invalid problem set
Problem | 9112 |
Created | 2006-08-30 |
Source | 6906 |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 51 secs |
User Attempts |
715 / 2284 |
Solve Ratio Rating | 4 kyu |
| rating history |
Rectangular six in the corner with surrounding stones unsettled.
5 Sep. 2006 - 3 liberties added.
(;AW[qa]AW[qb]AW[qc]AW[qd]AW[rd]AW[sd]AB[pa]AB[pb]AB[pc]AB[pd]AB[pe]AB[qe]AB[se]AB[sf]AB[qf]AB[qg]AB[od]AB[oc]AB[oa]AW[na]AW[nb]AW[nc]AW[nd]AW[of]AW[og]AW[oh]AW[qi]AW[qj]AW[rg]AB[re]AB[rj]AW[ri]AW[ne]AW[sh]AP[goproblems]
(;B[rb];W[ra]C[]
(;B[sb]
(;W[sg]
(;B[rc];W[qh]
(;B[sc];W[sa]LB[nh:T]C[Play at T if you wish to tenuki.]
(;B[sc]C[RIGHT];W[pg]
(;B[rc];W[ob]
(;B[rb];W[sb];B[rc]C[RIGHT])
(;B[sb];W[rb];B[sc]C[RIGHT]))
(;B[sb];W[ob]
(;B[rb];W[rc];B[sb]C[RIGHT])
(;B[rc];W[rb];B[sc]C[RIGHT]))
(;B[rb];W[ob]
(;B[sb];W[rc];B[sb]C[RIGHT])
(;B[rc];W[sb];B[rc]C[RIGHT])))
(;B[rb]C[RIGHT];W[pg]
(;B[rc];W[ob]
(;B[sb];W[sc];B[rb]C[RIGHT])
(;B[sc];W[sb];B[rc]C[RIGHT]))
(;B[sb];W[ob]
(;B[rc];W[sc];B[rb]C[RIGHT])
(;B[sc];W[rc];B[sb]C[RIGHT]))
(;B[sc];W[ob]
(;B[sb])
(;B[rc])))
(;B[sb]C[RIGHT];W[pg]
(;B[rb];W[ob]
(;B[rc])
(;B[sc]))
(;B[sc];W[ob]
(;B[rb];W[rc];B[sb]C[RIGHT])
(;B[rc]))
(;B[rc];W[ob]
(;B[rb];W[sc];B[rb]C[RIGHT])
(;B[sc];W[rb];B[sc]C[RIGHT])))
(;B[rc]C[RIGHT];W[pg]
(;B[sc];W[ob]
(;B[rb];W[sb];B[rc]C[RIGHT])
(;B[sb];W[rb];B[sc]C[RIGHT]))
(;B[rb];W[ob]
(;B[sb];W[sc];B[rb]C[RIGHT])
(;B[sc]))
(;B[sb];W[ob]
(;B[rb])
(;B[sc])))
(;B[nh];W[oe]
(;B[rb];W[pg]
(;B[rc];W[pf]
(;B[sc];W[sb]
(;B[rc];W[ob];B[sc];W[rf])
(;B[rb];W[rc]TR[rb]TR[sc])
(;B[sc];W[rc]TR[sc]TR[rb]))
(;B[sb];W[sc];B[rb];W[ob]
(;B[rc];W[rf])
(;B[sb];W[rf])))
(;B[sc];W[ob]
(;B[rc];W[sb]
(;B[rc];W[pf]
(;B[sc];W[rf])
(;B[rb];W[rf]))
(;B[rb];W[rc]TR[rb]TR[sc])
(;B[sc];W[rc]TR[rb]TR[sc]))
(;B[sb];W[rc];B[sb];W[pf]
(;B[rb];W[rf])
(;B[sc];W[rf])))
(;B[sb];W[ob]
(;B[rc];W[sc]
(;B[rb];W[pf]
(;B[rc];W[rf])
(;B[sb];W[rf]))
(;B[rc];W[rb]TR[rc]TR[sb])
(;B[sb];W[rb]TR[rc]TR[sb]))
(;B[sc];W[rc];B[sb];W[pf]
(;B[rb];W[rf])
(;B[sc];W[rf]))))
(;B[rc];W[pg]
(;B[rb];W[pf]
(;B[sc];W[sb]
(;B[rc];W[ob];B[sc];W[rf])
(;B[rb];W[rc]TR[rb]TR[sc])
(;B[sc];W[rc]TR[sc]TR[rb]))
(;B[sb];W[sc];B[rb];W[ob]
(;B[rc];W[rf])
(;B[sb];W[rf])))
(;B[sc];W[ob]
(;B[rb];W[sb]
(;B[rc];W[pf]
(;B[sc])
(;B[rb];W[rf]))
(;B[rb];W[rc]TR[rb]TR[sc])
(;B[sc];W[rc]TR[rb]TR[sc]))
(;B[sb];W[rb]
(;B[sc];W[pf]
(;B[rc];W[rf])
