(;
AB[qd][oc][cd][df][cj][hd]
AW[cb][ec][fd][dp][qp][oq]
C[Black plays.

Source:
    American Go Journal, Vol. 20, No. 3, Aug 1986, p. 19,
    "Getting the Most Out of the Opening", Ohira Shuzo 9p];
B[qj]
C[Black is eager to extend to this splendid point.]
(;
W[ql];B[oj]
(;
W[ol]
C[If White defends the lower side, ...];
B[kd]
C[... Black forms an ideal position in the upper right.]
)
    (;
    W[oe]
    C[A standard move to erase Black's potential.];
    B[nd]
    C[Correctly defends the upper side.];
    W[pd];B[pc];W[qe];B[rd];W[mf]
    C[White finishes a standard reducing sequence.];
    B[ol]
    C[But Black seizes the initiative here to build up power in the center, and White cannot easily settle his upper right group.]
    )
)
    (;
    W[cm]
    C[White might think that extending here is big, but ...];
    B[qn]
    C[... Black extends his sphere of influence.];
    W[pi]
    C[White can try the shoulder hit to limit Black's influence.];
    B[qi];W[ph];B[pj];W[ni];B[oj];W[mg];B[ld]
    C[With a group of weak floating stones, White has a difficult position to play.]
    )
)

