(;AW[qa]AW[oa]AW[na]AW[mb]AW[mc]AW[md]AW[me]AW[mf]AW[kb]AW[oc]AW[of]AW[pf]AW[pe]AW[qd]AW[re]AW[rc]AW[sc]AB[sb]AB[rb]AB[qc]AB[pc]AB[pd]AB[oe]AB[ne]AB[nd]AB[nc]AB[nb]AB[ob]C[Black to do the best]AW[nf]AP[goproblems]
(;B[pb]
(;W[qb]
(;B[pa];W[od]C[CHOICE])
(;B[ra];W[sa]C[CHOICE])))
(;B[pa];W[pb]
(;B[od];W[qb])
(;B[ra]
(;W[od]))
(;B[qb]
(;W[od])))
(;B[qb];W[ra]C[]
(;B[pa];W[pb]C[The Best black can get (thanks to BartTM)Now black needs a ko threat!!RIGHT])
(;B[sa];W[pa]))
(;B[ra];W[qb]C[])
(;B[sa];W[qb]C[])
(;B[od];W[ra]C[]))