(;AB[gb][hb][ib][dc][ec][fc]AW[fb][cc][gc][ic][jc][lc][cd][dd][fd][gd]C[White plays.

Source:
    Problem #48 from the yose volume of Gokyo Seimyo, a nearly 200 year old problem set.]PL[2]SZ[19]

(;W[ea]C[The diagonal tesuji to the edge destroys Black's eye shape.]
(;B[eb]C[The toughest defense.];W[da];B[cb];W[bb]
(;B[fa]
(;W[ba]LB[fb:a]C[White's sequence has prevented A from being Black's 2nd eye.])
(;W[ca]C[Don't fall for this careless mistake!];B[ba];W[aa];B[db]C[Black makes a 2nd eye with a capture.]))
(;B[ba];W[fa];B[bc];W[ab];B[ac];W[db]C[Black collapses.]))
(;B[db]C[No better.];W[cb];B[da];W[ca]))
(;W[ca]C[A tesuji that often works ... but not in this position.];B[ea]C[Black takes the vital point to make a living shape.]))