Black To Play And Draw

BLACK to make his 43rd move in Mark Whitehead (1847/167) - Spanton (1900/168), Crewe Round 2.

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43...Qd2
The vulnerability of White's king means Black can offer his knight and draw. But the vulnerability of Black's king means saving the knight with 43...Ng3 (other moves lose) is also only a draw, eg 44.Qg6+ Kf8 45.Rc8+ Ke7 46.Qxg5+ Rf6 47.Nc3 Qd2 48.Rc7+ Kd8 (48...Kd6 49.Nb5+ wins for White) 49.Qxf6+ Kxc7 50.Qxe5+ etc.
44.Qxe4
44.Qxd2 Nxd2 45.Rc1 is also a draw, eg 45...Ne4 46.Nc3 Rc7 47.Ne2, when, according to Stockfish10 and Komodo10, Black can draw whether he keeps the rooks on or exchanges them.
44...Qe1+ 45.Kh2 Qg3+ 46.Kg1 ½–½