(;AW[bs]AW[br]AW[bq]AW[aq]AW[cq]AW[dr]AB[cr]AB[ap]AB[bp]AB[cp]AB[dq]AB[eq]AB[fq]AB[gr]AW[ds]AB[gs]C[Black can't kill White but has the best result. (Chinese rules)FORCE]AP[goproblems]
(;B[er]C[FORCE];W[es]C[FORCE]
(;B[fr])
(;B[fs]C[FORCE];W[cs]C[RIGHT]))
(;B[es]C[FORCE];W[er]C[FORCE];B[fs])
(;B[fr]C[FORCE]
(;W[er])
(;W[es]))
(;B[fs]C[FORCE];W[er]))