(;
AB[hc][hd][jd][pd][ce][ee][fe][ge][dp]
AW[dc][gc][gd][ed][he][hf][fg][dh][po]
C[Black's response to the marked play?

Source:
Go World #24, pp. 18-19
White:  Miyamoto Naoki 9P
Black:  Takemiya Masaki 9P
Commentary:  Miyamoto 9P]
TR[fg]
(;
B[gb]
LB[fb:A][hb:B]
C[In the game, Takemiya hanes here, which might seem strange, because after White blocks at A, the potential capture at B helps White make eye shape.

But see the variation, which shows why Black doesn't play on the left first.]
(;
W[fb];B[dd]
C[Now Takemiya comes back here in the game.]
(;
W[ec]
C[Necessary.];
B[fd]
C[In the game, Black forces here first, while White must connect.];
W[fc];B[cc]
C[In the game Black can now continue with the double hane.];
W[cb];B[bb];W[df];B[de];W[bc];B[cd];W[da];B[bg];W[bh];B[cg];W[ch];B[ba];W[hb];B[ib];W[ga];B[cm]
C[And Black has sente from the top left to take this big point that limits the potential from White's wall above.]
)
    (;
    W[cd]
    C[If White ataris here instead, ...];
    B[de]
    C[... Black willingly connects.];
    W[ec]
    C[To keep Black from capturing 2 stones to connect.  The sequence that follows ...];
    B[fd];W[fc];B[cc]
    C[... a bad result for White.]
    )
)
    (;
    W[cd]
    C[What if White tries to avoid the game line?];
    B[de]
    (;
    W[bd];B[ec]
    C[Black captures the 2 marked stones.]
    TR[gc][gd]
    )
        (;
        W[fb];B[dd];W[ec];B[fd];W[fc];B[cc];W[cb];B[bd]
        LB[df:A]
        C[Black captures a stone.  This result is better than the game line.  White no longer has the peep at A.]
        )
    )
)
    (;
    B[dd]
    C[If Black just plays here first, and ...]
    (;
    W[ec]
    C[... White connects, then ...];
    B[cc];W[cb];B[bb]
    C[... this double hane is excellent for Black.  For example ...];
    W[df];B[de];W[bc];B[cd];W[ba];B[db];W[ab];B[eb]
    C[Black wipes out most of the corner.]
    )
        (;
        W[cc]
        C[But White will descend here instead, to take the vital point.]
        (;
        B[ec]
        C[If Black cuts, ...];
        W[eb]
        C[... White is happy to give up a stone to make good shape in the corner.]
        )
            (;
            B[fd]
            C[Pushing here is no better.];
            W[fc]
            C[White simply blocks here, and the result is still bad for Black.]
            )
        )
    )
)