(;B[sb];W[rf]))
(;B[rc];W[sc]TR[rc]TR[sb])
(;B[sb];W[sc]TR[rc]TR[sb])))
(;B[sb];W[ob]
(;B[rb];W[sc]
(;B[rb];W[pf]
(;B[rc])
(;B[sb]))
(;B[rc];W[rb]TR[rc]TR[sb])
(;B[sb];W[rb]TR[rc]TR[sb]))
(;B[sc];W[rb]
(;B[sc];W[pf]
(;B[rc];W[rf])
(;B[sb];W[rf]))
(;B[rc];W[sc]TR[rc]TR[sb])
(;B[sb];W[sc]TR[rc]TR[sb]))))
(;B[sc];W[pg]
(;B[rc];W[ob]
(;B[rb])
(;B[sb];W[rb]
(;B[sc];W[pf]
(;B[rc];W[rf])
(;B[sb];W[rf]))
(;B[rc];W[sc]TR[rc]TR[sb])
(;B[sb];W[sc]TR[rc]TR[sb])))
(;B[rb];W[ob]
(;B[rc];W[sb]
(;B[rc];W[pf]
(;B[sc])
(;B[rb];W[rf]))
(;B[rb];W[rc]TR[rb]TR[sc])
(;B[sc];W[rc]TR[rb]TR[sc]))
(;B[sb];W[rc];B[sb];W[pf]
(;B[rb];W[rf])
(;B[sc];W[rf]))))
(;B[sb];W[pg]
(;B[rc];W[ob]
(;B[rb])
(;B[sc]))
(;B[rb];W[ob]
(;B[rc];W[sc]
(;B[rb];W[pf]
(;B[rc])
(;B[sb]))
(;B[rc];W[rb]TR[rc]TR[sb])
(;B[sb];W[rb]TR[rc]TR[sb]))
(;B[sc]))
(;B[sc];W[ob]
(;B[rc];W[rb]
(;B[sc];W[pf]
(;B[rc];W[rf])
(;B[sb];W[rf]))
(;B[rc];W[sc]TR[rc]TR[sb])
(;B[sb];W[sc]TR[rc]TR[sb]))
(;B[rb];W[rc];B[sb];W[pf]
(;B[rb];W[rf])
(;B[sc];W[rf]))))))
(;B[sa];W[sc]))
(;B[sc];W[qh]
(;B[rc];W[sa]
(;B[sb]C[RIGHT];W[pg]
(;B[rb])
(;B[sc])
(;B[rc];W[ob]
(;B[rb])
(;B[sc])))
(;B[sc]C[RIGHT];W[pg]
(;B[rc];W[ob]
(;B[rb];W[sb];B[rc]C[RIGHT])
(;B[sb];W[rb];B[sc]C[RIGHT]))
(;B[sb];W[ob]
(;B[rb];W[rc];B[sb]C[RIGHT])
(;B[rc]))
(;B[rb];W[ob]
(;B[sb])
(;B[rc]))))
(;B[sa];W[rc];B[sb];W[pg]
(;B[sa];W[ob]
(;B[rb];W[sc];B[sb]C[RIGHT])
(;B[sc];W[rb];B[sb]C[RIGHT]))
(;B[rb];W[ob]
(;B[sa];W[sc];B[sb]C[RIGHT])
(;B[sc];W[sa];B[sb]C[RIGHT]))
(;B[sc];W[ob]
(;B[rb];W[sa];B[sb]C[RIGHT])
(;B[sa];W[rb];B[sb]C[RIGHT]))))
(;B[sa];W[qh]
(;B[sc];W[rc];B[sb];W[pg]
(;B[sa];W[ob]
(;B[rb];W[sc];B[sb]C[RIGHT])
(;B[sc];W[rb];B[sb]C[RIGHT]))
(;B[rb];W[ob]
(;B[sa])
(;B[sc];W[sa];B[sb]C[RIGHT]))
(;B[sc];W[ob]
(;B[rb])
(;B[sa])))
(;B[rc];W[sc])))
(;W[qh];B[sa];W[sg]
(;B[sc])
(;B[rc])))
(;B[sc];W[sb];B[sa]C[Ko];W[sb]C[NOTTHIS])
(;B[rc];W[sb]TR[sc]TR[sa])
(;B[sa];W[sb])
(;B[qh];W[ph];B[sb];W[ob]
(;B[sc];W[pg]
(;B[sa];W[rc]
(;B[sb];W[oe]
(;B[sc];W[pf]
(;B[sa];W[rb];B[sb]C[RIGHT])
(;B[rb];W[sa];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rb];W[pf]
(;B[sa];W[sc];B[sb]C[RIGHT])
(;B[sc];W[sa];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sa];W[pf]
(;B[rb];W[sc];B[sb]C[RIGHT])
(;B[sc];W[rb];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sb])
(;B[sg];W[sb]))
(;B[rc];W[sa]
(;B[rc];W[oe]
(;B[sc];W[pf]
(;B[sb];W[rb];B[sc]C[RIGHT])
