(;
AB[qd][od][ic]
AW[mc][qg][qj]
C[White plays.

Source:
    Keshi and Uchikomi, Kaoru Iwamoto 9p,
    American Go Journal, Vol. 20, No. 3, Aug 1986, p. 29]
(;
W[ob]
C[Not good.];
B[pc]
C[The proper answer.  Now White has no follow up against the Black corner.  Moreover, White is now the one who is attackable.]
)
    (;
    W[pc]
    C[The vital point for attacking the corner.]
    (;
    B[qf]
    C[The correct response is for Black to attack the side group.];
    W[qc];B[pg];W[oc];B[qh]
    C[This exchange is not quite satisfactory for either side.]
    )
        (;
        B[qc]
        C[If Black protects the corner, ...];
        W[oc];B[pd];W[nd]
        LB[re:A]
        C[White completes his formation, while Black still has to worry about the danger of White A.]
        )
        (;
        B[oc];W[pd];B[pe];W[qc];B[oe];W[re]
        C[Correct move order.];
        B[ob];W[qe];B[ld]
        C[White is a little overconcentrated on the right, but White's upper stone may have some aji.]
        )
    )
)

