invalid problem set
Problem | 21287 |
Created | 2016-08-08 |
Source | |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 53 secs |
User Attempts |
7 / 86 |
Solve Ratio Rating | 4 dan |
| rating history |
scp/2
(;FF[4]SZ[7]C[Black can capture white and there is only one way to do this. Moreover, black can capture this group even if white adds a stone at one of the marked points.
I have added only two moves in each wrong variation and it might be not obvious in some cases why that or this move is wrong. Adding 3-4 moves in each wrong line wouldn't be a problem, but then the SGF file would be way too big and the site would hang for a couple minutes before rendering the problem.]
AB[fa][fb][fc][fd][ae][be][ce][de][ee][fe]
AW[eb][ad][bd][cd][dd]
TR[aa][ab][ac][bc][ed]
(;B[cc];W[dc]
(;B[cb];W[db])
(;B[ca];W[db])
(;B[da];W[cb])
(;B[ea];W[cb])
(;B[ec];W[db])
(;B[ed];W[db])
(;B[ba];W[db])
(;B[ab];W[db])
(;B[db];W[cb])
(;B[bb];W[db]))
(;B[cb];W[db]
(;B[cc];W[dc]
(;B[ca];W[ab])
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba];W[ab])
(;B[ab];W[ba])
(;B[bb];W[ba]))
(;B[ca];W[bb]
(;B[cc];W[dc])
(;B[da];W[ea])
(;B[ea];W[ba])
(;B[ec];W[dc])
(;B[ba];W[dc])
(;B[ab];W[ba])
(;B[dc];W[ec])
(;B[bc];W[ac]))
(;B[da];W[bb]
(;B[cc];W[ba])
(;B[ca];W[ea])
(;B[ea];W[ba])
(;B[ec];W[ba])
(;B[ed];W[dc])
(;B[ba];W[cc])
(;B[aa];W[dc])
(;B[ab];W[ba])
(;B[ac];W[dc])
(;B[dc];W[ec])
(;B[bc];W[ac]))
(;B[ea];W[bb]
(;B[cc];W[bc])
(;B[ca];W[ba])
(;B[da];W[ba])
(;B[ec];W[dc])
(;B[ed];W[dc])
(;B[ba];W[da])
(;B[ab];W[ca])
(;B[ac];W[dc])
(;B[dc];W[ca])
(;B[bc];W[ca]))
(;B[ec];W[dc]
(;B[cc];W[ba])
(;B[ca];W[bb])
(;B[da];W[ba])
(;B[ea];W[bb])
(;B[ed];W[bb])
(;B[ba];W[bb])
(;B[ab];W[bb])
(;B[ac];W[ab])
(;B[bb];W[ab])
(;B[bc];W[ba]))
(;B[ed];W[dc]
(;B[cc];W[ba])
(;B[ca];W[ab])
(;B[da];W[bb])
(;B[ea];W[bb])
(;B[ec];W[bb])
(;B[ba];W[bb])
(;B[ab];W[ba])
(;B[ac];W[ab])
(;B[bb];W[ab])
(;B[bc];W[ab]))
(;B[ba];W[bb]
(;B[cc];W[dc])
(;B[ca];W[dc])
(;B[da];W[cc])
(;B[ea];W[da])
(;B[ec];W[dc])
(;B[ed];W[dc])
(;B[ab];W[bc])
(;B[ac];W[ab])
(;B[dc];W[ec])
(;B[bc];W[ab]))
(;B[aa];W[dc]
(;B[da];W[bb])
(;B[ea];W[ba]))
(;B[ab];W[bb]
(;B[cc];W[dc])
(;B[ca];W[ba])
(;B[da];W[ba])
(;B[ea];W[ca])
(;B[ec];W[dc])
(;B[ed];W[ba])
(;B[ba];W[bc])
(;B[ac];W[bc])
(;B[dc];W[ca])
(;B[bc];W[ba]))
(;B[ac];W[dc]
(;B[ca];W[ab])
(;B[da];W[bb])
(;B[ea];W[bb])
(;B[ec];W[ab])
(;B[ed];W[ab])
(;B[ba];W[ab])
(;B[ab];W[ba])
(;B[bb];W[ca])
(;B[bc];W[ba]))
(;B[bb];W[dc]
(;B[cc];W[ba]
(;B[ca];W[ab])
