(;
AB[bb][bc][gc][hc][nc][ad][cd][ce][dd][de][jd][bf][df][dh][fh][qj][om][pm][cn][po][qo][dp][hp][eq][jq][lr]
AW[cb][cc][ec][ed][ee][ef][pc][bd][gd][qe][cf][cg][ch][ci][dg][fg][pl][jo][fp][fq][lp][np][qp][mq][pq]
PL[W]
C[White's response to the marked play?

Source:
Go World #25, pp. 39-40, January 1981
White:  Michael Redmond
Black:  Komatsu Hideki
Commentary:  Michael Redmond]
TR[hp]
(;
W[ip]
C[Michael's game move.  Michael refers to this move as bad suji (technique).

The game sequence that follows is not bad for White, but the variation shows a simpler and better approach for White.];
B[hq];W[ho];B[hr];W[dn];B[go];W[do];B[co];W[cp];B[cq];W[bp];B[cm]
C[Now Black has this strong move.

But White eventually goes on to win anyway.  And with other wins in this tournament, Michael goes on to earn a pro 1 dan title.]
)
    (;
    W[fn]
    C[Instead, simply jumping out is a good move.];
    B[hn]
    C[A natural response, but ...];
    W[fr]
    C[... this descent makes miai of the corner and the side.]
    (;
    B[dr]
    C[If Black protects the corner, ...];
    W[ip]
    C[... now White's previously mentioned game move becomes a strong attack.

The following moves are virtually forced.];
    B[iq];W[ho];B[go];W[io];B[gp];W[fo]
    C[But after White connects here, Black has 2 cutting points to defend.]
    )
        (;
        B[hr]
        C[If Black defends on this side, ...];
        W[cq];B[cp];W[dr]
        C[... White takes a large corner profit.]
        )
    )
)

