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life and death
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Problem | 21288 |
Created | 2016-08-08 |
Source | |
Rating | |
Difficulty | 1.2 dan |
Average Solve Time | 63 secs |
User Attempts |
155 / 550 |
Solve Ratio Rating | 4 kyu |
| rating history |
xxg/272
(;FF[4]SZ[9]C[A common shape.
White can capture this group without a ko, so attempts to setup a ko are rejected.
This is problem 272 from tsumego.tasuki.org/books/xxqj.pdf]
AB[eb][fb][bc][cc][dc][bd]
AW[ga][gb][ec][fc][gc][cd][dd][be][cf]
(;W[ae];B[db]
(;W[bb];B[ca])
(;W[ad];B[bb])
(;W[ab];B[ca]))
(;W[af];B[db])
(;W[bb];B[db]
(;W[ae];B[ca])
(;W[ba];B[ab])
(;W[ca];B[ab])
(;W[ea];B[ca])
(;W[fa];B[ca])
(;W[ac];B[ad])
(;W[ad];B[ab])
(;W[cb];B[ba])
(;W[ab];B[ca]))
(;W[ba];B[db]
(;W[bb];B[ab])
(;W[fa];B[ab])
(;W[ad];B[ac])
(;W[ab];B[ca]))
(;W[ca];B[db]
(;W[bb];B[ab])
(;W[ea];B[bb])
(;W[fa];B[bb])
(;W[ad];B[bb])
(;W[ab];B[ae]))
(;W[da];B[bb]
(;W[ba];B[db])
(;W[ca];B[db])
(;W[ea];B[ca])
(;W[fa];B[ca])
(;W[db];B[cb])
(;W[aa];B[db])
(;W[ac];B[db])
(;W[ad];B[db])
(;W[cb];B[db])
(;W[ab];B[db]))
(;W[ea];B[db]
(;W[bb];B[ca])
(;W[ca];B[bb])
(;W[da];B[bb])
(;W[fa];B[bb])
(;W[ad];B[bb]))
(;W[fa];B[db]
(;W[bb];B[ca])
(;W[ba];B[ab])
(;W[ca];B[bb])
(;W[da];B[bb])
(;W[ea];B[bb])
(;W[ac];B[bb])
(;W[ad];B[bb])
(;W[ab];B[ca]))
(;W[db];B[ca]
(;W[ae];B[cb]
(;W[ba];B[da])
(;W[ea];B[da])
(;W[fa];B[da])
(;W[ac];B[da])
(;W[ad];B[ab])
(;W[ab];B[da]))
(;W[af];B[cb]
(;W[ba];B[da])
(;W[ea];B[da])
(;W[fa];B[da])
(;W[ac];B[da])
(;W[ad];B[da])
(;W[ab];B[da]))
(;W[bb];B[cb]
(;W[ba];B[da])
(;W[ea];B[da])
(;W[fa];B[da])
(;W[aa];B[da])
(;W[ac];B[da])
(;W[ad];B[da])
(;W[ab];B[da]))
(;W[ba];B[bb]
(;W[ae];B[aa])
(;W[da];B[aa])
(;W[ea];B[aa])
(;W[fa];B[aa])
(;W[aa];B[ab])
(;W[ac];B[aa])
(;W[ad];B[aa])
(;W[cb];B[da]))
(;W[da];B[bb]
(;W[ba];B[aa])
(;W[ea];B[aa])
(;W[fa];B[aa])
(;W[aa];B[ad])
(;W[ac];B[ae])
(;W[ad];B[ac])
(;W[cb];B[ea])
(;W[ab];B[ae]))
(;W[ea];B[ab]
(;W[ae];B[cb]
(;W[ba];B[da])
(;W[ad];B[da]))
