(;
AB[oa][ob][oc][od][pa][qb][pd][qd][rd]
AW[na][nb][nc][nd][ne][pb][sb][qc][oe][pe][qe][re][se]
PL[W]
C[White plays.  Fukui 8P's solution (the main line) kills Black, but does Black have a better defense to cook the problem!?

Source:  "45 3-Move Life and Death Problems"
Fukui Masaaki 8P, Kido, 1989 October];
W[rc]
(;
B[sd]
C[The solution's only given defense.  Now White can kill.

But does my variation show a better defense for Black?]
(;
W[ra]
C[Nice move.  Black has an almost comical liberty shortage.]
(;
B[pc];W[qa]
)
    (;
    B[qa];W[pc]
    )
)
    (;
    W[rb]
    C[Mistake.];
    B[pc];W[ra];B[qa]
    C[Seki.]
    )
)
    (;
    B[ra]
    C[A bizarre move, but White no longer seems to have a kill.  If you spot a mistake in the following analysis, please let me know at potw@usgo.org.]
    (;
    W[rb]
    C[White's best move?];
    B[sd]
    C[White only has a ko?];
    W[pc]
    C[And if White cannot fight the ko, Black has this seki.];
    B[qa]
    )
        (;
        W[pc]
        C[Worse?];
        B[sd]
        C[Now White doesn't even have a ko.];
        W[rb];B[qa]
        C[Seki.]
        )
        (;
        W[sd]
        C[Worst of White's possibilities?];
        B[rb]
        C[With White's liberty shortage, Black lives with 3 points of territory.];
        W[sc];B[pc]
        )
    )
)

