No other moves on the board - get the best local result. Sente is not important.
(;AB[cc]AB[cd]AB[dc]AB[fc]AB[eb]AB[fd]AB[ge]AB[ie]AB[jd]AB[jc]AB[kc]AB[lb]AB[mc]AB[nc]AB[ob]AB[ma]AB[oc]AB[oa]AW[mb]AW[lc]AW[ld]AW[ke]AW[jf]AW[hf]AW[ff]AW[ed]AW[ec]AB[ce]AB[bf]AB[ag]AB[ae]AB[af]AW[cg]AW[bg]AW[bh]AW[ah]AW[cf]AW[dd]AW[df]AW[ef]AW[fe]AW[fg]AW[hg]AW[gg]AW[db]C[What is the best endgame now? Every point counts.]AW[le]AW[if]AW[kf]AP[goproblems]
(;B[cb];W[he];B[hd];W[je]
(;B[id];W[de]C[White made a bonus point here])
(;B[de];W[id];B[ic];W[ee]))
(;B[fb];W[de];B[cb];W[he];B[hd];W[je];B[id]C[])
(;B[de];W[ee]
(;B[cb]
(;W[he];B[hd];W[je];B[id]C[The best for both. Compare this with the wrong variations.RIGHT])
(;W[fb]C[CHOICE];B[da];W[kb]C[FORCE];B[nb];W[gd];B[gc];W[hd];B[he];W[hc];B[gb];W[hb]
(;B[fa];W[jb]
(;B[ib];W[ic]
(;B[ha];W[ia];B[ga]C[Good, w had nothing in here.RIGHT])
(;B[ia];W[ha];B[ka];W[ja];B[ib];W[la]C[Tragic ko.]))
(;B[ha];W[ib]))
(;B[ga];W[jb]
(;B[ka];W[ib])
(;B[ib];W[ha];B[fa];W[ic];B[ka];W[ia];B[la];W[je];B[ja];W[gf]))))
(;B[fb];W[ad];B[be];W[cb];B[bc];W[bb])))