Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Qe2 O-O 6. Bxc6 dxc6 7. Nxe5 Re8 8.
Nf3 Bf5 9. O-O Nxe4 10. dxe4 Bxe4 11. Re1 Qf6 12. Be3 Bxf3 13. Qxf3 Qxb2 14.
Nd2 Qxc2 15. Rac1 Qxa2 16. Rxc5 Rxe3 17. Qxe3 b5 18. Qe8+ Rxe8 *
Position (FEN): 4r1k1/p1p2ppp/2p5/1pR5/8/8/q2N1PPP/4R1K1 w - - 0 19
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 469
Best move: Rxe8#