(;
AB[dc][dd][hc][fd][fe][jd][dj]
AW[ec][fc][gd][ge]
PL[W]
C[Is Black's marked angle peep appropriate?  How should both White and Black follow up?

Source:
    "The Pleasures of Banality", Charles Matthews
    American Go Journal, Vol. 35, No. 2, p. 43.]
TR[hc]
(;
W[gc]
C[After White protects, ...]
(;
B[df]
C[... protecting the cut here looks tempting.  But similar to last week's problem, ...];
W[ic]
C[... White has good defensive resources.];
B[id];W[hb];B[hd];W[jc]
C[Has Black achieved much with the marked peep?

Black has a group of 4 stones that promises to be high-maintenance from now on, while White isn't so seriously threatened.]
TR[hc]
)
    (;
    B[hb]
    C[If Black really must play out the top here, then the following sequence is more consistent.]
    (;
    W[ff]
    C[Now White should simply make shape on the outside with this and the next move.];
    B[df];W[jf]
    TR[hc]
    C[But the result from the marked peep is still not what Black hopes for.]
    )
        (;
        W[ed]
        C[Note that White can cut here, but then White is the one who is making a poor exchange.];
        B[de]
        C[Acquaintance with Black's follow-ups here is important.];
        W[ee];B[df]
        C[White's chance of just one eye in the center is little reward for solidifying Black's left side territory.]
        )
    )
)
    (;
    W[ed]
    C[Should White push immediately?];
    B[ee]
    C[Instead of Black blocking at B to let White efficiently capture the 2 center stones without having to connect at A, Black can block here.]
    LB[gc:A][de:B];
    W[gc];B[dg];W[ic]
    C[Now this clamp is not as effective, because White A later is less powerful.]
    LB[ff:A]
    )
)

