Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bd3 cxd4 6. cxd4 Nxd4 7. Be3 Nc6 8. Nf3
Qc7 9. Bb5 Ne7 10. Nbd2 Nf5 11. Rc1 Nxe3 12. fxe3 Be7 13. O-O O-O 14. Nd4 Bd7
15. Qh5 a6 16. Bxc6 bxc6 17. N2f3 c5 18. Ng5 Bxg5 19. Qxg5 Qb6 20. Nb3 c4 21.
Nd4 Qxb2 22. Rc2 Qb6 23. Rcf2 Qd8 24. Qh5 g6 25. Qh6 Qc7 26. Nf3 f5 27. Ng5 Bb5
28. Nxe6 Qe7 29. Nxf8 Rxf8 30. Qf4 c3 31. Rc1 Rc8 32. Qd4 Qe6 33. Rfc2 Rc4 34.
Qa7 Qxe5 35. Qa8+ Kg7 36. Qb7+ Kh6 37. Qb6 f4 38. exf4 Qxf4 39. Rxc3 Rxc3 40.
Rxc3 *
Position (FEN): 8/7p/pQ4pk/1b1p4/5q2/2R5/P5PP/6K1 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1401
Best move: Qf1#