(;
AB[qd][od][jc][dq][ep][hq][pp][qq][qr][po][oq][nq][or][ns][on][nn][mo][ln][kn][jm][im][hm][gm][fm][dm][dn][cl][bl][bk][cj][ej]
AW[dc][ce][pi][gj][gl][fl][el][dl][ck][cm][cn][co][cq][cr][jq][ko][lo][jn][in][mp][mq][nr][lr][rr][rq][qp][qo][qn][pn][om]
LB[ch:A][qf:B][gh:C]
C[White plays:  A, B, or C?

Source:
    Go World #4, Nov-Dec 1977, p. 56
    Blueprint 361]
(;
W[gh]
C[Correct.  By making the center group strong, White will have free movement everywhere else.];
B[cg]
C[If Black protects his left side group, ...];
W[hc]
LB[lc:A][qf:B]
C[... White is free to extend here.  Now White is well positioned to reduce the effectiveness of Black's upper right with plays like A or B.]
)
    (;
    W[ch]
    C[A mistake in timing.];
    B[dh];W[cg];B[gi]
    C[Now Black exploits the weakness of White's center group.];
    W[hi];B[gh];W[fj];B[ei];W[ij];B[ig];W[kj]
    C[White must meekly run out with the center group.];
    B[qg]
    C[Now Black takes the huge point on the right side.  White will have a difficult time winning this game.]
    )
    (;
    W[qf]
    C[Again, bad timing.];
    B[gi]
    C[Again, Black will jump on the weak White center group.];
    W[hi];B[gh];W[fj];B[ei];W[ij];B[ig];W[kj];B[of]
    C[Thanks to Black's last attacking move, this play build a large framework.

Compare this position with the main line to see how much worse White is here.]
    )
)

