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life and death
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Problem | 13805 |
Created | 2010-06-27 |
Name | k144 |
Source | dashnet |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 93 secs |
User Attempts |
51 / 274 |
Solve Ratio Rating | 1 kyu |
| rating history |
ko is not a solution
(;AB[es]AB[dr]AB[dq]AW[er]AW[fr]AB[fq]AB[fp]AW[gq]AW[gp]AW[cr]AW[bq]AB[cp]AW[hq]AW[iq]AW[jr]AW[ks]AB[jq]AB[kr]AB[jp]AB[lr]AB[mq]AB[jo]AW[ip]AB[fo]AW[io]AB[gn]AB[jn]AB[hm]AB[im]AW[bp]AW[cn]C[black to kill]AP[goproblems]
(;B[ho];W[fs]
(;B[ds];W[hs]
(;B[ir];W[js])
(;B[js];W[is]))
(;B[hr];W[ds])
(;B[ir];W[ds])
(;B[gr];W[hr]))
(;B[fs];W[gs]
(;B[ds];W[ho]
(;B[is]
(;W[ir]C[CHOICE]
(;B[gr];W[hr];B[js]C[RIGHT])
(;B[js];W[hs]))
(;W[hs];B[gr];W[hr];B[js]C[RIGHT]))
(;B[ir];W[is]C[ko])
(;B[hr];W[gr];B[ir];W[is]C[ko])
(;B[gr];W[hr])
(;B[hs];W[hr]C[ko]))
(;B[ho];W[ds])
(;B[hs]
(;W[ds])))
(;B[ir];W[fs]
(;B[ds];W[is]C[ko]
(;B[hr];W[gr])
(;B[js]C[NOTTHIS]))
(;B[hr];W[gr]
(;B[ds];W[is]C[ko])
(;B[js];W[ds])))
(;B[is];W[fs];B[ds];W[hs]
(;B[hr];W[ir];B[gs];W[gr];B[hs];W[ho])
(;B[ir];W[hr]))
(;B[hr];W[fs]
(;B[gr];W[ir];B[ds];W[hs])
(;B[ds];W[ir]
(;B[ho];W[hs])
(;B[hs];W[ho]))
(;B[ir]))
(;B[hs];W[fs]
(;B[ds];W[hr]
(;B[is];W[js]
(;B[gs];W[ho])
(;B[eq];W[ir];B[gs];W[gr]
(;B[ho];W[hs])))
(;B[ls];W[gs]
(;B[js];W[is]C[ko])
(;B[is];W[ir])))
(;B[gr];W[hr]
(;B[eq];W[ds])
(;B[ds];W[gs]))
(;B[ir];W[ds]))
(;B[gr];W[hr])
(;B[gs];W[fs]
(;B[gr];W[ds];B[eq];W[hr];B[es];W[hs]
(;B[cs];W[ho])
(;B[ho];W[fr]))
(;B[ds];W[hs]))
(;B[eq];W[fs];B[gr];W[ds];B[gs];W[hs];B[es];W[hr]
(;B[ho];W[fr])
(;B[cs];W[ho]))
(;B[ds];W[fs]
(;B[ir])
(;B[is])
(;B[ho])))
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