(;
AB[br][cr][dq][dp][pp][co][cn][cm]
AW[dr][er][cq][eq][jq][ep][eo][dn]
C[White plays.

Source:  Tesuji Dictionary, Vol. 1, Tsuke #49,
Segoe Kensaku & Go Seigen, Ishi Press]
(;
W[cs]C[An uninspired failure.];
B[bs]
)
    (;
    W[bq]C[Looks dangerous, but ...];
    B[bs]C[This correct response leaves White with nothing.]
    )
    (;
    W[bs]C[Correct tesuji.]
    (;
    B[bq]C[Black must submit.];
    W[cs]
    )
        (;
        B[cs]C[If Black tries to cut off White ...];
        W[bq];
        B[bp];
        W[ar]C[Black walks into an unfavorable ko.]
        )
    )
)
