Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Be2 Bc5 5. d4 Bb6 6. O-O a6 7. Bxf4 d5 8. e5
Nge7 9. c3 O-O 10. Qe1 Nf5 11. Na3 Ba5 12. Nc2 b5 13. Ne3 Nfxd4 14. Nxd4 Nxd4
15. b4 Nxe2+ 16. Qxe2 Bb6 17. Kh1 Re8 18. Qf3 h6 19. Bxh6 gxh6 20. Qxf7+ Kh8
21. Rf6 Bxe3 22. Raf1 Qe7 23. Qxd5 Be6 24. Qe4 Bg5 25. R6f3 Rf8 26. h4 Rxf3 27.
Rxf3 Bxh4 28. Qxa8+ Kg7 29. Qe4 Qg5 30. Qc6 Qxe5 31. Qe8 Qd6 32. Qh5 Bg3 33.
Rxg3+ Qxg3 34. Qc5 Kg6 35. Qc6 Qe1+ 36. Kh2 Kf5 37. Qf3+ Ke5 38. Qh5+ Kd6 39.
Qxh6 Qe5+ 40. Kg1 Kc6 41. Qf8 Kb7 42. Qf3+ Kb8 43. Qf8+ Kb7 44. Qf3+ Bd5 45.
Qh3 Qe1+ 46. Kh2 Bxa2 47. Qf3+ c6 48. Qf8 Kb6 *
Position (FEN): 5Q2/8/pkp5/1p6/1P6/2P5/b5PK/4q3 w - - 2 49
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 765
Best move: Qb8#