invalid problem set
Problem | 15076 |
Created | 2011-08-13 |
Name | battle for life II |
Source | korea book |
Rating | |
Difficulty | 6 dan |
Average Solve Time | 77 secs |
User Attempts |
46 / 256 |
Solve Ratio Rating | 1 dan |
| rating history |
very difficult Tsumego but extrordinary interresting
(;SZ[13]AB[bb]AB[cb]AB[eb]AB[ec]AB[ed]AB[dc]AB[fc]AB[gb]AB[hb]AB[ib]AB[ic]AB[jc]AB[kc]AB[lc]AB[kb]AW[da]AW[db]AW[ab]AW[bc]AW[cc]AW[dd]AW[ee]AW[ce]AW[fd]AW[gc]AW[hc]AW[ge]AW[id]AW[jd]AW[kd]AW[ld]AW[md]AW[mc]AW[mb]AW[lb]AW[ja]AW[jb]AW[ia]AW[ka]C[black play an survive]AP[goproblems]
(;B[ha];W[ea];B[la];W[ja];B[fb];W[fa]
(;B[ba];W[ac];B[ga];W[aa];B[ca];W[ea]
(;B[ka];W[db];B[fa];W[da];B[cb]C[Black play and survive !RIGHT])
(;B[fa];W[da];B[ka];W[db];B[cb]C[Black play and survive !RIGHT]))
(;B[ga];W[ba];B[ca];W[ea]
(;B[ka];W[db]
(;B[fa];W[da])
(;B[aa]C[Just ko]))
(;B[db];W[ka])
(;B[aa]C[Just ko])))
(;B[fa];W[ha];B[ea];W[la];B[ca];W[ga])
(;B[ea];W[ga]
(;B[ca];W[ha])
(;B[fa];W[fb]))
(;B[la];W[ea];B[ha];W[ja];B[fb];W[fa]
(;B[ba];W[ac];B[ga];W[aa];B[ca];W[ea]
(;B[ka];W[db];B[fa];W[da];B[cb]C[Black play and survive !RIGHT])
(;B[fa];W[da];B[ka];W[db]))
(;B[ga];W[ba];B[ca];W[ea]
(;B[ka];W[db]
(;B[fa];W[da])
(;B[aa]C[Just ko]))
(;B[db];W[ka])
(;B[aa]C[Just ko]))))
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