(;
AB[pc][qd][md][ld][jd][id][pf][lf][jf][ng]
AW[oc][nc][jc][ic][hc][ne][me]
C[White plays

Source:
    Qi Jing Zhong Miao #433, an ancient collection of mostly kyu level life and death problems.

Side variation analysis:
    Myron Souris]
(;
W[kd]
C[A clever preparation move.]
(;
B[le];W[lb]
C[Normally this connection move fails, but here White's 1st stone make the difference.];
B[kb];W[lc]
C[Now this move saves the connection.];
B[kc];W[ka]
C[And White connects along the top edge.]
)
    (;
    B[kc];W[kb]
    (;
    B[lb];W[mb]
    (;
    B[lc];W[la]
    C[White connects.]
    )
        (;
        B[mc]
        C[Even worse.];
        W[la];B[lc];W[le];B[ke];W[nd]
        )
    )
        (;
        B[mc];W[mb]
        )
    )
    (;
    B[lb]
    C[Black doesn't have time to extend toward the edge.];
    W[le]
    C[Now Black is the one whose group is cut off.  Black runs out of freedoms before White does.]
    )
)
    (;
    W[lb]
    C[Bad timing];
    B[kb]
    (;
    W[kc];B[mb]
    C[Now Black's standard clamp tesuji works.];
    W[mc];B[lc]
    C[White cannot connect.]
    )
        (;
        W[kd]
        C[Also fails.  White can no longer transpose back into the correct line.];
        B[kc];W[ke];B[le]
        (;
        W[lc];B[ka]
        C[Black wins the liberty race to split the White group.]
        )
            (;
            W[ka];B[lc]
            C[And Black does not have a shortage of liberties as in the correct line.]
            )
        )
    )
)

