invalid problem set
Problem | 5521 |
Created | 2004-11-15 |
Name | Go Seigen Tsumego No.70 |
Source | Go Seigen |
Rating | |
Difficulty | 4.3 dan |
Average Solve Time | 72 secs |
User Attempts |
187 / 1382 |
Solve Ratio Rating | 2 dan |
| rating history |
Black to play.
(;AB[rc][re][se][qd][pd][od][nd][md][mc][mb]
AW[rd][rb][qb][qc][nc][nb][na]SZ[19]
(;B[pb]
(;W[sc];B[sd];W[pc];B[oc];W[ob];B[pa]
(;W[qa];B[sb];W[sa];B[rc]C[RIGHT])
(;W[rc];B[sb];W[sa];B[qa]C[RIGHT]))
(;W[pc];B[oc];W[ob];B[pa];W[qa];B[sb];W[sc];B[sd];W[sa];B[rc]C[RIGHT]))
(;B[sd];W[sb]C[Wrong.])
(;B[sb];W[pa]
(;B[pc];W[pb];B[ob];W[oc];B[ma];W[oa]C[Wrong.])
(;B[sd];W[ra]C[Wrong.])))
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