Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Scotch_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 a6 5. a3 b5 6. Bd5 Nf6 7. Bg5 Be7 8. Bb3
Nxe4 9. Bxe7 Qxe7 10. O-O d6 11. Nxd4 Nxd4 12. Qxd4 O-O 13. Re1 Bf5 14. Bd5 Qg5
15. Bxe4 Bxe4 16. Qxe4 Rfe8 17. Qxe8+ Rxe8 *
Position (FEN): 4r1k1/2p2ppp/p2p4/1p4q1/8/P7/1PP2PPP/RN2R1K1 w - - 0 18
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 605
Best move: Rxe8#