Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. dxe5 Nxe5 6. Bxd7+ Nxd7 7. O-O Ngf6
8. Re1 Be7 9. Bg5 O-O 10. e5 dxe5 11. Nxe5 Nxe5 12. Qxd8 Raxd8 13. Rxe5 Rd1+
14. Re1 *
Position (FEN): 5rk1/ppp1bppp/5n2/6B1/8/8/PPP2PPP/RN1rR1K1 b - - 2 14
Black to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 399
Best move: Rxe1#