invalid problem set
Problem | 5434 |
Created | 2004-11-10 |
Name | Go Seigen Tsumego No.4 |
Source | Go Seigen |
Rating | |
Difficulty | 4.5 dan |
Average Solve Time | 54 secs |
User Attempts |
344 / 2009 |
Solve Ratio Rating | 1 dan |
| rating history |
Black to play.
(;AB[pb]AB[ob]AB[mb]AB[nc]AB[nd]AB[od]AB[pd]AB[pc]AW[la]AW[lb]AW[mc]AW[md]AW[me]AW[ne]AW[oe]AW[pe]AW[qe]AW[qd]AW[qc]AW[qa]AW[pa]SZ[19];B[qb];W[rb]
(;B[sb]
(;W[rc];B[ma];W[oa];B[ra]C[RIGHT])
(;W[sc];B[oa]C[RIGHT])
(;W[ra];B[rc];W[rd];B[oa];W[sc];B[ma]C[RIGHT]))
(;B[rc];W[sa];B[oa];W[ma]C[Wrong.])
(;B[oa];W[ma]
(;B[ra];W[qa];B[rc];W[sa]C[Wrong.])
(;B[rc];W[sa])))
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