Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 e6 6. Nc3 Nf6 7. f3 b6 8.
Be3 Bc5 9. Qd2 Qe7 10. O-O-O Bb7 11. h4 Rc8 12. h5 Bb4 13. h6 g6 14. Bg5 Bxc3
15. bxc3 Qa3+ 16. Kb1 Nh5 17. Qxd7+ Kf8 18. Qd8+ Rxd8 *
Position (FEN): 3r1k1r/pb3p1p/1p2p1pP/6Bn/4P3/q1P2P2/P1P3P1/1K1R1B1R w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 604
Best move: Rxd8#