(;W[af];B[cb]
(;W[ba];B[da])
(;W[ad];B[da]))
(;W[bb];B[cb]
(;W[ba];B[da])
(;W[aa];B[ba])
(;W[ac];B[ad])
(;W[ad];B[da]))
(;W[ba];B[bb]
(;W[ae];B[ad]
(;W[da];B[aa])
(;W[fa];B[cb])
(;W[cb];B[da]))
(;W[af];B[ad]
(;W[da];B[cb])
(;W[fa];B[cb])
(;W[cb];B[da]))
(;W[da];B[cb]
(;W[fa];B[ad])
(;W[ad];B[fa]))
(;W[fa];B[ad]
(;W[ae];B[cb])
(;W[af];B[cb])
(;W[da];B[cb])
(;W[fb];B[cb])
(;W[eb];B[cb])
(;W[cb]C[RIGHT]))
(;W[ac];B[ad]
(;W[da];B[aa])
(;W[fa];B[cb])
(;W[cb];B[da]))
(;W[ad]C[RIGHT])
(;W[cb];B[da]
(;W[fa];B[db])
(;W[db];B[cb])
(;W[ad];B[fa])
(;W[cb];B[db])))
(;W[da];B[cb])
(;W[fa];B[cb]
(;W[ba];B[ad])
(;W[ad];B[ba]))
(;W[aa];B[ba]
(;W[fa];B[cb])
(;W[ad];B[cb])
(;W[cb];B[ad]))
(;W[ac];B[ad]
(;W[bb];B[cb])
(;W[ba];B[cb])
(;W[fa];B[bb])
(;W[cb];B[bb]))
(;W[ad];B[cb]
(;W[ae];B[da]
(;W[ba];B[fa])
(;W[fa];B[ba]))
(;W[af];B[da]
(;W[ba];B[fa])
(;W[fa];B[ba]))
(;W[bb];B[da]
(;W[ba];B[fa])
(;W[fa];B[ba]))
(;W[ba];B[da]
(;W[ae];B[fa])
(;W[af];B[fa])
(;W[bb];B[fa])
(;W[fa]C[RIGHT])
(;W[aa];B[fa])
(;W[ac];B[ae]
(;W[fa];B[ad])
(;W[ad];B[fa])))
(;W[fa];B[ba])
(;W[aa];B[ba])
(;W[ac];B[da]
(;W[ba];B[ae])
(;W[fa];B[ba])))
(;W[cb];B[bb]
(;W[ae];B[da]
(;W[db];B[cb])
(;W[ad];B[fa]))
(;W[af];B[ad]
(;W[ba];B[da])
(;W[da];B[ba])
(;W[fa];B[ba]))
(;W[ba];B[da]
(;W[fa];B[db])
(;W[db];B[cb])
(;W[ad];B[fa])
(;W[cb];B[db]))
(;W[da];B[fa]
(;W[db];B[da])
(;W[ad];B[db]))
(;W[fa];B[ad]
(;W[ae];B[ba])
(;W[af];B[ba])
(;W[ba]C[RIGHT])
(;W[da];B[ba])
(;W[fb];B[ba])
(;W[eb];B[ba]))
(;W[aa];B[da]
(;W[db];B[cb])
(;W[ad];B[fa]))
(;W[ac];B[ad]
(;W[ba];B[da])
(;W[da];B[fa])
(;W[fa];B[ba]))
(;W[ad];B[da]
(;W[ae];B[fa];W[db];B[cb])
(;W[af];B[fa];W[db];B[cb])
(;W[ba];B[fa];W[db];B[cb])
(;W[fa];B[db])
(;W[db];B[fa]
(;W[ae];B[cb])
(;W[af];B[cb])
(;W[ba];B[cb])
(;W[ea]C[RIGHT])
(;W[aa];B[cb])
(;W[ac];B[cb]))
(;W[aa];B[fa];W[db];B[cb])
(;W[ac];B[ae]
(;W[db];B[cb])
(;W[ad];B[fa])))))
(;W[fa];B[ab]
(;W[ae];B[cb]
(;W[ba];B[da])
(;W[ad];B[da]))
(;W[af];B[cb]
(;W[ba];B[da])
(;W[ad];B[da]))
(;W[bb];B[cb]
(;W[ba];B[da])
(;W[aa];B[ba])
