(;
AB[dn][do][ec][eq][ko][kq][lp][ol][om][oo][op][oq][pl][pn][po][pp][pr][qe][qj][qk][qn][qo][qq][qs][ro][rr][rr]
AW[cm][cn][cp][io][iq][kr][mo][mp][mq][nn][on][pc][pj][pk][pm][ql][qm][qp][rl][rn][rp][rq][rs][so][sq][sr]
C[Black plays.

Source:
American Go Journal, Sept 1981, Vol. 16, No. 3, pp. 29-30
Kobayashi Satoru 4p  vs.  O Rissei 4p]
(;
B[rk]
C[Fails.
Kobayashi misses a chance to win.];
W[sm]
C[White's group is now safe];
B[mm]
C[The game continued...];
W[qr];
B[mn];
W[nm]
C[In preparation for finishing the ko.];
B[nl];
W[no];
B[ml];
W[ps];
B[lr];
W[nr]
C[White now has 40 points in the corner
and went on to win the game.]
)
    (;
    B[sm]
    C[Wins.]
    (;
    W[qi];
    B[sk]
    C[And White collapses.]
    )
        (;
        W[sk];
        B[qi];
        W[sn];
        B[rk]
        LB[nk:A]
        C[And the net at A is a move short.]
        )
    )
)
