(;AW[dp]AW[dn]AW[eq]AB[fq]AB[fp]AB[ip]AW[op]AW[pq]AW[qq]AW[qp]AB[pp]AB[po]AB[qo]AB[pm]LB[lq:A]LB[mq:B]C[FORCE]AP[goproblems]
(;B[mq]C[RIGHT]
(;W[nq];B[mp]C[lovely shapeRIGHT])
(;W[cl]C[what if white tenukis?CHOICE];B[oq];W[nq];B[or];W[nr];B[np];W[oo];B[mr]C[RIGHT])
(;W[oq];B[mo]C[RIGHT]))
(;B[lq]C[A missed opportunity. The cut at the mark doesn't work with a stone at A instead of B; white may tenuki without consequence.]MA[oq]))