invalid problem set
Previous
|
Next
|
|
|
life and death
|
|
|
|
Next
|
Problem | 13957 |
Created | 2010-09-11 |
Source | Cho's encyklopedia l&d |
Rating | |
Difficulty | 2.2 kyu |
Average Solve Time | 88 secs |
User Attempts |
418 / 1220 |
Solve Ratio Rating | 5 kyu |
| rating history |
How to kill white?
(;AB[ea]AB[fa]AB[fb]AB[fc]AB[fd]AB[ee]AB[de]AB[ce]AB[be]AB[ae]AW[bc]AW[cb]AW[da]AW[eb]AW[ec]AW[ed]AP[goproblems]
(;B[ba]
(;W[dc]C[CHOICE]
(;B[cd];W[cc];B[ca];W[bb];B[db]C[RIGHT])
(;B[ca];W[bb];B[db]C[RIGHT]))
(;W[ca];B[dc]C[RIGHT])
(;W[dd];B[db];W[dc];B[cd];W[cc];B[ca]C[RIGHT]))
(;B[dc];W[dd];B[cd];W[db]
(;B[cc];W[ba])
(;B[ab];W[ac]))
(;B[ac];W[ab]
(;B[ba]
(;W[bd]
(;B[ad]
(;W[cd]
(;B[dd];W[dc];B[bb]C[RIGHT])
(;B[dc];W[dd]
(;B[bb];W[ca])
(;B[ca];W[db]))
(;B[ca];W[db]))
(;W[dd];B[cd];W[cc];B[db];W[dc];B[bb]C[RIGHT]))
(;B[bb];W[ad]
(;B[dc];W[ca])
(;B[db];W[dc])
(;B[cc];W[cd])
(;B[dd];W[dc])
(;B[cd];W[ca]))
(;B[db];W[ca]
(;B[cc];W[bb]
(;B[ad];W[cd])
(;B[dc];W[ad])
(;B[dd];W[ad])
(;B[cd];W[ad]))
(;B[dc];W[ad])
(;B[dd];W[dc])
(;B[cd];W[cc])
(;B[ad];W[dc])
(;B[bb];W[dc]))
(;B[ca];W[db]
(;B[ad];W[cd])
(;B[cd];W[ad])
(;B[dd];W[ad]))
(;B[dc];W[ad]
(;B[db];W[ca])
(;B[ca];W[db])
(;B[cc];W[ca])
(;B[dd];W[db];B[cc])
(;B[cd];W[db])
(;B[bb];W[ca]))
(;B[cc];W[cd]
(;B[ca];W[db])
(;B[ad];W[dc]
(;B[bb];W[ca]
(;B[dd];W[aa])
(;B[aa];W[ab]))
(;B[dd];W[bb])
(;B[ca];W[db]))
(;B[dc];W[dd])
(;B[bb];W[dc])
(;B[dd];W[dc]))
(;B[cd];W[ad]
(;B[cc];W[bb])
(;B[bb];W[ca])
(;B[dc];W[db])
(;B[ca];W[db])
(;B[db];W[ca]))
(;B[dd];W[ad]))
(;W[ad];B[bd];W[dd];B[cd];W[cc];B[db];W[dc];B[ca];W[bb];B[db]C[RIGHT])
(;W[dd];B[db];W[dc];B[cd];W[cc];B[ca];W[bb];B[db]C[RIGHT]))
(;B[dc];W[ba])
(;B[ad];W[ba])
(;B[bd];W[ba])
(;B[cc];W[ba]))
(;B[ab];W[ac];B[dc];W[dd];B[cd];W[db]))
Toggle next/previous buttons