invalid problem set
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life and death
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Problem | 19084 |
Created | 2015-02-14 |
Source | Tsumego Pro Android |
Rating | |
Difficulty | 3.9 dan |
Average Solve Time | 65 secs |
User Attempts |
94 / 392 |
Solve Ratio Rating | 2 kyu |
| rating history |
Black to make his group alive
(;AB[bb]AW[cb]AW[db]AW[eb]AB[cc]AW[bc]AW[cd]AW[ce]AW[bf]AB[dc]AB[dd]AB[de]AB[df]AB[cf]AB[bg]AB[bh]AW[cg]AW[ch]AW[ci]AW[bi]AW[fc]AW[eh]AW[fg]AW[fe]C[Black to play]AP[goproblems]
(;B[ae];W[bd];B[ac]TR[bc]TR[bd]TR[cd]TR[ce]C[RIGHT])
(;B[be];W[bd]
(;B[af];W[ab]C[Black can't have 2 eyes])
(;B[ac];W[ae];B[ab];W[ad])
(;B[ae];W[ab]))
(;B[bd];W[be]
(;B[ac];W[ah]C[Black can't have 2 eyes])
(;B[ad];W[ah]C[Black can't have 2 eyes])
(;B[af];W[ad]))
(;B[ad];W[be]
(;B[bd];W[ah]C[Black can't have 2 eyes])
(;B[af];W[ah]C[Black can't have 2 eyes]))
(;B[af];W[bd]
(;B[ac];W[ba]C[Black can't have 2 eyes])
(;B[be];W[ab]C[Black can't have 2 eyes]))
(;B[ac];W[be]
(;B[bd];W[ah]C[Black can't have 2 eyes])
(;B[ae];W[ah]C[Black can't have 2 eyes])
(;B[af];W[ah]C[Black can't have 2 eyes])))
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