(;
AB[qd][pd][me][ld][ke][lf][jf]
AW[lb][jc][jd][je][if][he]
C[Black's response to the marked White move?
Source:
   The Endgame, Chap. 5, pp. 80-81
   Tomoko Ogawa & James Davies, Ishi Press]
TR[lb]
(;
B[mc]
C[Failure.];
W[nb]
C[White simply jumps out ahead of
Black toward the corner.]
)
    (;
    B[mb]
    C[Inferior.];
    W[mc];
    B[lc];
    W[nb];
    B[kb];
    W[ma];
    B[kc];
    W[pb]
    C[White lives in the upper right, and
Black will probably not be able to do
as much damage to White's upper
left area. ]
    )
    (;
    B[nb]
    C[Correct.]
    (;
    W[mb];
    B[nc]
    C[And Black completes his defense.]
    )
        (;
        W[mc]
        C[If White tries to slip past Black...];
        B[nc]
        C[Black can seal off White.]
        )
    )
)
