Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Lolli_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bf4 Be7 8.
O-O-O O-O 9. f3 c5 10. Qd2 a6 11. Bxd6 Bxd6 12. Qxd6 Qxd6 13. Rxd6 b5 14. e5
Nd7 15. f4 b4 16. Ne4 Rd8 17. Nxc5 Nxc5 *
Position (FEN): r1br2k1/5ppp/p2R4/2n1P3/1p3P2/8/PPP3PP/2K2B1R w - - 0 18
White to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 611
Best move: Rxd8#