invalid problem set
Problem | 9153 |
Created | 2006-09-17 |
Name | igo hatsuyo-ron n°3 |
Source | igo hatsuyo-ron |
Rating | |
Difficulty | 4.5 dan |
Average Solve Time | 53 secs |
User Attempts |
188 / 1122 |
Solve Ratio Rating | 1 dan |
| rating history |
white to live
white can secure an eye in the center by reinforcing at a
And there is no black wall on line M!!!! :)
(;AB[bc]AB[bd]AB[dc]AB[ec]AB[fc]AB[ic]AB[jb]AB[he]AB[hf]AB[gg]AB[fg]AB[eg]AB[cg]AB[ci]AB[bf]AW[be]AW[ce]AW[cd]AW[gc]AW[ge]AW[fd]AW[ed]AW[ef]LB[dd:a]AP[goproblems]
(;W[fb];B[eb];W[hb];B[cc]
(;W[hc];B[hd];W[gd];B[fa])
(;W[ga];B[hc]))
(;W[cc];B[cb]
(;W[ad];B[bb]
(;W[fb];B[eb]
(;W[ea];B[da])
(;W[hb];B[hc];W[ea];B[da];W[fa];B[gb];W[ga];B[ac]))
(;W[ac];B[ab];W[ae]))
(;W[bb];B[ab]
(;W[ba];B[ca]
(;W[db];B[aa];W[fb];B[eb];W[dd];B[da];W[hb];B[ib])
(;W[fb]
(;B[eb];W[ea]C[]
(;B[gb];W[db]C[]
(;B[da];W[db]C[RIGHT])
(;B[fa];W[da]C[RIGHT]))
(;B[db]
(;W[dd];B[aa];W[hb]
(;B[ae];W[hc];B[df];W[ff]C[RIGHT];B[hd];W[gd];B[ga];W[fa];B[ha];W[ib];B[ia];W[jc]C[RIGHT])
(;B[hc];W[ad]C[RIGHT]))
(;W[hb]
(;B[hc];W[ad]C[RIGHT])
(;B[aa];W[ad]C[RIGHT])
(;B[ae];W[hc];B[aa];W[dd];B[ga]
(;W[ha];B[fa];W[gb];B[fa])
(;W[fa];B[ha];W[ib]
(;B[ia];W[jc]C[RIGHT])
(;B[jc];W[ia]C[RIGHT])))))
(;B[aa];W[dd];B[db];W[hb];B[ae];W[hc]C[RIGHT];B[ga]
(;W[ha];B[fa];W[gb];B[fa])
(;W[fa];B[ha];W[ib]
(;B[ia];W[jc]C[RIGHT])
(;B[jc];W[ia]C[RIGHT]))))
(;B[ea];W[db]
(;B[eb];W[da]C[RIGHT])
(;B[aa];W[eb]C[RIGHT]))
(;B[ad];W[db];B[aa];W[eb]C[RIGHT])))
(;W[ad];B[ba])
(;W[fb];B[eb];W[hb];B[fa])
(;W[db];B[ba];W[fb];B[eb];W[fa];B[da];W[hb];B[hc]
(;W[ha];B[gb])
(;W[gb];B[ha];W[ib];B[ia])))))
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