invalid problem set
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life and death
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-1
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Problem | 14314 |
Created | 2010-12-28 |
Source | Modified from last problem |
Rating | |
Difficulty | 6 dan |
Average Solve Time | 33 secs |
User Attempts |
57 / 247 |
Solve Ratio Rating | 2 kyu |
| rating history |
Whoo! Too many possible moves. I probably missed something. Thanks to Smartaleck for this interesting variation
(;SZ[9]AB[cf]AB[df]AB[ef]AB[ff]AW[bf]AW[af]AW[ag]AW[ce]AW[de]AW[fe]AW[ee]AW[cc]AB[ib]AB[he]AB[gf]AB[hf]AW[ge]AW[gd]AW[gc]AB[gb]AW[hc]AW[ic]AB[hb]AB[eb]LB[eb:1]C[Black just played 1. Sneaky. Do your best. Please refrain from playing unnecessary forcing moves.]AB[ah]AW[be]AB[bg]AB[ch]AB[gg]AP[goproblems]
(;W[cb];B[fc];W[ec];B[db]
(;W[fa];B[fb])
(;W[da];B[ea]
(;W[ha];B[ga];W[fb]C[RIGHT])
(;W[fa];B[ga])
(;W[ga];B[ha])
(;W[fb];B[fa]
(;W[ha]C[RIGHT])
(;W[fd];B[ha];W[fb]C[Black has no ko threats, so White kills. But why not kill unconditionally?RIGHT])))
(;W[ha];B[da];W[fa];B[fb];W[ga]C[Seki]))
(;W[db];B[dc]
(;W[ec];B[fb]
(;W[ea];B[cb]
(;W[dd];B[fa]
(;W[ha];B[da];W[dc];B[bb]
(;W[ab];B[bc]
(;W[ac];B[bd];W[ad];B[ba];W[fc];B[hd];W[cd];B[id]C[seki])
(;W[ca]C[];B[ba];W[ac];B[bd];W[ad];B[hd]C[seki]))
(;W[ca]C[];B[ba];W[ab];B[bc];W[ac];B[bd];W[ad];B[hd]C[seki]))
(;W[da];B[ha]))
(;W[da];B[fa];W[dd];B[ha]))
(;W[da];B[ea])
(;W[ha];B[cb]
(;W[dd];B[da];W[dc];B[bb]
(;W[ab];B[bc]
(;W[ac];B[ad];W[bd];B[aa];W[ca];B[ea]
(;W[ac];B[ga])
(;W[ga];B[ac]))
(;W[ca]C[];B[ea]
(;W[ga];B[ac])
(;W[ac];B[ga]))
(;W[ea];B[ca]))
(;W[ca]C[];B[ea]
(;W[ga];B[ba];W[ab];B[bc]
(;W[bd];B[ac])
(;W[ac];B[bd];W[ad];B[aa];W[ae];B[fc];W[fd];B[hd];W[cd];B[ca];W[fa];B[ia];W[ga];B[id]))
(;W[bc];B[ga])
(;W[ab];B[ga]))
(;W[ea];B[ca];W[ab];B[ac]))
(;W[da];B[ea]
(;W[ga];B[ca])
(;W[dd];B[ga]))))
(;W[cb];B[fc]
(;W[ea];B[fa];W[da];B[ha])
(;W[fa];B[ea])
(;W[ha];B[fa])
(;W[ga];B[fa])
(;W[ed]C[NOTTHIS])
(;W[dd]C[NOTTHIS]))
(;W[fc];B[fb]
(;W[ec];B[ea])
(;W[cb];B[ea])
(;W[ea];B[cb];W[ca];B[da]C[White has no large enough ko threats and so will lose]))
(;W[ea];B[fa]
(;W[ha];B[cb])
(;W[cb];B[ha])))
(;W[fc];B[fb])
(;W[ec];B[fb])
(;W[fb];B[fc]
(;W[fa];B[ec])
(;W[ec];B[fa]
(;W[ha];B[db])
(;W[db];B[ha])
(;W[fd];B[fb]
(;W[db];B[ha])
(;W[ha];B[db]))
(;W[da];B[db]
(;W[cb];B[ha])
(;W[ha];B[cb])
(;W[ca];B[cb]
(;W[bb];B[ha])
(;W[ha];B[bb])))))
(;W[fa];B[fb])
(;W[dc];B[fb])
(;W[ha];B[cb]
(;W[dc];B[db])
(;W[bb];B[db]
(;W[ca];B[fb]
(;W[da];B[ga];W[ea];B[ba];W[aa];B[fa])
(;W[ga];B[da];W[fa]C[Seki]))
(;W[fb];B[fc];W[fa];B[ea]
(;W[ec];B[ga];W[fb];B[ca])
(;W[ca];B[ec])))
(;W[fb];B[fc]
(;W[ec];B[fa];W[db];B[da];W[dc];B[bb];W[ca];B[ba];W[ab];B[bc];W[ac];B[bd];W[ad];B[hd];W[cd];B[fd];W[ae];B[ca];W[aa];B[ea];W[ed];B[id];W[fb];B[fc]C[seki])
(;W[fa];B[ea];W[ec];B[ga];W[fb];B[db])))
(;W[da];B[fc]
(;W[fa];B[ea])
(;W[ea];B[fa];W[ec];B[db];W[cb];B[ca];W[da];B[ha])
(;W[ec];B[dc];W[ed];B[cb];W[db];B[ea]
(;W[dd];B[fb])
(;W[fb];B[fa]
(;W[ha];B[ca])
(;W[dd];B[ha])))
(;W[db];B[dc]))
(;W[ca];B[fb]
(;W[ea];B[ha];W[fa];B[db];W[da];B[cb];W[bb];B[ba];W[aa];B[ga])
(;W[ha];B[db];W[da];B[ga];W[ea];B[cb];W[bb];B[ba];W[aa];B[fa]))
(;W[ea];B[fa]
(;W[ha];B[db])
(;W[da];B[db])
(;W[db];B[ha])))
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