(;AW[ab]AW[bb]AW[bc]AW[bh]AW[cc]AW[ce]AW[cf]AW[cg]AW[ci]AW[dd]AW[ed]AW[fb]AW[fc]AB[ac]AB[bd]AB[be]AB[bf]AB[bg]AB[cb]AB[cd]AB[db]AB[dc]C[White to live without ko.]
(;W[ae];B[af]
(;W[ad];B[ac]
(;W[ad];B[ba]
(;W[ah]C[White wins!CHOICERIGHT])
(;W[eb];B[ca];W[ec]C[White wins with damezumari!CHOICERIGHT])
(;W[ec]
(;B[ca];W[eb]C[White wins with damezumari!CHOICERIGHT])
(;B[eb];W[ea]C[White wins with damezumari!CHOICERIGHT]))
(;W[ca]C[RIGHT])
(;W[da]C[RIGHT])
(;W[ag];B[ah]
(;W[ai];B[ca]C[Ko])
(;W[eb];B[bi]C[Black escapes.])))
(;W[ah];B[ba];W[ad]C[RIGHT])
(;W[ba];B[ad]))
(;W[ah];B[ba];W[ad];B[ac];W[ad]C[White wins!CHOICERIGHT])
(;W[ba];B[ad]))
(;W[ad];B[ae]C[Ko.])
(;W[ah];B[ad]C[Black wins.])
(;W[ba];B[ad]C[Black wins.])
(;W[aa];B[ba]C[Oops!])
(;W[ag];B[ae]C[Black takes vital point and makes ko.])
(;W[ca];B[ba];W[ad];B[ae]C[Ko.])
(;W[af]
(;B[ae]
(;W[ad];B[ag];W[ah];B[ac]C[Best ko for White, but she can do better.CHOICE])
(;W[ag];B[ah];W[ag];B[ba]C[Ko.CHOICE]))
(;B[ag]
(;W[ah]
(;B[ba];W[ad]C[White wins, but Black can play better.CHOICE])
(;B[ae]C[Best ko for White, but she can play better.CHOICE]))
(;W[ae];B[ad]C[Black wins.CHOICE]))))