(;AB[cd]AB[dd]AB[ed]AB[fd]AB[be]AB[cf]AB[bg]AW[cg]AW[df]AW[bd]AW[cc]AW[dc]AW[bb]AW[ac]AB[ab]AB[cb]AW[ba]AW[fb]AB[ec]AW[eb]AW[fc]AW[db]AW[gd]AW[fe]AB[ci]AB[bj]C[White to play and get a ko.]AP[goproblems]
(;W[ce];B[de]
(;W[ee];B[ce]
(;W[bf];B[ae];W[bh];B[af];W[ch];B[dg])
(;W[ae];B[bf]))
(;W[bf];B[ce]
(;W[ae];B[af];W[ee];B[ad]C[Good job.RIGHT])
(;W[ee];B[ae];W[bh];B[af];W[ch];B[dg])))
(;W[bf];B[ce]C[Variation found by mountain root, thanks.]
(;W[bh];B[dg];W[ag];B[ef])
(;W[ae];B[af];W[bh];B[dg];W[ch];B[ef])
(;W[af];B[dg];W[ch];B[bh];W[dh];B[ae]))
(;W[ee];B[ce])
(;W[bh];B[dg])
(;W[ae];B[bf]C[Thanks, cae!])
(;W[dg];B[bh])
(;W[de];B[ce]
(;W[bf];B[dg])
(;W[ae];B[dg]))
(;W[ef];B[bh]))