Black to play. (Solution below! This tactic is taken from a variation in the Mieses-Alekhine game and was presented to Garry Kasparov to solve by Dr John Nunn. It is featured in volume 1 of the essential “My Great Predecessors” book.)
1…Re1+! 2 Rxe1 Rxc1+ 3 Kxc1 d2+ 4 Kc2 dxe1N+!! forks King & Queen and Black emerges a piece and a pawn up.