(;SZ[6]AW[ae]AW[ce]AW[bf]AB[ad]AB[bc]AB[cd]AB[ba]AB[bb]AB[dd]AB[ed]AB[fd]AW[fc]AW[ec]AW[dc]AW[cc]AW[cb]AW[ca]AW[ea]AW[de]AB[ee]AW[df]AW[ff]C[black needs some smarts to win this one]
(;B[eb];W[fb]
(;B[be];W[bd]
(;B[da]
(;W[ac]
(;B[fa]C[CHOICERIGHT])
(;B[ab];W[aa]))
(;W[db];B[be]C[white has no ko threatsRIGHT]))
(;B[ac];W[be])
(;B[db];W[ac])
(;B[ab];W[be]))
(;B[bd];W[be])
(;B[da];W[db];B[be];W[bd])
(;B[db];W[da])
(;B[ab];W[be]))
(;B[be];W[bd]
(;B[eb];W[ac])
(;B[db];W[ac])
(;B[fb];W[ac]))
(;B[fb];W[eb]
(;B[be];W[bd])
(;B[bd];W[be]))
(;B[bd];W[be])
(;B[db];W[be])
(;B[da];W[db])
(;B[fa];W[fb])
(;B[ac];W[be])
(;B[ab];W[be])
(;B[ef];W[be]))