(;
AB[pd][pj][qn][qp][pp][op][np][mp][kp][cj][cm]
AW[cd][ed][ch][dp][qq][rq][rp][pq][nq][mq]
PL[W]
C[White plays.

Source:
    Go World #16, p. 54
    "Correcting the Mistake", Kato Honinbo]
(;
W[co]
C[In this game between 1-2 dan level players, White goes badly astray here.]
(;
B[ej]
C[Black also goes astray by obediently following White's left side pressure.

Both players are ignoring strategically urgent points. ]
)
    (;
    B[jd]
    C[Instead, Black should add a stone at the top.  All of Black's stones are working together on the right half of the board.];
    W[qf]
    C[Now White has to invade the right side before Black completely shuts White out.];
    B[qe];W[pf];B[nd];W[ph]
    C[But with sente, Black can look forward to pressuring White's top right group, while making more territory.]
    )
    (;
    B[jc]
    C[Playing on the 3rd line is a good point, but ...];
    W[je]
    C[... White has this good counter-combination.];
    B[ld]
    C[After Black defends, ...];
    W[qc]
    C[... White has this nice invasion.

This result is not bad for Black, but the correct variation is better.]
    )
)
    (;
    W[jd]
    LB[bp:A][fq:B][co:C]
    C[Correct.  White should forestall Black's development on the right side here.

Because Black would not waste time in the lower left with a move like A or B, White's play of C is not urgent.]
    )
    (;
    W[jc]
    C[Not a bad move, but ...];
    B[je]
    C[... Black will cap here to  keep alive Black's right side moyo potential.]
    )
)

