invalid problem set
Problem | 6201 |
Created | 2005-03-23 |
Source | Hikaru no Go |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 29 secs |
User Attempts |
92 / 2019 |
Solve Ratio Rating | 5 dan |
| rating history |
This problem can be found at the title page of chapter 19 from Hikaru no Go
(;AW[cn]AW[dn]AW[en]AW[gn]AW[co]AW[go]AW[cp]AW[dq]AW[eq]AW[gq]AB[el]AB[gl]AB[cm]AB[dm]AB[em]AB[gm]AB[bn]AB[hn]AB[bo]AB[ho]AB[bp]AB[dp]AB[ip]AB[cq]AB[iq]AB[kq]AB[lq]AB[cr]C[Black to kill]
(;B[fr];W[gr]
(;B[fp];W[fq]
(;B[fn]C[];W[fo];B[gp]C[];W[ir];B[jr];W[is];B[hq];W[hr];B[gs]C[RIGHT])
(;B[gp];W[ep]
(;B[eo];W[hq]
(;B[fn];W[ir];B[jr];W[hs]C[White lives])
(;B[hp];W[ir];B[jr];W[hs]))
(;B[fo];W[eo]))
(;B[ep];W[gp]))
(;B[fq];W[fp];B[er];W[ep];B[dr];W[fn])
(;B[fn];W[fo]
(;B[fq];W[er])
(;B[er];W[fq])))
(;B[fp];W[gp]C[CHOICE]
(;B[fn];W[fo];B[ep];W[es]
(;B[fr];W[fq];B[gr];W[hr];B[hq];W[gs])
(;B[hr];W[gr];B[fs];W[dr];B[fr];W[gs];B[fq];W[eo]))
(;B[ep];W[es];B[dr];W[er];B[hr];W[gr];B[fn];W[fo];B[gs];W[fs])
(;B[fq];W[ep]
(;B[fo];W[fr];B[fn];W[eo];B[fm];W[hr])
(;B[fr];W[fo];B[do];W[er]))
(;B[fr];W[fq];B[ep];W[gr]))
(;B[eo];W[fo]
(;B[ep];W[fp];B[fr];W[gr];B[er];W[fq];B[dr];W[hq]
(;B[hp];W[ir];B[jr];W[hs])
(;B[ir];W[hp]))
(;B[fr];W[ep]))
(;B[fn];W[fo];B[fr];W[gr];B[gp];W[fp]
(;B[er];W[dr];B[ds];W[es];B[fs];W[gs];B[cs];W[ir];B[jr];W[is])
(;B[dr];W[er];B[es];W[fq];B[fs];W[gs];B[ds];W[ir];B[jr];W[is]))
(;B[gp];W[fp];B[fn];W[fo];B[fr];W[gr]
(;B[er];W[dr];B[ds];W[es];B[fs];W[gs];B[cs];W[ir];B[jr];W[is])
(;B[dr];W[er];B[es];W[fq];B[fs];W[gs];B[ds];W[ir];B[jr];W[is]))
(;B[hr];W[gr];B[fp];W[gp];B[fn];W[fo];B[ep];W[dr];B[eo];W[fm];B[fr];W[fs]))
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