(;
AB[df][dh][ci][cj][ck][bk][dk][cl][dl][ek][bm][cn][dn][em][fm][bo][bp][cp][dp][bq][eq][fq][fp][gp][go][gr][ip][jp][kq][in][io][jm][gj][ij][hj][hk][ih][ji][ki][oc][qd][qp][ro][qn][mo][mm][kl][ll][rh][ni][ri][rj][qj][pj][ok][nk][mk][pl][im][jl]
AW[cc][ec][qf][qi][rp][po][qo][pp][pq][mq][kp][lo][jo][jn][kn][km][lm][mn][nn][lj][kj][jj][li][ik][il][hm][gm][gn][fo][en][eo][ep][dq][cq][cr][br][aq][er][fr][hq][bl][dj][ej][fk][fl][el][ii][hr][hl][jk][mj][nj][oj][pi][qh][rg][rk][rm][nm]
C[Black to defend the unsettled middle right group.

Source:
    Go World #16, p. 32
    1979 insei league game between Michael Redmond (White) and Kuboniwa]
(;
B[rl]
C[In the game, Black mistakenly tries to defend the group here.];
W[ql]
C[A no-fork sequence follows.];
B[qm];W[sl];B[rn];W[pm];B[qk];W[so]
C[White is happy to force Black to fight a ko.];
B[rl];W[oe]
C[Black has enough ko threats, but this peaceful threat is good enough for White.

The game has decisively turned around for White.

A few more moves of the game follows.];
B[pn];W[mc];B[nd];W[pc];B[pd];W[qc];B[rc];W[rb];B[rd];W[ob];B[od];W[nb]
)
    (;
    B[qm]
    C[Correct.  Black can live outright by pushing here.]
    (;
    W[rn];B[rl];W[sl];B[ql]
    C[Now Black can connect.];
    W[so];B[qk];W[sk];B[om]
    LB[pn:A][sj:B]
    C[Black has one eye, and makes miai of a second eye with A or B.]
    )
        (;
        W[ql]
        C[No better.];
        B[rn];W[pm];B[sl]
        C[Black wins the semeai involving the right side stones.]
        )
    )
)

