invalid problem set
| Problem | 5550 |
| Created | 2004-11-16 |
| Name | Go Seigen Tsumego No.84 |
| Source | Go Seigen |
| Rating | |
| Difficulty | 7 dan |
| Average Solve Time | 53 secs |
| User Attempts |
536 / 2756 |
| Solve Ratio Rating | 1 kyu |
| rating history |
Black to play.
(;AB[ke]AB[ld]AB[md]AB[nd]AB[oe]AB[pe]AB[pd]AB[pc]AB[pb]AB[qb]AB[rd]AB[rc]AB[sb]AW[kc]AW[jc]AW[mc]AW[nc]AW[oc]AW[od]AW[ne]AW[nf]AW[ra]AW[sd]AW[se]AW[re]AW[qc]AW[og]AW[pf]AW[qg]AW[qe]AW[qd]SZ[19]
(;B[lc];W[lb]
(;B[mb];W[nb]
(;B[na];W[ma];B[oa];W[jb]C[]
(;B[qa];W[rb]C[]
(;B[sc]C[];W[sa]
(;B[rc]C[RIGHT])
(;B[ob]C[NOTTHIS]))
(;B[sa];W[rb]C[Wrong.])
(;B[ob]C[NOTTHIS]))
(;B[ob]C[NOTTHIS]))
(;B[ob];W[ma];B[oa];W[na];B[qa];W[rb];B[sc];W[sa];B[rc]C[There is a better way though.RIGHT]))
(;B[ob];W[mb]))
(;B[ob];W[mb];B[qa];W[oa]C[Wrong.]))
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