I'm trying to play through an old game, Zukertort v Blackburne, London, 1883. My problem is the 22nd move seems to be impossible. Here are the first 21 moves.
1 c4 e6 2 e3 Nf6 3 Nf3 b6 4 Be2 Bb7 5 O-O d5 6 d4 Bd6 7 Nc3 O-O 8 b3 Nbd7 9 Bb2 Qe7 10 Nb5 Ne4 11 Nxd6 cxd6 12 Nd2 Ndf6 13 f3 Nxd2 14...