(;AB[ds]AB[cs]AB[bs]AB[br]AB[cq]AB[cp]AB[bo]AB[bn]AB[am]AB[bl]AB[ak]AB[bj]AB[ck]AW[es]AW[dr]AW[cr]AW[dq]AW[dp]AW[do]AW[fs]AW[gr]AW[fq]AW[cn]AW[cm]AW[bm]AW[cl]AW[dl]AW[en]AW[em]C[The rest of the board is settled. What can white get out of this?]AB[dj]AW[ek]AW[ej]AB[di]AW[ei]AP[goproblems]
(;W[co]
(;B[bp]C[One point. Good work! ;)CHOICERIGHT])
(;B[dk]C[(Suppose black passes ... what now?)CHOICE]
(;W[bq];B[bp]
(;W[aq];B[ap];W[an];B[ar];W[al]C[White gets a koRIGHT])
(;W[an];B[ao];W[aq]C[Black can't descend with either group. White gets the corner!RIGHT]))
(;W[bp];B[bq];W[ap];B[aq];W[an];B[ao])
(;W[an];B[ao]
(;W[bp];B[bq])
(;W[bq];B[bp];W[aq]C[Black can't descend with either group. White gets the corner!RIGHT]))
(;W[ap];B[bp])
(;W[aq];B[bq])))
(;W[bq];B[bp]
(;W[aq];B[ap]
(;W[co];B[ar]C[That works. White gets a point.RIGHT])
(;W[an];B[ao]C[ 1 point. C5 isn't dame; Black needs to defend.RIGHT]))
(;W[an];B[ao]
(;W[aq];B[ap]C[ 1 point. C5 isn't dame; Black needs to defend.RIGHT])
(;W[co];B[aq]C[ 1 point. C5 isn't dame; Black needs to defend.RIGHT]MA[co]))
(;W[co];B[aq]MA[co]C[ 1 point. C5 isn't dame; Black needs to defend.RIGHT]))
(;W[bp];B[co]
(;W[bq];B[ap])
(;W[ap];B[ao]))
(;W[an];B[ao]
(;W[co];B[bp]C[1 pointRIGHT])
(;W[bq];B[bp]
(;W[aq];B[ap]C[ 1 point. C5 isn't dame; Black needs to defend.RIGHT])
(;W[co];B[aq]C[ 1 point. C5 isn't dame; Black needs to defend.RIGHT]MA[co]))))