(;
AB[qd][pq][po][jp][fq]
AW[dd][dp][cn][qn][rp]
C[Black plays.

Source:
    "Go World", #32, Summer 1983, p. 12
    Cho Chikun  vs.  Kato Masao
    21st Judan Title, game 1
    Kato Masao commentary.]
TR[rp]
(;
B[pl]
C[The standard move.];
W[pn];
B[on];
W[om];
B[pm];
W[oo];
B[nn];
W[pp];
B[op];
W[qo];
B[no];
W[oq];
B[po];
W[pr]
C[White's counter-atari makes
things interesting.];
B[qp];
W[qq];
B[pp];
W[np];
B[oo];
W[rr];
B[nq];
W[or];
B[mp]
C[And Black is dissatisfied because
the marked stone makes Black's
position overconcentrated.]
)
    (;
    B[pn]
    C[This and the next move are a
continuation that Ishida Akira
invented.

The game continued...];
    W[qm];
    B[pl];
    W[qq];
    B[pr];
    W[rk];
    B[pm]
    C[And Black has a very solid shape.]
    )
)