(;W[ac];B[ea])
(;W[ad];B[da]))
(;W[ba];B[bb]
(;W[ae];B[ad]
(;W[da];B[aa])
(;W[ea];B[cb])
(;W[cb];B[da]))
(;W[af];B[ad]
(;W[da];B[cb])
(;W[ea];B[cb])
(;W[cb];B[da]))
(;W[da];B[cb]
(;W[ea];B[ad])
(;W[ad];B[ea]))
(;W[ea];B[ad]
(;W[ae];B[cb])
(;W[af];B[cb])
(;W[da];B[cb])
(;W[fb];B[cb])
(;W[eb];B[cb])
(;W[cb]C[RIGHT]))
(;W[ac];B[ad]
(;W[da];B[aa])
(;W[ea];B[cb])
(;W[cb];B[da]))
(;W[ad]C[RIGHT])
(;W[cb];B[da]
(;W[ea];B[db])
(;W[db];B[cb])
(;W[ad];B[aa])))
(;W[da];B[cb])
(;W[ea];B[cb]
(;W[ba];B[ad])
(;W[ad];B[ba]))
(;W[aa];B[ba]
(;W[ea];B[cb])
(;W[ad];B[cb])
(;W[cb];B[ad]))
(;W[ac];B[cb]
(;W[bb];B[ea])
(;W[ba];B[da])
(;W[aa];B[da])
(;W[ad];B[da]))
(;W[ad];B[cb]
(;W[ae];B[da]
(;W[ba];B[ea])
(;W[ea];B[ba]))
(;W[af];B[da]
(;W[ba];B[ea])
(;W[ea];B[ba]))
(;W[bb];B[da]
(;W[ba];B[ea])
(;W[ea];B[ba]))
(;W[ba];B[da]
(;W[ae];B[ea])
(;W[af];B[ea])
(;W[bb];B[ea];W[ac];B[ae])
(;W[ea]C[RIGHT])
(;W[aa];B[ea])
(;W[ac];B[ae]
(;W[ea];B[ad])
(;W[ad];B[ea])))
(;W[ea];B[ba])
(;W[aa];B[da]
(;W[ba];B[ea])
(;W[ea];B[ba]))
(;W[ac];B[da]
(;W[ba];B[ae])
(;W[ea];B[ba])))
(;W[cb];B[bb]
(;W[ae];B[da])
(;W[af];B[ba]
(;W[ea];B[ad])
(;W[ad];B[da]))
(;W[ba];B[da]
(;W[ea];B[db])
(;W[db];B[cb])
(;W[ad];B[aa]))
(;W[da];B[ea])
(;W[ea];B[ad]
(;W[ae];B[ba])
(;W[af];B[ba])
(;W[ba]C[RIGHT])
(;W[da];B[ba])
(;W[fb];B[ba])
(;W[eb];B[ba]))
(;W[ac];B[ad]
(;W[ba];B[da])
(;W[da];B[ea])
(;W[ea];B[ba]))
(;W[ad];B[da]
(;W[ba];B[aa])
(;W[ea];B[db])
(;W[db];B[ea]))))
(;W[aa];B[cb]
(;W[bb];B[da])
(;W[ba];B[da])
(;W[ea];B[da])
(;W[fa];B[da])
(;W[ac];B[da])
(;W[ad];B[da])
(;W[ab];B[da]))
(;W[ac];B[ab]
(;W[bb];B[ad])
(;W[ba];B[ea])
(;W[da];B[ea])
(;W[ea];B[ad])
(;W[fa];B[cb])
(;W[aa];B[ad])
(;W[ad];B[ae])
(;W[cb];B[ba]))
(;W[ad];B[ea]
(;W[ae];B[ac]
(;W[bb];B[cb])
(;W[ba];B[cb])
(;W[da];B[cb])
(;W[fa];B[da])
(;W[cb];B[bb])
(;W[ab];B[cb]))
(;W[af];B[cb]
(;W[bb];B[da])
(;W[fa];B[da])
(;W[aa];B[da])
(;W[ac];B[ab])
(;W[ab];B[ac]))
(;W[bb];B[cb]
(;W[ae];B[ac];W[fa];B[da])
(;W[af];B[da]
(;W[ae];B[aa])
(;W[fa];B[ab])
(;W[ac];B[ab])
(;W[ab];B[ac]))