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ab];W[ca]))
(;B[ca];W[ab]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ac];W[bc])
(;B[bc];W[ac]))
(;B[da];W[ea]
(;B[ca];W[ab]
(;B[ac];W[bc])
(;B[bc];W[ba]))
(;B[ec];W[ca]
(;B[ba];W[ab])
(;B[ab];W[ba]))
(;B[ed];W[ca]
(;B[ba];W[ab])
(;B[ab];W[ba]))
(;B[ba];W[ab])
(;B[ab];W[ca]
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba]C[RIGHT]))
(;B[ac];W[ba]
(;B[ca];W[bc])
(;B[ec];W[ca])
(;B[ed];W[ca])
(;B[ab];W[ca])
(;B[bc];W[ca]))
(;B[bc];W[ba]
(;B[ca];W[ab])
(;B[ab];W[ca])
(;B[ac];W[ca])))
(;B[ea];W[da]
(;B[cc];W[ba]
(;B[ca];W[ab])
(;B[ab];W[ca]))
(;B[ca];W[ab]
(;B[ac];W[bc])
(;B[bc];W[ba]))
(;B[ec];W[ab])
(;B[ed];W[ba]
(;B[ca];W[ab])
(;B[aa];W[ab])
(;B[ab];W[ca])
(;B[ac];W[ca]))
(;B[ba];W[ab]
(;B[ac];W[bc])
(;B[bc];W[ac]))
(;B[ab];W[ca]
(;B[cc];W[ba])
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba]C[RIGHT])
(;B[ac];W[ba])
(;B[bc];W[ba]))
(;B[ac];W[ca]
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba];W[bc])
(;B[ab];W[ba])
(;B[bc];W[ba]))
(;B[bc];W[ba]
(;B[ca];W[ab])
(;B[ab];W[ca])
(;B[ac];W[ca])))
(;B[ec];W[ab]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ac];W[bc])
(;B[bc];W[ba]))
(;B[ed];W[ab]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ac];W[bc])
(;B[bc];W[ba]))
(;B[ba];W[ab]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ac];W[bc])
(;B[bc];W[da]))
(;B[ab];W[ca]
(;B[cc];W[ba]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[aa];W[da]))
(;B[da];W[ea]
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba]C[RIGHT]))
(;B[ea];W[da]
(;B[cc];W[ba])
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba]C[RIGHT])
(;B[ac];W[ba])
(;B[bc];W[ba]))
(;B[ec];W[ba]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[aa];W[da]))
(;B[ed];W[ba]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[aa];W[da]))
(;B[ba]C[RIGHT])
(;B[ac];W[ba]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[aa];W[da]))
(;B[bc];W[ba]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[aa];W[da])))
(;B[ac];W[ca]
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba];W[da])
(;B[ab];W[ba])
(;B[bc];W[ba]))
(;B[bc];W[ab]
(;B[ca];W[ac])
(;B[da];W[ea])
(;B[ea];W[da])
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba];W[da])
(;B[aa];W[ba])
(;B[ac];W[ca])))
(;B[dc];W[bb]
(;B[cc];W[ec])
(;B[ca];W[ec])
(;B[da];W[ec])
(;B[ea];W[ca])
(;B[ec];W[cc])
(;B[ed];W[ca])
(;B[ba];W[ec])
(;B[ab];W[ca])
(;B[ac];W[bc])
(;B[bc];W[ca]))
(;B[bc];W[dc]
(;B[ca];W[ab])
(;B[da];W[ba])
