invalid problem set
Problem | 5453 |
Created | 2004-11-10 |
Name | Go Seigen Tsumego No.21 |
Source | Go Seigen |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 54 secs |
User Attempts |
284 / 2099 |
Solve Ratio Rating | 2 dan |
| rating history |
Black to play.
(;AB[na][nb][nc][oc][pc][pe][qe][re][se][sd]
AW[sc][rd][qd][rb][qb][ob][oa]SZ[19]
(;B[qa]
(;W[pb]
(;B[ra]
(;W[qc];B[sb]C[RIGHT])
(;W[sa];B[qc];W[rc];B[sb]C[RIGHT]))
(;WV[]B[qc];W[ra]C[Wrong.]))
(;W[qc];B[ra];W[pb];B[sb]C[RIGHT]))
(;B[qc];W[pb]
(;WV[]B[rc];W[sb]C[Wrong.])
(;WV[]B[sb];W[rc]C[Wrong.])))
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