(;AW[ba]AW[ca]AW[ea]AW[eb]AW[db]AW[fb]AW[ec]AB[cb]AB[bb]AB[cc]AB[dc]AB[ed]AB[ee]AB[gc]AB[fc]AB[gb]AW[dd]AW[cd]AW[be]AW[cf]C[Black to get the best result.]AP[goproblems]
(;B[ac];W[bd]
(;B[aa];W[ab]C[Well done, a ko! :)RIGHT]MA[aa])
(;B[ab];W[ad]C[Black is captured! :(])
(;B[bc];W[ad]C[Black is captured! :(])
(;B[ga];W[bc]C[Black is captured! :(]))
(;B[bc];W[bd]
(;B[ab];W[ad]C[Black is captured! :(])
(;B[ac];W[ad]C[Black is captured! :(])
(;B[aa];W[ab]C[Black is captured! :(])
(;B[ga];W[ab]C[Black is captured! :(]))
(;B[ab];W[bc]C[Black is captured! :(])
(;B[bd];W[ab]C[Black is captured! :(])
(;B[ga];W[ab]C[Black is captured! :(])
(;B[aa];W[ab]C[Black is captured! :(])
(;B[fa];W[ga]C[White gains threats! :(])
(;B[ha];W[ab]C[Black is captured! :(]))