invalid problem set
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Problem | 9558 |
Created | 2006-12-08 |
Name | k84 |
Source | |
Rating | |
Difficulty | 7.8 kyu |
Average Solve Time | 49 secs |
User Attempts |
1011 / 3596 |
Solve Ratio Rating | 4 kyu |
| rating history |
How can black save his group at b5?
(;AB[bp]AB[bo]AB[co]AB[do]AB[dn]AB[fn]AB[fo]AB[cq]AB[cr]AB[gp]AB[gq]AB[iq]AW[cp]AW[dp]AW[dq]AW[fp]AW[fq]AW[bq]AW[br]AW[cm]AW[dm]AW[fm]AW[gm]AW[gn]AW[go]AW[bn]AB[io]C[black to live]TR[bo]TR[bp]TR[co]TR[do]TR[dn]TR[fn]TR[fo]AP[goproblems]
(;B[dr]
(;W[er]
(;B[fr];W[ds]
(;B[ep];W[cs]C[CHOICE];B[eq]C[RIGHT])
(;B[eq];W[ep]))
(;B[eq];W[ep])
(;B[ep];W[eq]
(;B[es];W[eo]
(;B[fr];W[en]
(;B[bs];W[ar]
(;B[ao];W[cn];B[aq];W[ap]C[ko])
(;B[ap];W[cn])
(;B[gr];W[cn])
(;B[aq];W[ap];B[ao];W[an]C[ko]))
(;B[gr];W[cs])
(;B[hr];W[cs])
(;B[ds];W[gr]))
(;B[en];W[cs])
(;B[gs];W[cs]))
(;B[fr];W[es])))
(;W[fr]C[thanks to quartzie for this var];B[bs];W[ar];B[ap];W[er];B[aq]C[RIGHT]))
(;B[fr];W[dr])
(;B[ep];W[eq]
(;B[dr];W[es]
(;B[er];W[fr];B[gr];W[eo])
(;B[fr];W[er];B[fs];W[eo])
(;B[bs];W[cs]
(;B[ar];W[as]C[ko])
(;B[ds];W[er])))
(;B[fr];W[dr]))
(;B[eq];W[ep]
(;B[er];W[dr])
(;B[dr];W[er]))
(;B[er];W[dr])
(;B[bs];W[dr]))
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