(;AW[ba]AW[bb]AW[bc]AW[bd]AW[ae]AW[bf]AW[bg]AW[cf]AW[de]AW[dd]AW[dc]AW[db]AW[da]AW[ec]AW[ee]AW[ef]AW[ff]AB[ed]AB[fd]AB[fc]AB[fb]AB[eb]AB[ea]AB[hb]AB[ib]AB[jb]AB[ic]AB[hd]AB[jd]AB[ie]AW[kd]AW[kc]AW[kb]AW[jc]AW[ha]AW[je]AW[jf]AW[if]AW[hf]AW[gf]AB[kf]AB[lf]AB[mf]AB[mg]AB[jg]AB[jh]AB[kh]AB[lh]AB[li]AB[mi]AB[nj]AB[ig]AB[hg]AB[gg]AB[fg]AB[eg]AB[dg]AB[cg]AB[df]AB[ch]AB[bh]AB[ag]AB[bi]AB[bj]AB[cj]AB[bk]AB[ak]AB[al]AW[ci]AW[di]AW[dj]AW[ck]AW[dk]AW[dl]AW[cm]AW[bl]AW[am]AW[bn]AW[cn]AW[bo]AW[ao]AW[ap]AW[aq]AB[ar]AB[br]AB[bq]AB[bp]AB[cp]AB[co]AW[do]AW[eo]AW[en]AB[dn]AB[dm]AB[em]AB[fm]AB[fn]AB[gm]AB[fl]AB[fk]AB[fj]AB[ej]AB[ei]AB[gj]AB[hj]AW[dh]AW[eh]AW[fh]AW[fi]AW[gi]AW[hi]AW[hh]AW[ih]AB[ii]AB[ij]AB[jj]AW[ji]AW[ki]AW[kj]AW[lj]AW[lk]AB[hk]AW[ik]AW[jk]AW[jl]AW[jm]AW[jn]AW[kn]AW[jo]AW[lo]AW[kp]AW[lp]AW[lq]AW[mo]AW[mp]AW[np]AW[oq]AW[pq]AB[ps]AB[nr]AB[mr]AW[nq]AW[or]AB[qq]AB[rq]AW[qp]AW[rp]AW[qr]AB[pr]AB[os]AB[lr]AB[qo]AB[ro]AB[rn]AB[qm]AB[pn]AB[pp]AB[op]AB[no]AB[nn]AB[mn]AB[ln]AB[mm]AB[nl]AB[om]AB[pl]AB[pk]AW[nk]AW[ok]AW[ol]AW[pj]AW[oj]AW[lm]AW[ml]AW[oi]AW[ph]AW[qg]AW[rh]AW[pf]AW[of]AW[nf]AW[ng]AW[nh]AW[mh]AB[oe]AB[qe]AB[qf]AB[pd]AB[pc]AB[qb]AB[rc]AW[pb]AW[ob]AW[nc]AW[nd]AB[il]AB[im]AB[in]AB[hn]AB[io]AB[ip]AB[jp]AB[jq]AB[kq]AB[ir]AB[is]AB[ks]AW[hr]AW[hs]AW[hq]AW[iq]AW[fp]AW[fq]AW[er]AW[dr]AW[cr]AW[cq]AB[dq]AB[eq]AW[qk]AW[ql]AW[rm]AW[sl]AB[kk]C[What's the best point on the board for white?]AB[rf]AP[goproblems]
(;W[kl]C[Black cannot capture the marked stones anymore and this leaves only one ko threat.RIGHT]TR[kp]TR[lp]TR[lo]TR[mo]TR[mp]TR[np]TR[nq]TR[oq]TR[pq]TR[or]TR[lq])
(;W[ll]C[Almost correct. Black cannot capture the marked stones anymore but black has ko threats at A and B now. That's one ko threat more than in the correct answer.]LB[mq:A]LB[kl:B]TR[lo]TR[lp]TR[lq]TR[kp]TR[mp]TR[mo]TR[np]TR[nq]TR[oq]TR[pq]TR[or])
(;W[km]C[Almost correct. Black cannot capture the marked stones anymore but black has ko threats at A and B now. That's one ko threat more than in the correct answer.]LB[mq:A]LB[kl:B]TR[kp]TR[lp]TR[lo]TR[mo]TR[mp]TR[np]TR[nq]TR[oq]TR[pq]TR[or]TR[lq])
(;W[ko]C[Almost correct. Black cannot capture the marked stones anymore but black has ko threats at A and B now. That's one ko threat more than in the correct answer.]LB[kl:A]LB[mq:B]TR[kp]TR[lp]TR[lo]TR[lq]TR[mp]TR[mo]TR[np]TR[nq]TR[oq]TR[pq]TR[or]AB[rf]))