(;
AB[jc][kd][ke][kf][jf][ie][he][gd][fd][gc][hc][ee][ef][eg][fg][df][cg][ce][be][cd][cc][db]
AW[bb][cb][bc][bd][dc][ec][fc][ed][de][fe][ff][gf][gg][if][ig][je][jd][id][ic][kc][lc]
C[Black plays.

Source:
    Go World #18, p. 63
    Basic Fighting Techniques
    Miyazawa Goro 6P]
(;
B[fb]
C[Trying to take immediately advantage of White's liberty shortage here is a mistake.];
W[eb]
C[White can calmly defend.];
B[ib]
C[Black has another forcing move here, but ...];
W[jb]
C[Black gains nothing from his 2 forcing move.]
)
    (;
    B[ga]
    TR[jc][db]
    C[Impressive double threat tesuji, which make miai of using one or the other of the marked stones!]
    (;
    W[ib]
    C[White can defend to the right. but ...];
    B[ea]
    TR[dc][ec][fc][ed][de]
    C[... Black uses another nice connection tesuji.  White's marked stones are in trouble.];
    W[fb]
    C[For example ...];
    B[gb]
    C[And Black wins the semeai.]
    )
        (;
        W[eb]
        C[White can also try defending the left, but ...];
        B[jb]
        TR[je][jd][id][ic]
        C[... Black can pull out this stone to make a big problem for the marked stones.];
        W[ib]
        C[Pushing here doesn't solve the problem.];
        B[ia];W[hb];B[gb]
        C[And again, Black wins the semeai.]
        )
    )
)

