make use of A)]LB[ar:A]AP[goproblems]
(;B[bp];W[bs]C[B dead])
(;B[dr];W[bp]
(;B[br];W[cs]C[B dead])
(;B[bq];W[bs]
(;B[br];W[cs];B[ds]C[B dead])
(;B[cs];W[br])))
(;B[bq];W[bs])
(;B[br];W[ds]C[B dead])
(;B[cr];W[bs];B[cs];W[ap]C[B dead])
(;B[bs]C[Brilliant tesuji!]
(;W[dr]C[CHOICE];B[cr];W[bp];B[bq]C[B alive :DRIGHT])
(;W[cr]C[CHOICE];B[dr];W[ds]
(;B[cs];W[bq]
(;B[br];W[bp]
(;B[es]C[RIGHT])
(;B[cr]C[:(]))
(;B[es];W[br];B[bp]C[RIGHT]))
(;B[br];W[bq];B[cs];W[bp]
(;B[es]C[RIGHT])
(;B[cr]))))
(;B[ds];W[bs];B[br];W[cs];B[dr];W[ap])
(;B[cs];W[bs]
(;B[br];W[dr]
(;B[cr];W[ap])
(;B[bp];W[cr]))
(;B[cr];W[bp])))
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