(;AB[cq]AW[dq]AB[dp]AB[ep]AB[eq]AW[cp]AW[bp]AW[bo]AB[co]AW[do]AW[dn]AW[en]AW[em]AW[fm]AW[cm]AW[bm]AB[bl]AB[cl]AB[dl]AB[dm]AB[el]AB[fl]AB[gl]AB[gm]AB[gn]AB[fn]AB[fo]AB[hq]AB[hr]AW[gr]AB[gp]LB[jj:2]LB[jk:5]LB[jl:8]TR[dq]C[how many ways are they to capture the marked stone?
if you think that the stone is already toasted click Toast
if you feel lazy you can skip that part of the problem by clicking T]LB[mj:T]LB[mk:Toast]LB[jm:12]LB[jn:15]AB[bj]AP[goproblems]
(;B[bq];W[dr];B[er];W[cr];B[br])
(;B[dr])
(;B[br])
(;B[cr])
(;B[fr])
(;B[gs])
(;B[gq])
(;B[er])
(;B[es])
(;B[ds])
(;B[cs];W[dr];B[cr];W[er];B[fr];W[fq];B[es];W[fs];B[ds];W[fr];B[fp])
(;B[fs])
(;B[fq])
(;B[jj])
(;B[jk])
(;B[jl])
(;B[jm])
(;B[jn]C[];W[kn]C[and what is the best way to do it?
knowing that keeping sente may be a good thing too]AB[mj]AW[nj]
(;B[bq]C[]
(;W[dr]
(;B[cr]
(;W[aq]C[see variation if you wonder why E2 doesn't work for white];B[ar];W[ap];B[er]C[RIGHT])
(;W[er];B[fr];W[fq];B[fs];W[gs];B[cs]
(;W[es];B[fr]
(;W[aq];B[ar];W[bs];B[gq]C[white cannot approch black has an eye in the corner so white is finishedRIGHT])
(;W[gq];B[ds];W[fs]
(;B[hs]C[RIGHT])
(;B[fp]C[RIGHT]))
(;W[fs]
(;B[aq];W[ap];B[gq];W[ar];B[hs];W[bs];B[fp]C[RIGHT])
(;B[gq];W[aq];B[ar];W[bs];B[hs]C[RIGHT])))
(;W[aq];B[ar];W[bs];B[gq];W[es];B[fr]C[RIGHT])))
(;B[er];W[br];B[cr];W[aq];B[ds];W[ap]C[RIGHT]))
(;W[aq]
(;B[ar]
(;W[ap];B[cr]C[that's the best answer except that its goteRIGHT])
(;W[dr]
(;B[br];W[er];B[ap]
(;W[bs];B[cs];W[cr];B[as];W[fr])
(;W[cs]
(;B[bs];W[fr]
(;B[ao];W[bn];B[eo];W[cn];B[an];W[am]
(;B[al];W[aq];B[ap])
(;B[aq];W[cr]))
(;B[cr];W[ds];B[fq];W[ao];B[gq];W[aq])
(;B[fq];W[ao];B[gq];W[cr])
(;B[gq]))
(;B[ao];W[bn];B[eo];W[cn];B[am])))
(;B[cr];W[cs];B[ap]))
(;W[cr];B[br];W[dr];B[er];W[bs];B[ap];W[ao];B[ds];W[aq];B[cs];W[cn]))
(;B[br];W[ar]
(;B[dr];W[am]C[RIGHT])
(;B[bs]C[];W[dr];B[er];W[ap]C[gote]))))
(;B[br];W[bq];B[dr]C[not the best])
(;B[cr];W[bq];B[br]C[not the best]))
(;B[mj]C[];W[nj]AB[jn]AW[kn]C[now capture it the best way knowing that one may want to keep the sente]
(;B[bq]
(;W[dr]
(;B[cr]
(;W[aq]C[see variation if you wonder why E2 doesn't work for white];B[ar];W[ap];B[er]C[RIGHT])
(;W[er];B[fr];W[fq];B[fs];W[gs];B[cs]
(;W[es];B[fr]
(;W[aq];B[ar];W[bs];B[gq]C[white cannot approch black has an eye in the corner so white is finishedRIGHT])
(;W[gq];B[ds];W[fs]
(;B[hs]C[RIGHT])
(;B[fp]C[RIGHT]))
(;W[fs]
(;B[aq];W[ap];B[gq];W[ar];B[hs];W[bs];B[fp]C[RIGHT])
(;B[gq];W[aq];B[ar];W[bs];B[hs]C[RIGHT])))
(;W[aq];B[ar];W[bs];B[gq];W[es];B[fr]C[RIGHT])))
(;B[er];W[br];B[cr];W[aq];B[ds];W[ap]C[RIGHT]))
(;W[aq]
(;B[ar]
(;W[ap];B[cr]C[that's the best answer except that its goteRIGHT])
(;W[dr]
(;B[br];W[er];B[ap]
(;W[bs];B[cs];W[cr];B[as];W[fr])
(;W[cs]
(;B[bs];W[fr]
(;B[ao];W[bn];B[eo];W[cn];B[an];W[am]
(;B[al];W[aq];B[ap])
(;B[aq];W[cr]))
(;B[cr];W[ds];B[fq];W[ao];B[gq];W[aq])
(;B[fq];W[ao];B[gq];W[cr])
(;B[gq]))
(;B[ao];W[bn];B[eo];W[cn];B[am])))
(;B[cr];W[cs];B[ap]))
(;W[cr];B[br];W[dr];B[er];W[bs];B[ap];W[ao];B[ds];W[aq];B[cs];W[cn]))
(;B[br];W[ar]
(;B[dr];W[am]C[RIGHT])
(;B[bs]C[];W[dr];B[er];W[ap]C[gote]))))
(;B[cr];W[bq];B[br]C[not the best])
(;B[br];W[bq];B[dr]C[not the best])
(;B[dr]C[when i said capture the best way i didn't mean litteraly removing it from the goban]))
(;B[mk];W[dr];B[cr];W[er]
(;B[fr];W[fq];B[fs];W[gs]
(;B[gq];W[es])
(;B[ds];W[es]))
(;B[bq];W[br]
(;B[bs];W[ar];B[aq];W[ap];B[as];W[fr];B[ds];W[es];B[fq];W[br];B[gq];W[cs]C[ko])
(;B[ar];W[bs];B[cs];W[ds];B[as];W[fr];B[ap];W[ao];B[fq];W[br];B[gq]C[ko]))
(;B[ds];W[fr];B[bq];W[br];B[bs];W[ar];B[aq];W[ap];B[as];W[es];B[fq];W[br]C[ko];B[gq];W[cs]C[ko])
(;B[cs];W[br]))
(;B[fp];W[dr];B[cr];W[er];B[fr];W[fs];B[fq];W[cs];B[es];W[ds];B[bs])
(;B[hs];W[dr];B[cr];W[er];B[fr];W[fq];B[fs]))