Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Bc5 3. d3 Nf6 4. Bg5 Bxf2+ 5. Kxf2 Ng4+ 6. Ke1 Qxg5 7. Ne4 Qe7
8. Nf3 Ne3 9. Qd2 Nxf1 10. Rxf1 O-O 11. g4 Nc6 12. h3 Nd4 13. Nxd4 exd4 14. Qf4
Qb4+ 15. Qd2 Qe7 16. Qf4 d6 17. b4 Qh4+ 18. Qg3 Qe7 19. a3 Bd7 20. h4 Rae8 21.
Rf2 Bc6 22. Rf4 d5 23. cxd5 Bxd5 24. g5 b6 25. Kd2 c5 26. Rg1 c4 27. Nf6+ Kh8
28. Nxe8 Rxe8 29. Re1 c3+ 30. Kc2 a5 31. Rxd4 Qe6 32. Kxc3 Qc6+ 33. Kd2 axb4
34. Rxb4 Rc8 35. Qe5 Qc2+ 36. Ke3 Qc6 37. Qd4 Re8+ 38. Kd2 Qd6 39. Rb5 Qxa3 40.
Qxd5 Rc8 41. Qd4 Qa2+ 42. Ke3 Re8+ 43. Re5 Rc8 44. Ra1 Qb3 45. Qd7 Rg8 46. Ra8
Rxa8 47. Re8+ Rxe8+ *
Position (FEN): 4r2k/3Q1ppp/1p6/6P1/7P/1q1PK3/4P3/8 w - - 0 48
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 1109
Best move: Qxe8#