White to play and win
M Hennings v W Berson 1987
A nice puzzle. After seeing that 1 Qa4 or 1 Ra3 are too slow, and similarly that 1 Rd4 doesn't do anything, I switched to making 1 Na7! work.
The first point is that 1…Ka7 2 Qa4+ Kb8 3 Ra3 the game is over.
Or, if 1…Qa5, 2 Ra3 Qc5 3 Qa4 Qc5 4 Nc6+ Kc8 5 Nd4 + –