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life and death
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Problem | 8583 |
Created | 2006-05-19 |
Name | k40 |
Source | dashnet |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 61 secs |
User Attempts |
85 / 988 |
Solve Ratio Rating | 4 dan |
| rating history |
(;AB[br]AB[bq]AB[bp]AB[cp]AB[co]AB[cn]AB[bn]AB[dp]AB[ep]AB[fp]AB[gp]AB[hp]AB[ip]AB[jp]AB[jq]AB[ir]AW[ao]AW[am]AW[bm]AW[cm]AW[dm]AW[dn]AW[fn]AW[hn]AW[jo]AW[io]AW[kp]AW[kq]AW[kr]AW[jr]AW[ko]AW[iq]AW[hq]AW[hr]AW[gr]AW[cr]AW[cq]AW[dq]AW[eq]C[Black to live]AP[goproblems]
(;B[ds]
(;W[es]C[CHOICE]
(;B[cs]
(;W[an]C[CHOICE]
(;B[er]
(;W[fq]
(;B[fr];W[gq]C[CHOICE]
(;B[gs]C[];W[is]
(;B[dr]C[RIGHT])
(;B[fs];W[dr]))
(;B[fs];W[dr])
(;B[dr]C[];W[fs]
(;B[gs];W[is];B[fs]C[RIGHT])
(;B[is];W[js];B[gs];W[hs];B[fs]C[RIGHT]))
(;B[is]C[];W[dr]))
(;B[fs];W[fr])
(;B[gq];W[fr])
(;B[dr];W[fr])
(;B[is]C[NOTTHIS])
(;B[gs];W[fr]))
(;W[fr];B[fq]C[RIGHT]))
(;B[fr];W[er];B[fq];W[fs])
(;B[fq];W[er])
(;B[fs];W[er])
(;B[bs];W[fr])
(;B[is];W[fr])
(;B[ap];W[er]))
(;W[er];B[an]C[RIGHT])
(;W[dr];B[bs]
(;W[fq];B[an]C[RIGHT])
(;W[an];B[fq]C[RIGHT])))
(;B[er];W[fq]
(;B[fr];W[gq];B[cs];W[dr]
(;B[fs];W[an])
(;B[an];W[bs])
(;B[bs];W[an]))
(;B[fs];W[cs])
(;B[cs];W[dr]
(;B[bs];W[an])
(;B[an];W[bs])))
(;B[an];W[bs]
(;B[ap];W[ar]
(;B[er];W[fq])
(;B[fr];W[fq])
(;B[fq];W[fr]))
(;B[er];W[fq])
(;B[ar];W[ap]
(;B[fr];W[fq])
(;B[er];W[fq]))
(;B[cs];W[dr])
(;B[fq];W[fr])
(;B[fr];W[fq]))
(;B[fq];W[er];B[fr];W[fs];B[an];W[bs];B[cs];W[dr];B[cs];W[ds])
(;B[fr];W[er]
(;B[an];W[bs]
(;B[fq];W[fs];B[ap];W[ar];B[cs];W[dr])
(;B[cs];W[dr];B[fq];W[fs];B[cs];W[ds]))
(;B[fs];W[fq]))
(;B[is]C[NOTTHIS])
(;B[bs];W[an]
(;B[er];W[fr])
(;B[fr];W[er])
(;B[fq];W[fr])
(;B[fs];W[er])))
(;W[an];B[fq]
(;W[fr];B[er]C[]
(;W[fs];B[cs]C[RIGHT])
(;W[cs];B[bs]C[RIGHT]))
(;W[er];B[fr]C[];W[fs];B[es]C[RIGHT])
(;W[es];B[er]C[RIGHT]))
(;W[er];B[an];W[bs];B[cs]C[]
(;W[as];B[ar]
(;W[bs];B[ap]C[RIGHT])
(;W[ap];B[bs]C[RIGHT]))
(;W[ap];B[as];W[aq]C[sekiRIGHT]))
(;W[bs];B[fq]
(;W[er];B[fr];W[fs];B[es];W[gs];B[ar];W[cs];B[as]C[RIGHT])
(;W[fr];B[er]C[RIGHT]))
(;W[fr];B[an];W[bs];B[cs]C[]
(;W[as];B[ar];W[bs];B[ap]C[RIGHT])
(;W[ap];B[as];W[aq]C[sekiRIGHT]))
(;W[cs];B[an];W[bs];B[ar];W[ap];B[fq]C[]
(;W[er];B[fr];W[fs];B[es]C[RIGHT])
(;W[es];B[fr];W[fs];B[er]C[RIGHT])
(;W[fr];B[er]C[RIGHT])))
(;B[bs];W[an]
(;B[fr];W[fq])
(;B[ds];W[fr])
(;B[er];W[fq])
(;B[fq];W[fr])
(;B[cs];W[fr]))
(;B[an];W[bs]
(;B[ar];W[ap]
(;B[fr];W[er])
(;B[fq];W[fr])
(;B[ds];W[fr])
(;B[er];W[fq]))
(;B[ds]
(;W[es]C[the only whites move (please check out w C1 instead)CHOICE]TR[cs]
(;B[ap];W[ar]
(;B[er];W[fq])
(;B[fr];W[fq])
(;B[fq];W[fr]))
(;B[er];W[fq])
(;B[ar];W[ap]
(;B[fr];W[fq])
(;B[er];W[fq]))
(;B[cs];W[dr])
(;B[fq];W[fr])
(;B[fr];W[fq]))
(;W[cs];B[ar];W[ap];B[fq]C[]
(;W[er];B[fr];W[fs];B[es]C[RIGHT])
(;W[es];B[fr];W[fs];B[er]C[RIGHT])
(;W[fr];B[er]C[RIGHT])))
(;B[ap];W[ar]
(;B[ds];W[cs]
(;B[fq];W[fr];B[er];W[fs])
(;B[fr];W[fq]
(;B[er];W[gq])
(;B[gq];W[er])))
(;B[fr];W[er];B[ds];W[cs];B[fq];W[fs]C[FORCE];B[es];W[dr]C[FORCE];B[es];W[ds]C[FORCE];B[aq];W[gs])
(;B[fq];W[fr];B[ds];W[cs];B[er];W[fs]))
(;B[fq];W[er])
(;B[fr];W[fq]))
(;B[cs];W[an]
(;B[fq];W[er]
(;B[fr];W[fs])
(;B[ds];W[fr]))
(;B[fr];W[er]
(;B[fq];W[fs])
(;B[fs];W[fq]
(;B[es];W[gq])
(;B[gq];W[es]))
(;B[es];W[fq]))
(;B[er];W[fq]
(;B[fr];W[gq]
(;B[gs];W[is])
(;B[dr];W[ds])
(;B[ds];W[is])
(;B[is];W[js]))
(;B[ds];W[fr])))
(;B[er];W[fq])
(;B[fq];W[er];B[fr];W[fs]
(;B[ds];W[es];B[an];W[bs];B[cs];W[dr];B[cs];W[ds])
(;B[an];W[bs])
(;B[cs];W[ds]))
(;B[ap];W[an]
(;B[bs];W[ar])
(;B[ar];W[bs]))
(;B[fr];W[er]
(;B[fq];W[fs]
(;B[ds];W[es])
(;B[an];W[bs])
(;B[cs];W[ds]))
(;B[is]C[])
(;B[fs];W[fq]
(;B[ds];W[an])
(;B[an];W[bs])
(;B[gq];W[es]))
(;B[an];W[bs])
(;B[bs];W[an]))
(;B[is]C[])
(;B[es];W[fr]))
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