Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. d5 c6 3. Nc3 cxd5 4. Nxd5 Qa5+ 5. Nc3 d5 6. Bd2 Qd8 7. Bg5 e6 8.
Bxf6 Qxf6 9. e3 a6 10. Bd3 Nc6 11. Nf3 Bd6 12. e4 d4 13. Na4 Bb4+ 14. Nd2 O-O
15. O-O Ne5 16. Nb6 Rb8 17. f4 Nxd3 18. cxd3 Qd8 19. Ndc4 Bc5 20. Qb3 Bd7 21.
Rf3 Bb5 22. a4 Bxc4 23. Nxc4 b5 24. axb5 Rxb5 25. Qa4 Qc7 26. Qxa6 Rbb8 27. Qa4
Qb7 28. f5 Ra8 29. Qd1 Rxa1 30. Qxa1 Ra8 31. Qb1 Qb3 32. fxe6 fxe6 33. Ne5 Ra2
34. Qc1 Qb5 35. Qf4 Qxb2 36. Qf7+ Kh8 37. Qf8+ Bxf8 *
Position (FEN): 5b1k/6pp/4p3/4N3/3pP3/3P1R2/rq4PP/6K1 w - - 0 38
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 901
Best move: Rxf8#