This problem is taken from the Nihon Ki-in web site (http://www.nihonkiin.or.jp/news/2012/12/15_1.html). The solution is also found on the web site, but I chose not to give the link here.
Please note: ko is not a solution, even though one side may lack ko threats.
(;SZ[9]AB[gh]AB[hg]AB[fh]AB[eh]AB[dh]AB[cg]AB[cf]AB[ce]AB[cc]AB[cd]AB[db]AB[fb]AB[eb]AB[gb]AB[gc]AB[ee]AB[de]AB[fe]AB[gd]AW[dg]AW[gg]AW[df]AW[ff]AW[gf]AW[ge]AW[hd]AW[hb]AW[hc]AW[fa]AW[ga]AW[ea]AW[cb]AW[bb]AW[ig]AW[bc]AW[bd]AW[be]AW[bf]AW[bh]AW[bg]AW[ch]AW[dd]AW[ed]AW[fd]AW[di]AW[ci]AW[ei]AW[fi]AW[gi]C[Black to play and live.]AP[goproblems]
(;B[ef]
(;W[dc]
(;B[eg]
(;W[da]
(;B[hf]
(;W[he]
(;B[hi];W[if]
(;B[ih];W[hh];B[hg]C[All stones alive. Note that the top part is in seki.CHOICERIGHT])
(;B[hh];W[ih]))
(;B[ih];W[hi]
(;B[hh];W[if];B[ie];W[if])
(;B[if];W[hh]))
(;B[hh];W[hi]
(;B[ih];W[if];B[ie];W[if])
(;B[if];W[ih];B[ii];W[ih]))
(;B[if];W[hh];B[ih];W[hi]))
(;W[hh];B[he]C[RIGHT]))
(;B[hi];W[hf]
(;B[ih];W[hh]C[Ko.])
(;B[hh];W[ih]))
(;B[ih];W[hi]
(;B[hh];W[hf])
(;B[hf];W[he]
(;B[hh];W[if];B[ie];W[if])
(;B[if];W[hh]))
(;B[he];W[hf])
(;B[if];W[he]
(;B[hh];W[hf])
(;B[hf];W[hh])))
(;B[hh];W[hf]
(;B[ih];W[hi])
(;B[hi];W[ih]))
(;B[he];W[hf])
(;B[if];W[hf]
(;B[ih];W[hi])
(;B[hh];W[hi])
(;B[hi];W[hh])))
(;W[hh]
(;B[ec];W[da];B[fc]C[RIGHT])
(;B[fc];W[da];B[ec]C[RIGHT])))
(;B[hf];W[eg]
(;B[hi];W[ih])
(;B[he];W[hh])
(;B[ih];W[hi]))
(;B[ec];W[eg])
(;B[fc];W[eg])
(;B[da];W[eg])
(;B[he];W[hf];B[eg];W[da])
(;B[fg];W[eg])
(;B[hh];W[eg])
(;B[hi];W[eg])
(;B[ih];W[eg]))
(;W[hh];B[dc]C[RIGHT])
(;W[da];B[dc]C[RIGHT]))
(;B[dc];W[ef])
(;B[ec];W[ef])
(;B[fc];W[ef])
(;B[hf];W[dc])
(;B[he];W[dc])
(;B[eg];W[ef])
(;B[fg];W[ef])
(;B[hi];W[dc])
(;B[hh];W[dc])
(;B[ih];W[dc])
(;B[da];W[dc]))