(;
AB[pc][pd][qd][pe][pf][pg][qh][qi][qk][qj][rk]
AW[pb][ob][qc][rc][rd][qf][qg][rh][ri][rj]
C[Black plays.

Source:  "Tesuji", Ch. 1, pp. 7-12,
         James Davies, Ishi Press];
B[re]
C[OK, OK, the first move is obvious.]
(;
W[sf]C[White's best defensive try.];
B[se]C[A sparkling move.];
W[rf]
(;
B[sg]
C[And White has a very annoying and
lethal shortage of liberties.]
)
    (;
    B[qe]C[Fails.];
    W[sg]
    )
)
    (;
    W[se];
    B[sf];
    W[qe];
    B[rg]C[White can capture the cutting stone,
but Black has the snapback.]
    )
    (;
    W[rf];
    B[sf];
    W[sg];
    B[se]C[White dies because of the shortage of liberties.]
    )
    (;
    W[qe];
    B[rg]
    )
)
