(;
AB[ec][fc][pc][pd][rc][fd][qd][pf][bg][cg][eg][eh][dh][cj][ok][qk][cl][dl][dm][cn][en][fn][po][fp][jp][lq][pq]
AW[db][dc][pb][qb][rb][nc][qc][ed][jd][de][bf][cf][dg][bh][ch][bm][cm][em][mm][om][qm][dn][do][co][lo][cq]
PL[W]
TR[eg]
C[White's response to the marked atari?

Source:
7th Tengen, Kato Masao 9P(W) v. Kobayashi Koichi 9P
Go World #27, p. 33,  Spring 1982]
(;
W[df]
C[Simply connecting in gote shows a lack of fighting spirit.

Now Black is free to pick a plan, e.g., attack the top, or make a framework while attacking the lower right stones.]
)
    (;
    W[fe]
    C[Of course, Kato picks a more active plan.];
    B[df]
    C[Black can capture here, but ...];
    W[ag]
    C[... White can connect underneath.

The game line follows, showing what White can accomplish with his "extra" marked move.]
    TR[fe];
    B[ge];W[ff];B[gf];W[fg];B[gh];W[gg];B[hg];W[hf];B[fh];W[dg];B[cg];W[ee]
    C[Now Black has a problem on the outside with the marked cutting stone.

The game goes on to move 253 with White eventually winning by 5.5 points.]
    TR[hf]
    )
)

