Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Ne5 O-O 6. c3 c5 7. Bd3 Nc6 8. O-O
Qc7 9. Nxc6 Bxf4 10. exf4 bxc6 11. g3 cxd4 12. cxd4 c5 13. dxc5 Qxc5 14. Nc3
Bb7 15. Rc1 Qe7 16. Re1 Rac8 17. Qd2 Rfd8 18. Ne2 Ne4 19. Bxe4 dxe4 20. Rxc8
Rxc8 21. Nc3 Rd8 22. Qe3 f5 23. Qxa7 Qb4 24. Qa3 Qb6 25. Qb3 Qc6 26. Qb5 Qc7
27. Qb3 Qf7 28. Rd1 Rb8 29. Rd6 Re8 30. Qb6 Ba8 31. Nb5 Qh5 32. Nc7 Rc8 33. Rd7
Qf3 34. Qxe6+ Kh8 35. Qe7 Qg4 36. Rd8+ Rxd8 *
Position (FEN): b2r3k/2N1Q1pp/8/5p2/4pPq1/6P1/PP3P1P/6K1 w - - 0 37
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 801
Best move: Qxd8#