Chess puzzle (Checkmate)
Moves: 1. Nf3 e5 2. e4 Nc6 3. Bc4 h6 4. d4 Bd6 5. dxe5 Nxe5 6. Nxe5 Bxe5 7. Qd5 Qf6 8.
O-O Ne7 9. Qc5 O-O 10. Nd2 b6 11. Qe3 Ng6 12. Nf3 Bf4 13. Qd3 Bxc1 14. Raxc1
Ne5 15. Nxe5 Qxe5 16. Bd5 c6 17. Bb3 d6 18. f4 Qc5+ 19. Kh1 Qh5 20. Rf3 Bg4 21.
Rg3 Rad8 22. c4 c5 23. Bc2 f6 24. e5 f5 25. exd6 Kh8 26. Bd1 Bxd1 27. Rxd1 Qf7
28. Qc3 Rd7 29. Rh3 Kh7 30. Rd5 Rfd8 31. Qc2 Re8 32. Rxf5 *
Position (FEN): 4r3/p2r1qpk/1p1P3p/2p2R2/2P2P2/7R/PPQ3PP/7K b - - 0 32
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 705
Best move: Re1#