(;
AB[bb][ac][bd][cc][cd][dd][ed][ce][fe][ff][hd][id][ic][kb][nc][pd][rd][ch][dh][di][bh][ck][cm][bm][dq][ep][fo][gn][fm][qn][pj][qj][oi][oh][nk][gi][lp][ln][hm][hl][hk][rp]
AW[db][dc][ec][fd][gc][hc][ge][gf][gg][eg][dg][eh][ei][bg][bf][ci][ek][dl][dm][dn][co][kd][lf][nf][qf][pg][pi][qi][qp][oq][io][go][gp][oo][hn][im][il][pm]

C[White's response to Black's marked sharp move?

Source:  Go World #29, Autumn 1982, p. 28
Cho Chikun vs. Kobayashi Koichi
37th Honinbo Title, game 1]
TR[rp]

(;
W[rq]C[Inferior];
B[pp]
(;
W[qq];
B[op]
C[Black gets an excellent result.];
W[po];
B[np]
)
    (;
    W[pq];
    B[qo];
    W[qq]
    LB[on:A]
    C[Next, Black will aim at A.]
    )
)
    (;
    W[ml]
    C[Correct (game continuation).
As the other variations show, White has no good answer
to Black's move, so White counterattacks with a tenuki.];
    B[jn];
    W[in];
    B[qq];
    W[pp]
    )
)
