Problem No. 59 by Carlos E. Salazar, Guatamala, dedicated to George Koltanowski. White to play and mate in three moves.
FEN 5N1q/p6r/K2B4/2p4p/pk5P/r1n5/B2R4/7Q w - - 0 1
Solution: 1. Qc6 Rxa2 2. Qxc5+ Kb3 3. Qb4#
The following position is taken from a simultaneous exhibition game by Dr. A.A. Alekhine.
White (Alekhine) continued with 17. N-K5! (The best move! White threatens QR-R1 and R-R8 mate. Immediately QR-R1 is stopped by QxNP; 18. N-K5 QxR; 19. RxQ PxN and Black has three pieces for his queen.) 17. … PxN; 18. QR-R1 QxNP; 19. Q-B4ch! (the point to the combination), Q-B2; 20. R-R8 mate.