(;B[rb];W[sb];B[rc]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rb];W[pf]
(;B[sc];W[sb];B[rc]C[RIGHT])
(;B[sb];W[sc];B[rb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sb];W[pf]
(;B[rb];W[sc];B[rb]C[RIGHT])
(;B[sc];W[rb];B[sc]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sc];W[oe]
(;B[rc];W[pf]
(;B[sb];W[rb];B[sc]C[RIGHT])
(;B[rb];W[sb];B[rc]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rb];W[pf]
(;B[rc];W[sb];B[rc]C[RIGHT])
(;B[sb];W[rc];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sb];W[pf]
(;B[rc];W[rb];B[sc]C[RIGHT])
(;B[rb];W[rc];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rb];W[oe]
(;B[sb];W[pf]
(;B[rc];W[sc];B[rb]C[RIGHT])
(;B[sc];W[rc];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rc];W[pf]
(;B[sc])
(;B[sb];W[sc];B[rb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sc];W[pf]
(;B[rc])
(;B[sb];W[rc];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sb];W[oe]
(;B[rb];W[pf]
(;B[rc])
(;B[sc])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sc];W[pf]
(;B[rc])
(;B[rb])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rc];W[pf]
(;B[rb])
(;B[sc])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh])
(;B[rc];W[oe];B[sc];W[sa]
(;B[rc];W[pf]
(;B[sc];W[pg]
(;B[sb];W[rb];B[sc]C[RIGHT])
(;B[rb];W[sb];B[rc]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rb];W[pg]
(;B[sb];W[sc];B[rb]C[RIGHT])
(;B[sc];W[sb];B[rc]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sb];W[pg]
(;B[rb];W[sc];B[rb]C[RIGHT])
(;B[sc];W[rb];B[sc]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[rb];W[pf]
(;B[rc];W[pg]
(;B[sb])
(;B[sc])
(;B[rh])
(;B[sg]))
(;B[sb];W[pg]
(;B[rc];W[sc];B[rb]C[RIGHT])
(;B[sc];W[rc];B[sb]C[RIGHT])
(;B[rh];W[sg])
(;B[sg];W[rh]))
(;B[sc];W[pg]
(;B[rc];W[sb];B[rc]C[RIGHT])
(;B[sb];W[rc];B[sb]C[RIGHT])))
(;B[sb];W[pf]
(;B[rc];W[pg]
(;B[rb])
(;B[sc])
(;B[rh])
(;B[sg]))
(;B[rb];W[pg]
(;B[rc])
(;B[sc])
(;B[rh])
(;B[sg]))
(;B[sc];W[pg]
(;B[rc];W[rb];B[sc]C[RIGHT])
(;B[rb];W[rc];B[sb]C[RIGHT])))
(;B[sc];W[pf]
(;B[rc];W[pg]
(;B[sb])
(;B[rb])
(;B[rh])
(;B[sg]))
(;B[sb];W[pg]
(;B[rc])
(;B[rb]))
(;B[rb];W[pg]
(;B[rc])
(;B[sb]))))))
(;B[rc];W[rb])
(;B[ra];W[rb])
(;B[sc];W[sb];B[rb];W[rc])
(;B[sb];W[rb];B[sc];W[qh];B[ra];W[sa]C[Ko; black can do better.];B[ra]C[NOTTHIS])
(;B[sa];W[sb];B[rb];W[ra]TR[sa]TR[rc]))
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