invalid problem set
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life and death
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Problem | 10315 |
Created | 2007-09-06 |
Source | Korean academy problems |
Rating | |
Difficulty | 7.8 kyu |
Average Solve Time | 50 secs |
User Attempts |
1052 / 2745 |
Solve Ratio Rating | 6 kyu |
| rating history |
Comments are welcome
(;AB[sa]AB[ra]AW[sc]AW[rc]AW[sd]AW[qd]AW[pc]AW[oc]AW[nc]AW[nb]AW[oa]AB[na]AB[ma]AB[mb]AB[mc]AB[md]AB[od]AB[nd]AB[pd]AB[qe]AB[re]AB[rd]AB[se]C[Black to kill]AP[goproblems]
(;B[qc];W[qb]
(;B[rb];W[qd]C[Only ko])
(;B[pb];W[qd]C[Only ko]))
(;B[qb];W[qc];B[pb]
(;W[pa];B[ob]C[RIGHT])
(;W[ob];B[pa]LB[rb:A]AB[se]C[Right! White can't atari at ARIGHT]))
(;B[pa];W[pb];B[ob]C[Only ko])
(;B[pb];W[qb]
(;B[pa];W[qa];B[ob];W[oa])
(;B[qa];W[qc];B[pa];W[ob]C[Only seki])))
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