(;AW[dm][dl][co][cn][di][ej][fj][gj][ik][hk][fh][eh][bk][bj][ch][bh][bi][ef][bg][ff][gf][hf][fn][fo][gn][hn][ho]AB[cm][cl][ck][cj][dn][en][gm][fm][hm][in][jm][jl][jk][ij][hj][hi][gh][bl][ci][dh][dg][cg][bf][cf][ag]C[A chance for some profit!]AP[goproblems]
(;B[dk];W[el]
(;B[ek];W[fl]
(;B[fk];W[gl];B[gk]C[Playing it cool... =)RIGHT])
(;B[gk];W[fk]C[The stones on the left may die now, see the variation starting with G9]))
(;B[gk];W[ek]C[The stones on the left may die now, see the variation starting with G9])
(;B[fl];W[ek]C[The stones on the left may die now, see the variation starting with G9])
(;B[fk];W[ek]C[The stones on the left may die now, see the variation starting with G9]))
(;B[ek];W[dk];B[dj];W[ei]
(;B[el];W[al];B[em];W[an]C[You captured some stones but White rescued more.]SQ[bk][bj][bi][bh][bg][ch])
(;B[em];W[al];B[el];W[an]C[You captured some stones but White rescued more.]SQ[bk][bj][bi][bh][bg][ch])
(;B[al];W[el]
(;B[ah];W[am];B[bn];W[ak];B[bm];W[bo])
(;B[bn];W[bo]
(;B[an];W[ao];B[ah];W[am]
(;B[ai];W[bm])
(;B[bm];W[ak]))
(;B[am];W[ao];B[ah];W[an]C[A big ko at no loss to White; the stones on the left were dead already.])
(;B[ao];W[am]))))
(;B[gk];W[dk]
(;B[al];W[dj];B[bn];W[bo];B[am];W[ao]C[White gets a big ko for free, the White stones on the left were dead already.])
(;B[fk];W[dj])
(;B[dj];W[ei]
(;B[ek];W[al])
(;B[al];W[am])))
(;B[ak]C[These were already yours!]))