Problem | 21305 |
Created | 2016-08-14 |
Source | |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 97 secs |
User Attempts |
8 / 150 |
Solve Ratio Rating | 5 dan |
| rating history |
(;SZ[9]AB[bh]AW[eh]AB[eg]AB[fh]AB[gg]AW[dg]AW[cg]AW[ag]AW[bf]AB[df]AB[cf]AB[ce]AB[be]AW[cd]AW[fc]TR[bh]C[Black just played the marked stone to prevent white from living. If white can still live, do it, if not make the most profit out of the board.]AP[goproblems]
(;W[ef];B[fg]
(;W[bg];B[dh];W[ch];B[ei]
(;W[bi];B[ah]
(;W[bd];B[ae]
(;W[ee]
(;B[di]
(;W[de];B[ci];W[ai];B[bh]
(;W[ah]C[RIGHT])
(;W[ad];B[ah];W[af]C[RIGHT]))
(;W[ai]C[RIGHT];B[ci];W[de];B[bh]
(;W[ah]C[RIGHT])
(;W[ad];B[ah];W[af]C[RIGHT])))
(;B[af];W[ai];B[di];W[de]C[RIGHT])
(;B[ci];W[ai];B[af];W[de]C[RIGHT])
(;B[dd]
(;W[de];B[ed]
(;W[fe];B[fd]
(;W[ge];B[cc];W[ad]C[RIGHT])
(;W[ad]C[RIGHT]))
(;W[ad]C[RIGHT]))
(;W[ed];B[cc]
(;W[de];B[bc];W[dc];B[ad])
(;W[bc];B[cb];W[de];B[bb];W[dc];B[ac];W[dd];B[ad])
(;W[dc];B[bc];W[de];B[ad]))))
(;W[de];B[ee];W[ff];B[fe];W[gf];B[hf]))
(;W[ae];B[bd];W[ee];B[cc];W[dd];B[di];W[bc];B[bb]
(;W[de];B[ac])
(;W[ac];B[ab];W[de];B[ad])))
(;W[ah];B[bi]
(;W[ci];B[ee])
(;W[bd];B[ae]
(;W[ad];B[ee];W[ff];B[fe];W[gf];B[hf])
(;W[ee]
(;B[ci];W[de];B[di];W[ad]C[RIGHT])
(;B[dd];W[de];B[ed];W[fe];B[fd];W[ge]C[RIGHT]))))
(;W[bd];B[ae]
(;W[ee];B[ci]
(;W[de];B[ah])
(;W[bi];B[ai];W[ah];B[af]))
(;W[bi];B[ah]
(;W[ee]
(;B[di]
(;W[de];B[ci];W[ai];B[bh]
(;W[ah]C[RIGHT])
(;W[ad];B[ah];W[af]C[RIGHT]))
(;W[ai]C[RIGHT];B[ci];W[de]))
(;B[af];W[ai];B[di];W[de]C[RIGHT])
(;B[ci];W[ai];B[af];W[de]C[RIGHT])
(;B[dd]
(;W[de];B[ed]
(;W[fe];B[fd]
(;W[ge];B[cc];W[ad]C[RIGHT])
(;W[ad]C[RIGHT]))
(;W[ad]C[RIGHT]))
(;W[ed];B[cc]
(;W[de];B[bc];W[dc];B[ad])
(;W[bc];B[cb];W[de];B[bb];W[dc];B[ac];W[dd];B[ad])
(;W[dc];B[bc];W[de];B[ad]))))
(;W[de];B[ee];W[ff];B[fe];W[gf];B[hf])))
(;W[ae];B[bd]))
(;W[ee])
(;W[he])
(;W[ge])
(;W[dd])
(;W[bd]
(;B[ae]
(;W[ed])
(;W[ee];B[bg])
(;W[bg];B[ee]))
(;B[bg];W[ae];B[af])))
(;W[ch];B[bg];W[ef];B[fg];W[bi];B[af])
(;W[bg];B[dh];W[ef];B[ei]
(;W[ch];B[ci]
(;W[ah];B[bi];W[ai];B[af])
(;W[bi];B[ai];W[ah];B[af]))
(;W[bi];B[ch]))
(;W[ci];B[dh]
(;W[ch];B[ei])
(;W[ef];B[ei];W[ch];B[ee]))
(;W[bd];B[ae];W[ef];B[fg]
(;W[ed])
(;W[ee];B[bg])
(;W[bg];B[ee])))
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