(;AP[goproblems]AB[br]AB[bq]AB[bp]AB[cp]AB[cn]AW[cr]AW[cq]AW[eq]AW[ep]AW[fr]AW[gr]AB[hr]AB[hq]AB[gq]AB[fp]AB[eo](;W[dr];B[dp](;W[es]C[RIGHT])(;W[gs];B[es])(;W[cs];B[es])(;W[fq];B[es])(;W[dq];B[es]))(;W[cs];B[dp];W[es];B[dr])(;W[dp](;B[dr]C[CHOICE];W[do];B[dn])(;B[do]C[Mistake for Black];W[dr]))(;W[es];B[dr](;W[gs];B[dq])(;W[dq];B[gs])(;W[ds];B[gs]))(;W[ds];B[gs](;W[fs];B[er])(;W[er];B[fs])(;W[dp];B[fs](;W[es];B[dr])(;W[dr];B[es])))(;W[gs];B[es])(;W[fs];B[dr])(;W[dq];B[es]))