(;AB[br]AB[bq]AB[cq]AW[cr]AW[dq]AW[eq]AW[fr]AW[gr]AB[er]AW[ep]AB[dp]AB[do]AB[eo]AB[fo]AB[fq]AB[gq]AB[hq]AB[jq]C[White to play.]AP[goproblems]
(;W[es]
(;B[hr]
(;W[gs];B[cs]
(;W[dr]C[CHOICERIGHT])
(;W[ds];B[dr];W[cr];B[dr]))
(;W[dr]
(;B[cs];W[gs]C[CHOICERIGHT])
(;B[gs];W[cs]C[CHOICERIGHT]))
(;W[cs];B[dr]
(;W[ds];B[gs])
(;W[gs];B[fp]))
(;W[ds];B[gs]))
(;B[cs]
(;W[dr];B[hr];W[gs]C[CHOICERIGHT])
(;W[hr];B[dr])
(;W[ds];B[dr];W[cr];B[dr])
(;W[gs];B[dr]))
(;B[dr]
(;W[ds];B[hr];W[gs]C[CHOICERIGHT])
(;W[hr];B[cs])
(;W[gs];B[cs])))
(;W[dr];B[es]
(;W[hr];B[ir]
(;W[hs];B[fs])
(;W[fs];B[hs]))
(;W[fs];B[hr]))
(;W[hr];B[dr])
(;W[ds];B[hr]
(;W[es];B[gs])
(;W[gs];B[hs]))
(;W[gs];B[dr]))