Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. h3 Nxe4 6. d4 Bd7 7. dxe5 Nxe5 8.
Bxd7+ Qxd7 9. Nxe5 dxe5 10. Qxd7+ Kxd7 11. Re1 Nf6 12. Rxe5 Bd6 13. Re1 Rae8
14. Rxe8 Rxe8 15. Nc3 *
Position (FEN): 4r3/pppk1ppp/3b1n2/8/8/2N4P/PPP2PP1/R1B3K1 b - - 1 15
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 641
Best move: Re1#