Problem | 10373 |
Created | 2007-09-11 |
Source | Life and death encyclopedia |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 41 secs |
User Attempts |
94 / 719 |
Solve Ratio Rating | 2 dan |
| rating history |
(;AW[ba]AW[bb]AW[cb]AW[db]AW[dd]AW[de]AB[bf]AB[cf]AB[df]AB[ef]AB[ee]AB[ed]AB[eb]AB[ec]AB[hc]C[Black to kill]AP[goproblems]
(;B[bd]
(;W[da];B[ab];W[bc];B[ac];W[cd];B[dc];W[be];B[ae];W[ad]C[ko])
(;W[bc]
(;B[ac];W[cd];B[ab];W[be];B[ae])
(;B[da];W[cd]
(;B[be];W[dc])
(;B[ac];W[ab];B[dc];W[be]))))
(;B[da];W[bd]
(;B[dc];W[cc];B[ac];W[ab]
(;B[ad];W[be];B[ae];W[ce])
(;B[be];W[ad]))
(;B[ce]
(;W[cd]
(;B[ac]
(;W[ad]
(;B[ab];W[dc];B[bc]C[Seki])
(;B[dc];W[ab]))
(;W[ab];B[ad];W[ae];B[be];W[bc]TR[ad]TR[dc]C[Miai for life]))
(;B[dc]
(;W[cc];B[ac];W[ad];B[ab]C[RIGHT])
(;W[ab];B[cc];W[bc];B[ad]C[RIGHT]))
(;B[ae];W[ac]))
(;W[ac];B[cc]C[RIGHT])
(;W[ad]
(;B[cc];W[bc];B[ab]C[RIGHT])
(;B[ab]
(;W[ac];B[cc]C[RIGHT])
(;W[cd];B[dc];W[cc];B[ac]C[RIGHT]))
(;B[cd];W[cc])
(;B[dc];W[cc])
(;B[ac];W[cd]
(;B[dc];W[ab])
(;B[ab];W[dc];B[bc]C[Seki])))
(;W[dc]
(;B[ac];W[ab];B[ad];W[be];B[ae];W[bc]TR[af]TR[cd])
(;B[cd];W[cc]
(;B[ae];W[ad])
(;B[ac];W[ab];B[ad];W[be];B[ae]C[RIGHT]))
(;B[ae];W[ad]
(;B[ab];W[cd])
(;B[cd];W[cc])))
(;W[ab];B[ad]
(;W[ae];B[cd]
(;W[be];B[bc];W[ac];B[cc]C[RIGHT])
(;W[bc];B[be]C[RIGHT])
(;W[ac];B[cc]C[RIGHT]))
(;W[cd]
(;B[dc]
(;W[cc];B[ac];W[ae];B[be]C[RIGHT])
(;W[ac];B[cc]C[RIGHT]))
(;B[ae];W[ac])
(;B[ac];W[dc]
(;B[bc];W[ae])
(;B[ae];W[bc]))))
(;W[cc];B[ac]
(;W[ab];B[ad];W[be];B[ae]C[RIGHT])
(;W[ad];B[ab]C[RIGHT])))
(;B[ac];W[ad]
(;B[bc];W[ab];B[cc];W[dc])
(;B[ab];W[dc]
(;B[ce];W[cd];B[bc]C[Seki])
(;B[bc];W[ce]C[Alive])))
(;B[cc];W[dc]C[Alive])
(;B[ad];W[ac]
(;B[dc];W[cc])
(;B[cc];W[dc]))
(;B[be];W[ac]C[Alive])
(;B[ab];W[ac]))
(;B[dc];W[da]
(;B[ab];W[bc];B[ac];W[bd];B[ad];W[ae];B[be];W[aa];B[ad];W[ac])
(;B[ac];W[ab]))
(;B[bc];W[bd]
(;B[dc];W[cc])
(;B[cc];W[dc])
(;B[ac]))
(;B[cc];W[dc]C[Alive])
(;B[cd];W[da]
(;B[ab];W[bc];B[ac];W[bd];B[ad];W[ae];B[be];W[aa];B[ad];W[ac])
(;B[ac];W[ab]))
(;B[ab];W[bd]
(;B[ac];W[ad]
(;B[da];W[dc];B[ce];W[cd];B[bc]C[Seki])
(;B[dc];W[da]
(;B[cc];W[bc])
(;B[bc];W[cc])))
(;B[ad];W[ae];B[ac];W[be]
(;B[da];W[dc])
(;B[dc];W[cc];B[ce];W[da])))
(;B[ac];W[ab];B[da];W[bd];B[ad];W[bc]
(;B[dc];W[be])
(;B[be];W[dc]))
(;B[ad];W[bd]
(;B[ab];W[bc];B[ac];W[dc]TR[ae]TR[da]C[Miai])
(;B[ac];W[ab];B[da];W[bc]TR[be]TR[dc]C[Miai]
(;B[dc];W[be])
(;B[be];W[dc]))
(;B[da];W[ac]
(;B[dc];W[cc])
(;B[cc];W[dc]))
(;B[dc];W[da]
(;B[ac];W[ab])
(;B[ab];W[bc];B[ac];W[ae];B[be];W[aa];B[ad];W[ac]))))
Toggle next/previous buttons