There is a similar problem here somewhere, but the pattern search missed it
(;AB[cr]AB[br]AB[ds]AW[cq]AW[bq]AB[dq]AB[cp]AB[dp]AW[dr]AW[er]AW[eq]AW[es]AB[dn]AB[eo]AW[fo]AB[fn]AW[go]AB[ep]AW[gq]AW[fp]AB[bn]TR[es]C[white has played the marked move. How many points can b get?]AP[goproblems]
(;B[cs];W[ar])
(;B[bp];W[bs]
(;B[cs];W[ar])
(;B[aq];W[cs]))
(;B[aq];W[bs];B[bp];W[cs])
(;B[bs];W[cs]
(;B[bp]C[black keeps the corner. My enemies keypoint is my own.....even if it is an empty triangleRIGHT])
(;B[aq]C[RIGHT])))