Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. b3 Nf6 4. Qe2 d6 5. Bb2 Bg4 6. g3 Be7 7. Bg2 O-O 8. O-O
Qd7 9. Nc3 Nd4 10. Nxd4 Bxe2 11. Ndxe2 c6 12. d4 Rfd8 13. Nd1 Qe8 14. dxe5 dxe5
15. Bxe5 Nd7 16. Bb2 Bf6 17. Bxf6 Nxf6 18. Ne3 Nxe4 19. Rfd1 Rxd1+ 20. Rxd1 Nf6
21. Nf4 Rd8 22. Re1 Qf8 23. a4 Qc5 24. Nc4 h6 25. Re5 Rd1+ 26. Bf1 Qd4 27. Re7
Nd5 28. Re8+ Kh7 29. Ne2 Qa1 30. Ne5 f6 31. Nf7 Rxf1+ 32. Kg2 Re1 33. c4 Kg6
34. Nh8+ Kf5 35. cxd5 cxd5 36. h3 Rxe2 37. Rxe2 Qd1 38. g4+ Kg5 39. Kg3 Qxe2 *
Position (FEN): 7N/pp4p1/5p1p/3p2k1/P5P1/1P4KP/4qP2/8 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1293
Best move: f4#