Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_McConnell_Defense
Moves: 1. e4 e5 2. Nf3 Qf6 3. Nc3 c6 4. d4 exd4 5. Nxd4 Bc5 6. Be3 d6 7. Qd2 Na6 8.
Bxa6 bxa6 9. O-O-O a5 10. Na4 Bxd4 11. Bxd4 Qg6 12. Bc3 Be6 13. Qxd6 Ne7 14.
Bxa5 Qf6 15. Qd8+ Rxd8 *
Position (FEN): 3rk2r/p3nppp/2p1bq2/B7/N3P3/8/PPP2PPP/2KR3R w k - 0 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 816
Best move: Rxd8#