Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d3 Nf6 5. Ng5 O-O 6. O-O d5 7. exd5 Nxd5 8.
Ne4 c6 9. Nbc3 Nf4 10. Bxf4 exf4 11. Qf3 a5 12. Qxf4 b5 13. Nxb5 cxb5 14. Bxb5
Bd7 15. Bc4 Be6 16. Bxe6 fxe6 17. Qe5 Ra6 18. Nc5 Bxc5 19. Qxc5 Rc6 20. Qe3
Rxc2 21. b3 Qf6 22. Rfc1 Rxf2 23. Rcb1 Nd7 24. Rc1 Ne5 25. Rab1 Ng4 26. Qg3 Ne5
27. Rc7 Rf1+ 28. Rxf1 *
Position (FEN): 5rk1/2R3pp/4pq2/p3n3/8/1P1P2Q1/P5PP/5RK1 b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 503
Best move: Qxf1#