(;AB[qr][pr][or][nq][mq][oo][op][pp][pn][pm][qn][rn][ql][qk][pj]AW[rq][qq][pq][oq][np][no][on][om][ol][pl][qm][rm][mn]C[White plays.]SZ[19]

(;W[po]C[Bad timing.];B[qp]C[Now White's corner is truly hopeless.])
(;W[qp]C[Too slow.];B[po];W[ro]C[White can try to make eye space, but ...];B[sm];W[rr];B[sp];W[so];B[rs]C[... but again, White has nothing.])
(;W[ro]C[The tesuji, and the only move.]
(;B[sm];W[po]C[Now the throw-in works.]
(;B[qo];W[qp]C[White catches the stones in a liberty shortage.])
(;B[qp];W[qo]))
(;B[qp]C[Black cannot create more liberties by pushing here.];W[rp]C[Black has the same liberty shortage problem.])))