(;
AB[br][cq][dr][cs][bo][bn][dn][en][fo][fq][eq][hr][gq]
AW[bq][bp][cp][dp][dq][er][fr]
C[Black plays.]
(;
B[cr]
C[Filling the ko fails.  Any dan player playing this move, must drop and do 20 push-ups.];
W[ar]
(;
B[gr];W[bs]
C[White has a ko for life.]
)
    (;
    B[bs]
    C[A stylish move hoping (hopping?) for a rabbity six shape.]
    (;
    W[ds];B[es];W[fs]
    C[But this result is even worse for Black, because White takes the ko 1st.]
    )
        (;
        W[aq]
        C[What Black was hoping for.];
        B[gr];W[as];B[fs];W[ds];B[cr]
        C[White has a dead shape.]
        )
    )
)
    (;
    B[bs]
    C[A goofy looking move, but the vital point, and the only move!]
    (;
    W[ar];B[gr];W[cr];B[ds]
    C[White doesn't even have a ko to live.]
    )
        (;
        W[cr]
        C[Changing the move order doesn't help White.];
        B[ds];W[ar];B[gr]
        C[Again, White dies outright.]
        )
    )
)

