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life and death
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Problem | 12455 |
Created | 2009-03-12 |
Source | |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 63 secs |
User Attempts |
38 / 240 |
Solve Ratio Rating | 1 dan |
| rating history |
(;AB[dr]AB[dq]AB[eq]AB[fq]AB[gq]AB[gr]AW[hr]AW[hq]AW[jr]AW[hp]AW[cr]AW[cq]AW[dp]AW[do]AW[bm]AW[cm]AW[cl]AW[cj]AB[dn]AB[en]AB[eo]AB[ep]AW[go]AW[fo]AW[fm]AW[el]AW[ej]C[B, do your best.]AP[goproblems]
(;B[bo];W[cn]
(;B[co];W[cp]
(;B[cs]
(;W[bs]C[CHOICE]
(;B[bq];W[br];B[bp];W[ds]
(;B[ar];W[aq];B[es];W[bn];B[cs]C[ko, B first, 2 local threat at marked pt. The best result.RIGHT]TR[ap]TR[gs])
(;B[es]C[RIGHT]))
(;B[bp];W[bq];B[aq];W[ds];B[ar];W[ap];B[ao];W[br];B[es];W[an];B[cs]C[Not the best ko.])
(;B[br];W[bq];B[as];W[aq])
(;B[ar];W[bp]C[w seki locally; b die eventually])
(;B[ap];W[bq])
(;B[aq];W[bp]
(;B[br];W[ds])
(;B[ap];W[bn])))
(;W[br];B[bp];W[ar];B[bs];W[ap];B[ao];W[bq];B[aq]C[RIGHT])
(;W[aq];B[bs]
(;W[br];B[bp];W[bn];B[ar];W[as];B[ds];W[ao];B[ar]C[RIGHT])
(;W[ar];B[br];W[bq];B[ap];W[bn];B[ds];W[an];B[as]C[RIGHT])))
(;B[bp];W[bq]
(;B[aq];W[ar])
(;B[cs];W[ar])
(;B[br];W[bs])
(;B[ar];W[aq];B[cs];W[bs]MA[ds]MA[ao]))
(;B[br];W[bq]
(;B[cs];W[bs];B[as];W[aq])
(;B[ap];W[aq];B[cs];W[bs]C[b is short]))
(;B[aq];W[ap];B[bp];W[ar])
(;B[ap];W[bq]
(;B[ar];W[aq]C[b is short])
(;B[cs];W[bs]TR[ds]TR[aq])
(;B[br];W[aq];B[cs];W[bs]C[b is short]))
(;B[ar];W[bp];B[ap];W[bn];B[ao];W[bs])
(;B[bs];W[bp]MA[cs]MA[br])
(;B[bq];W[bp]))
(;B[br];W[co])
(;B[cs];W[co])
(;B[bq];W[co])
(;B[cp];W[co];B[bp];W[bq]
(;B[aq];W[ar])
(;B[cs];W[ar])
(;B[bs];W[ar])
(;B[ar];W[aq];B[cs];W[bs]MA[ds]MA[ao])
(;B[br];W[bs])))
(;B[br];W[co]
(;B[cs];W[bq])
(;B[cn];W[bo]))
(;B[cn];W[bo])
(;B[cs];W[bo])
(;B[bp];W[bo])
(;B[co];W[cp];B[bo];W[bp];B[cn];W[ap];B[ao];W[br])
(;B[cp];W[co];B[bp];W[bo])
(;B[bn];W[bo])
(;B[bq];W[bp]))
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