invalid problem set
Problem | 13020 |
Created | 2009-08-21 |
Source | Xuanlan |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 67 secs |
User Attempts |
17 / 184 |
Solve Ratio Rating | 3 dan |
| rating history |
(;AW[kc]AW[ld]AW[md]AW[nd]AW[od]AW[pd]AW[qe]AW[qf]AB[qh]AB[rd]AB[qd]AB[qc]AB[qg]AB[rf]AB[pc]AB[nc]AB[mc]C[How best to cut the black stones?]AP[goproblems]
(;W[oc];B[ob]
(;W[re];B[se]
(;W[pb];B[nb];W[qb];B[rb]
(;W[rg];B[sf];W[sb]
(;B[pa]
(;W[sd];B[sc];W[sg]C[RIGHT])
(;W[sg];B[sd]))
(;B[ra];W[sd];B[sc];W[sg];B[sa];W[sd];B[rc]C[RIGHT]))
(;W[sc];B[sd];W[rg];B[sf];W[sg];B[rc];W[ra];B[sb]))
(;W[nb];B[mb];W[pb];B[na]
(;W[rg];B[sf];W[qb];B[rb];W[sb];B[pa];W[sd];B[sc];W[sg];B[sd];W[rc]C[RIGHT])
(;W[qb];B[rb];W[rg];B[sf]
(;W[sg];B[sd];W[sc];B[rc];W[ra];B[sb])
(;W[sd];B[sc];W[sg];B[sd];W[ra];B[pa])
(;W[sb]C[RIGHT];B[pa];W[sd];B[sc];W[sg];B[sd];W[rc]C[RIGHT])))
(;W[rg];B[sf]
(;W[pb];B[nb];W[qb];B[rb];W[sb]
(;B[pa]
(;W[sd];B[sc];W[sg]C[RIGHT])
(;W[sg];B[sd]))
(;B[ra];W[sd];B[sc];W[sg];B[sa];W[sd];B[rc]C[RIGHT]))
(;W[sg];B[sd];W[pb];B[nb];W[qb];B[rb];W[sc];B[rc];W[ra];B[sb])))
(;W[pb];B[nb];W[qb];B[rb];W[re];B[se];W[rg];B[sf];W[sb]
(;B[pa]
(;W[sd];B[sc];W[sg]C[RIGHT])
(;W[sg];B[sd]))
(;B[ra];W[sd];B[sc];W[sg];B[sa];W[sd];B[rc]C[RIGHT]))
(;W[nb];B[mb];W[pb];B[na];W[qb];B[rb];W[re];B[se];W[rg];B[sf]
(;W[sc];B[sd];W[sg];B[rc];W[ra];B[sb])
(;W[sg];B[sd];W[sc];B[rc];W[ra];B[sb])))
(;W[re];B[se]
(;W[oc];B[ob]
(;W[pb];B[nb];W[qb];B[rb]
(;W[rg];B[sf];W[sb]
(;B[pa]
(;W[sd];B[sc];W[sg]C[RIGHT])
(;W[sg];B[sd]))
(;B[ra];W[sd];B[sc];W[sg];B[sa];W[sd];B[rc]C[RIGHT]))
(;W[sc];B[sd];W[rg];B[sf];W[sg];B[rc];W[ra];B[sb]))
(;W[nb];B[mb];W[pb];B[na]
(;W[rg];B[sf];W[qb];B[rb];W[sb];B[pa];W[sd];B[sc];W[sg];B[sd];W[rc]C[RIGHT])
(;W[qb];B[rb];W[rg];B[sf]
(;W[sg];B[sd];W[sc];B[rc];W[ra];B[sb])
(;W[sd];B[sc];W[sg];B[sd];W[ra];B[pa])
(;W[sb]C[RIGHT])))
(;W[rg];B[sf]
(;W[pb];B[nb];W[qb];B[rb])
(;W[sg];B[sd];W[pb];B[nb];W[qb];B[rb];W[sc];B[rc];W[ra];B[sb])))
(;W[rg];B[sf];W[oc];B[ob]
(;W[pb];B[nb];W[qb];B[rb])
(;W[sg];B[sd];W[pb];B[nb];W[qb];B[rb];W[sc];B[rc];W[ra];B[sb]))))
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