(;B[ea];W[ba])
(;B[ec];W[ba])
(;B[ed];W[ab])
(;B[ba];W[ab])
(;B[ab];W[ba])
(;B[ac];W[ba])
(;B[bb];W[ab])))
(;B[ca];W[dc]
(;B[cc];W[db])
(;B[cb];W[bb])
(;B[da];W[bb])
(;B[ea];W[cb])
(;B[ec];W[db])
(;B[ed];W[db])
(;B[ba];W[db])
(;B[aa];W[db])
(;B[ab];W[bb])
(;B[ac];W[db])
(;B[db];W[cb])
(;B[bb];W[db])
(;B[bc];W[db]))
(;B[da];W[bb]
(;B[cc];W[bc])
(;B[cb];W[ba])
(;B[ca];W[dc])
(;B[ea];W[cb])
(;B[ec];W[ca])
(;B[ed];W[dc])
(;B[ba];W[cb])
(;B[ab];W[cb])
(;B[ac];W[dc])
(;B[db];W[ec])
(;B[dc];W[cb])
(;B[bc];W[dc]))
(;B[ea];W[cb]
(;B[cc];W[dc])
(;B[ca];W[dc])
(;B[da];W[bb])
(;B[ec];W[db])
(;B[ba];W[dc])
(;B[aa];W[cc])
(;B[ab];W[dc])
(;B[db];W[ca])
(;B[bb];W[ba])
(;B[dc];W[cc])
(;B[bc];W[cc]))
(;B[ec];W[cb]
(;B[cc];W[bc])
(;B[ca];W[da])
(;B[da];W[ab])
(;B[ea];W[db])
(;B[ba];W[da])
(;B[ab];W[bb])
(;B[db];W[ab])
(;B[bb];W[ba])
(;B[dc];W[cc]))
(;B[ed];W[ba]
(;B[cc];W[dc])
(;B[cb];W[bb])
(;B[ca];W[dc])
(;B[da];W[dc])
(;B[ea];W[dc])
(;B[ec];W[cb])
(;B[ab];W[dc])
(;B[ac];W[dc])
(;B[db];W[cb])
(;B[bb];W[cb])
(;B[dc];W[cb])
(;B[bc];W[dc]))
(;B[ba];W[db]
(;B[cc];W[dc])
(;B[cb];W[bb])
(;B[ca];W[dc])
(;B[da];W[ea])
(;B[ea];W[cb])
(;B[ec];W[dc])
(;B[ed];W[bc])
(;B[ab];W[cb])
(;B[ac];W[dc])
(;B[bb];W[ab])
(;B[dc];W[cc])
(;B[bc];W[ab]))
(;B[aa];W[dc]
(;B[cb];W[bb])
(;B[ca];W[db])
(;B[da];W[bb])
(;B[ea];W[ba])
(;B[ec];W[db])
(;B[db];W[cb]))
(;B[ab];W[cb]
(;B[cc];W[dc])
(;B[ca];W[dc])
(;B[da];W[bb])
(;B[ea];W[dc])
(;B[ec];W[bb])
(;B[ed];W[ac])
(;B[db];W[dc])
(;B[bb];W[dc])
(;B[dc];W[cc])
(;B[bc];W[dc]))
(;B[ac];W[dc]
(;B[cb];W[db])
(;B[ca];W[db])
(;B[da];W[ab])
(;B[ea];W[bb])
(;B[ec];W[db])
(;B[ed];W[db])
(;B[ba];W[db])
(;B[ab];W[db])
(;B[db];W[cb])
(;B[bb];W[db])
(;B[bc];W[db]))
(;B[db];W[cb]
(;B[cc];W[dc])
(;B[ca];W[dc])
(;B[da];W[dc])
(;B[ea];W[ca])
(;B[ec];W[ab])
(;B[ed];W[cc])
(;B[ba];W[ca])
(;B[ab];W[dc])
(;B[bb];W[dc])
(;B[dc];W[cc])
(;B[bc];W[dc]))
(;B[bb];W[cb]
(;B[cc];W[dc])
(;B[ca];W[da])
(;B[da];W[dc])
(;B[ea];W[ba])
(;B[ec];W[ba])
(;B[ed];W[ba])
(;B[ba];W[dc])
(;B[ab];W[dc])
(;B[db];W[dc])
(;B[dc];W[cc])
(;B[bc];W[cc]))
(;B[dc];W[cb]
(;B[cc];W[bc])
(;B[ca];W[cc])
(;B[da];W[cc])
(;B[ea];W[cc])
(;B[ec];W[cc])
(;B[ed];W[cc])
(;B[ba];W[cc])
(;B[ab];W[cc])
(;B[db];W[cc])
(;B[bb];W[cc])
(;B[bc];W[cc]))
(;B[bc];W[dc]
(;B[cb];W[db])
(;B[ca];W[db])
(;B[da];W[cb])
(;B[ea];W[ba])
(;B[ec];W[db])
(;B[ed];W[db])
(;B[ba];W[cb])
(;B[ab];W[cb])
(;B[ac];W[db])
(;B[db];W[cb])
(;B[bb];W[da])))
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