Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. O-O Nxf3+ 5. Qxf3 Qf6 6. Qe2 Bc5 7. c3 Ne7 8.
d4 exd4 9. e5 Qb6 10. Qf3 O-O 11. Qd3 dxc3 12. Nxc3 Nc6 13. Bf4 Nb4 14. Qd1 a6
15. Na4 Qc6 16. Nxc5 Qxc5 17. Bb3 Nc6 18. Rc1 Qd4 19. Qf3 Nxe5 20. Qg3 Ng6 21.
Be3 Qxb2 22. Qxc7 a5 23. Rc2 Qe5 24. Qb6 a4 25. Rc5 Qe4 26. Bc2 Qe6 27. Qb1 d6
28. Bf5 Qf6 29. Rb5 Bxf5 30. Rxf5 Qe6 31. Re1 Ne5 32. f4 g6 33. Rg5 Nc4 34. Bf2
Qd7 35. Qc2 b5 36. f5 Qd8 37. Rg3 Ne5 38. fxg6 fxg6 39. Bd4 Rc8 40. Qe4 Re8 41.
Qd5+ Kg7 42. Qb7+ Rc7 43. Qxb5 Ree7 44. Rd3 Kg8 45. Bxe5 Rxe5 46. Rxe5 Rc1+ 47.
Kf2 Qf6+ 48. Rf3 Qxe5 49. Qb8+ Kg7 *
Position (FEN): 1Q6/6kp/3p2p1/4q3/p7/5R2/P4KPP/2r5 w - - 2 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 899
Best move: Qf8#