(;AB[dq]AB[dp]AB[dr]AB[eo]AB[fo]AW[ep]AW[gp]AW[fp]AW[er]AW[gr]AB[go]AB[hp]AB[hq]AB[io]AB[hr]AW[do]AW[co]AW[cp]AW[br]AW[cq]AP[goproblems]
(;B[eq];W[fq]
(;B[es];W[fr])
(;B[gq];W[fr])
(;B[fr];W[fs];B[gq];W[fr]))
(;B[es]
(;W[fs];B[eq];W[fq]
(;B[fr];W[er]C[Assume white has more ko threats...];B[gq]C[RIGHT])
(;B[gq]C[RIGHT]))
(;W[fr];B[gs]C[RIGHT])
(;W[eq];B[gs]C[RIGHT]))
(;B[fq];W[eq])
(;B[fr];W[eq]))