Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Bf4 Nc6 4. c3 dxc3 5. Nxc3 d6 6. Bc4 a6 7. Nf3 g6 8.
Bxf7+ Kxf7 9. Qb3+ e6 10. O-O-O h6 11. e5 d5 12. Nxd5 exd5 13. Rxd5 Qe8 *
Position (FEN): r1b1qbnr/1p3k2/p1n3pp/3RP3/5B2/1Q3N2/PP3PPP/2K4R w - - 1 14
White to move.
Themes: Double Check Middlegame Mate in 1 
Puzzle rating: 1744
Best move: Rd7#