invalid problem set
Problem | 5207 |
Created | 2004-10-07 |
Name | Go Seigen Tsumego No.123 |
Source | Go Seigen |
Rating | |
Difficulty | 0.7 kyu |
Average Solve Time | 48 secs |
User Attempts |
543 / 2666 |
Solve Ratio Rating | 1 kyu |
| rating history |
(;C[Black to play.]AB[sd]AB[re]AB[qe]AB[pd]AB[pc]AB[nd]AW[ld]AW[lc]AW[mb]AW[qa]AW[qb]AW[qc]AW[rd]
(;B[nb];W[na];B[oa];W[ob];B[ma];W[nc];B[pb];W[na];B[pa]C[RIGHT])
(;B[na];W[nb]
(;B[ob];W[oa];B[pa];W[pb]
(;B[oa];W[oc])
(;B[oc];W[oa]C[ko]))
(;B[oa];W[ob])
(;B[pb];W[pa])
(;B[pa];W[pb]))
(;B[ob];W[oa]
(;B[na];W[nb];B[pa];W[pb]
(;B[oa];W[oc])
(;B[oc];W[oa]C[ko])
(;B[nc];W[ma]))
(;B[nb];W[na]))
(;B[oa];W[ob];B[pb];W[pa])
(;B[pb];W[pa]
(;B[nb];W[na])
(;B[ob];W[oa])
(;B[oa];W[ob])
(;B[na];W[nb]))
(;B[sc];W[ob])
(;B[rc];W[ob])
(;B[qd];W[ob])
(;B[rb];W[ob]))
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