Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nxd4 6. Qxd4 b6 7. Be3 Bc5 8.
Qd3 Bb4 9. a3 Be7 10. Bd4 Bb7 11. Bxg7 Bf6 12. Bxh8 Bxh8 13. f4 Qh4+ 14. g3 Qg4
15. Be2 Qg7 16. O-O-O Ne7 17. Qxd7+ Kf8 18. Qd8+ Rxd8 *
Position (FEN): 3r1k1b/pb2npqp/1p2p3/8/4PP2/P1N3P1/1PP1B2P/2KR3R w - - 0 19
White to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 400
Best move: Rxd8#