Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 Nxd4 5. Nxd4 exd4 6. Qxd4 c5 7. Qd3 Qc7 8.
O-O Be7 9. Bg5 O-O 10. Nc3 a6 11. Nd5 Nxd5 12. Bxe7 Nxe7 13. Rad1 b5 14. Bd5
Nxd5 15. Qxd5 Bb7 16. Qf5 Rad8 17. Rd3 g6 18. Qg4 h5 19. Qh4 c4 20. Rg3 Kh7 21.
Rd1 Qe5 22. c3 Qxe4 23. Qf6 h4 24. Rg5 Rde8 25. f3 Qe3+ 26. Kh1 Qe1+ 27. Rxe1 *
Position (FEN): 4rr2/1b1p1p1k/p4Qp1/1p4R1/2p4p/2P2P2/PP4PP/4R2K b - - 0 27
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 561
Best move: Rxe1#