(;
AB[nc][qc][pd][qh][pj]
AW[qd][pe][qf]
C[Black's response to the marked play?

Source:
    American Go Journal, Vol. 35, No. 2, p. 36
    Originally from Go Review X, May 1970.]
TR[pe]
(;
B[od]
C[Most beginners respond here.];
W[rc]
C[And after this hane, ...]
(;
B[qb]
C[... those beginners will most likely retreat here, which is too passive.]
)
    (;
    B[rd]
    C[... Black should cut instead.]
    )
)
    (;
    B[rd]
    C[Black should resolutely atari here.]
    (;
    W[re]
    C[White can threaten a ko, but ...];
    B[qe]
    C[... Black has nothing to fear.  In the opening, White will suffer from insufficient ko threats, and Black can quickly end the ko by connecting.]
    )
        (;
        W[od]
        C[If White ataris on this side, ...];
        B[qe]
        C[... again Black captures, leaving 2 defective points at A and B.]
        LB[oe:A][pf:B]
        )
    )
)

