invalid problem set
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life and death
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Problem | 8464 |
Created | 2006-04-28 |
Name | k4 |
Source | www.DashN.com |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 68 secs |
User Attempts |
63 / 787 |
Solve Ratio Rating | 4 dan |
| rating history |
ko is not a solution
(;AB[br]AB[bq]AB[dq]AB[cq]AB[do]AB[ep]AB[fp]AB[gp]AB[hp]AB[ip]AB[jq]AB[kq]AB[kr]AB[ks]AB[gq]AW[cr]AW[dr]AW[er]AW[eq]AW[fq]AW[es]AB[cs]AB[ds]AW[gr]AW[hq]AW[iq]AW[jr]AW[is]C[Black to kill]AP[goproblems]
(;B[gs]
(;W[hs]C[CHOICE]
(;B[fs]
(;W[bs]C[CHOICE]
(;B[js]
(;W[cs]C[]
(;B[hr];W[fr]
(;B[gs]C[RIGHT])
(;B[ir];W[gs]))
(;B[ir];W[fr]))
(;W[fr]
(;B[gs];W[cs];B[hr]C[RIGHT])
(;B[cs];W[ir])
(;B[ir];W[cs])
(;B[hr];W[ir])))
(;B[cs];W[ir])
(;B[ir];W[hr]C[w lives with a or b]LB[cs:a]LB[js:b]
(;B[js];W[cs])
(;B[cs];W[js]))
(;B[hr];W[ir]))
(;W[fr];B[ir]C[RIGHT]))
(;B[hr];W[ir])
(;B[ir];W[hr];B[fs];W[bs]
(;B[js];W[cs])
(;B[cs];W[js]))
(;B[js];W[fs])
(;B[fr];W[fs]))
(;W[hr];B[bs]
(;W[hs];B[fs]C[RIGHT])
(;W[js];B[fr]C[RIGHT]))
(;W[bs];B[hr]C[RIGHT]))
(;B[fs];W[bs]
(;B[cs];W[gs])
(;B[gs];W[hr]
(;B[js];W[cs];B[ir];W[fr])
(;B[cs];W[js]))
(;B[js];W[gs])
(;B[hr];W[ir]))
(;B[hr];W[ir]
(;B[fs];W[bs])
(;B[gs];W[hs]))
(;B[ir];W[hr];B[js];W[ir]
(;B[fs];W[bs])
(;B[gs];W[bs]))
(;B[js];W[hr]
(;B[bs];W[fs])
(;B[fs];W[bs]
(;B[cs];W[gs]C[ko])
(;B[ir];W[cs]
(;B[hs];W[fr])
(;B[gs];W[fr]))
(;B[gs];W[cs];B[ir];W[fr]))
(;B[gs];W[bs]
(;B[ir];W[fs];B[hs];W[is])
(;B[cs];W[fs])
(;B[fs];W[cs];B[ir];W[fr]))
(;B[ir]C[ko]))
(;B[bs];W[gs])
(;B[hs];W[hr]
(;B[fs];W[bs]
(;B[cs];W[gs])
(;B[gs];W[cs];B[js];W[fr])
(;B[js];W[gs]))
(;B[js];W[ir]
(;B[fs];W[bs]
(;B[cs];W[gs])
(;B[gs];W[fr]))
(;B[gs];W[fs]))))
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