(;AW[qc]AW[qd]AW[re]AW[rf]AB[sg]AB[rg]AB[qg]AB[qf]AB[pd]AB[qe]AB[pc]AB[oe]AB[qb]TR[qb]C[Does white have anything? If not, then play T for tenuki. Otherwise, play on.]LB[og:T]AP[goproblems]
(;W[rb];B[pb]
(;W[sc]C[See next problem :)])
(;W[ra];B[se]
(;W[rd];B[sd]TR[sf]TR[sc])
(;W[sf];B[rd])
(;W[sd];B[sf]TR[rd]TR[sc])
(;W[rc];B[sd])
(;W[sc];B[rd])
(;W[sb];B[rd]))
(;W[rc];B[sd]
(;W[ra];B[sf])
(;W[se];B[ra])
(;W[sf];B[rd])
(;W[rd];B[ra])
(;W[sc];B[se])
(;W[sb];B[se]))
(;W[sd];B[ra]
(;W[rc];B[sf]TR[se]TR[sb])
(;W[sc];B[sf])
(;W[rd];B[sf])
(;W[sf];B[rc])
(;W[sb];B[rc]
(;W[sf];B[rd])
(;W[rd];B[sf])))
(;W[se];B[sc]
(;W[sb];B[ra])
(;W[rc];B[sd]TR[sb]TR[ra])
(;W[rd];B[sb])
(;W[sd];B[rc]))
(;W[rd];B[sc]TR[sd]TR[sf]MA[sb]MA[ra])
(;W[sf];B[rd])
(;W[sb];B[sd];W[ra];B[sf]
(;W[se];B[rd])
(;W[rd];B[sc])))
(;W[og]C[Correct. White has nothing but ko threats here.RIGHT])
(;W[pb];B[rb])
(;W[ob]C[NOTTHIS])
(;W[nb]C[NOTTHIS])
(;W[nc]C[NOTTHIS])
(;W[oc]C[NOTTHIS])
(;W[nd]C[NOTTHIS])
(;W[od]C[NOTTHIS])
(;W[ne]C[NOTTHIS])
(;W[qa]C[NOTTHIS])
(;W[pa]C[NOTTHIS])
(;W[oa]C[NOTTHIS])
(;W[na]C[NOTTHIS])
(;W[ra]C[NOTTHIS])
(;W[sa]C[NOTTHIS])
(;W[sb];B[rb]
(;W[rd]C[White is going nowhere with this])
(;W[rc];B[sd])
(;W[sf];B[rd])
(;W[sd];B[rc])
(;W[sc];B[rc];W[rd])
(;W[se];B[rc]))
(;W[rc];B[rb]TR[sd]TR[sf])
(;W[sc];B[rb]
(;W[sf];B[rd])
(;W[rc];B[sf]))
(;W[rd];B[rb])
(;W[sd];B[rc])
(;W[sf];B[rd])
(;W[se];B[rb])
(;W[pe]C[NOTTHIS])
(;W[pf]C[NOTTHIS])
(;W[of]C[NOTTHIS])
(;W[nf]C[NOTTHIS])
(;W[ng]C[NOTTHIS])
(;W[nh]C[NOTTHIS])
(;W[oh]C[NOTTHIS])
(;W[ph]C[NOTTHIS])
(;W[pg]C[NOTTHIS])
(;W[qh]C[NOTTHIS])
(;W[rh]C[NOTTHIS])
(;W[sh]C[NOTTHIS]))