invalid problem set
| Problem | 4410 |
| Created | 2004-05-02 |
| Source | kgs |
| Rating | |
| Difficulty | 10.2 kyu |
| Average Solve Time | 28 secs |
| User Attempts |
3419 / 9129 |
| Solve Ratio Rating | 6 kyu |
| rating history |
can black kill without ko? if you don't think play e 15
(;AW[ad]AW[ba]AW[bb]AW[be]AW[cb]AW[cc]AW[cd]AW[db]AB[af]AB[bf]AB[cf]AB[ce]AB[ca]AB[dd]AB[dc]AB[da]AB[eb]AB[ec]AB[fb]LB[ee:A]AB[ea]
(;B[ab];W[ac];B[bd];W[bc];B[ae]C[RIGHT])
(;B[bd];W[bc];B[ae];W[ab]C[ko])
(;B[ae];W[bd])
(;B[ac];W[ab];B[ae];W[bd]))
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