(;W[ba];B[da]
(;W[fa];B[ab])
(;W[ac];B[ab])
(;W[ab];B[ac]))
(;W[fa];B[ab]
(;W[ba];B[da])
(;W[da];B[ba])
(;W[aa];B[ba])
(;W[ac];B[ae]))
(;W[aa];B[da]
(;W[ae];B[ac])
(;W[fa];B[ac])
(;W[ac];B[ba])
(;W[ab];B[ac]))
(;W[ac];B[ab]
(;W[ae];B[ba])
(;W[af];B[ba])
(;W[ba];B[da];W[fa];B[ae])
(;W[fa];B[ae])
(;W[aa];B[da]
(;W[ae]C[RIGHT])
(;W[af];B[ba]
(;W[ae];B[ab])
(;W[fa];B[ab])
(;W[ab];B[ae]))
(;W[fa]C[RIGHT])
(;W[ab]C[RIGHT])))
(;W[ab];B[ac]
(;W[ba];B[aa])
(;W[fa];B[da])))
(;W[ba];B[cb]
(;W[bb];B[da])
(;W[fa];B[da])
(;W[ac];B[ab])
(;W[ab];B[ac]))
(;W[da];B[cb]
(;W[ac];B[ab])
(;W[ab];B[ac]))
(;W[fa];B[da]
(;W[ae];B[ac])
(;W[bb];B[ab])
(;W[ba];B[cb])
(;W[aa];B[bb])
(;W[ac];B[ab])
(;W[cb];B[bb])
(;W[ab];B[ac]))
(;W[aa];B[bb]
(;W[ba];B[ab])
(;W[da];B[cb])
(;W[fa];B[da])
(;W[ac];B[ba])
(;W[ab];B[ba]))
(;W[ac];B[ab]
(;W[ae];B[bb])
(;W[bb];B[ae])
(;W[ba];B[ae])
(;W[da];B[cb])
(;W[fa];B[da])
(;W[aa];B[ae])
(;W[cb];B[bb]))
(;W[cb];B[bb]
(;W[ae];B[ab])
(;W[ba];B[da])
(;W[fa];B[da])
(;W[ac];B[ab])
(;W[ab];B[ae]))
(;W[ab];B[cb]
(;W[ae];B[ac];W[fa];B[da])
(;W[af];B[ac];W[fa];B[da])
(;W[bb];B[ac]
(;W[ba];B[aa])
(;W[fa];B[da]))
(;W[ba];B[ac]
(;W[bb];B[aa])
(;W[fa];B[da]))
(;W[fa];B[da]
(;W[ae];B[ac])
(;W[af];B[ac])
(;W[bb];B[ac];W[ba];B[ae])
(;W[ba];B[ac];W[bb];B[ae])
(;W[aa];B[ac])
(;W[ac]C[RIGHT]))
(;W[aa];B[ac];W[fa];B[da])
(;W[ac]C[RIGHT])))
(;W[cb];B[bb]
(;W[ba];B[da])
(;W[da];B[ea])
(;W[ea];B[da])
(;W[fa];B[da])
(;W[aa];B[da])
(;W[ac];B[da])
(;W[ad];B[da]))
(;W[ab];B[bb]
(;W[da];B[ae])
(;W[ea];B[aa])
(;W[fa];B[da])
(;W[aa];B[ea])
(;W[ac];B[ad])
(;W[ad];B[ac])))
(;W[ac];B[db]
(;W[bb];B[ad])
(;W[fa];B[bb])
(;W[ad];B[bb])
(;W[ab];B[ca]))
(;W[ad];B[db]
(;W[ae];B[bb])
(;W[bb];B[ab])
(;W[ba];B[ac])
(;W[ca];B[bb])
(;W[ea];B[bb])
(;W[fa];B[bb])
(;W[ac];B[bb])
(;W[ab];B[ca]))
(;W[cb];B[db]
(;W[bb];B[ba])
(;W[ab];B[ca]))
(;W[ab];B[db]
(;W[ae];B[ca])
(;W[bb];B[ca])
(;W[ba];B[ca])
(;W[ca];B[ae])
(;W[fa];B[ca])
(;W[ac];B[ca])
(;W[ad];B[ca])
(;W[cb];B[ca])))
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