Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. O-O Nf6 5. d3 Be7 6. c3 Nc6 7. Re1 e5 8. d4
cxd4 9. cxd4 exd4 10. Nxd4 O-O 11. Nf5 Bxf5 12. exf5 Re8 13. Nc3 a6 14. Nd5
Nxd5 15. Bxd5 Bf6 16. Qh5 *
Position (FEN): r2qr1k1/1p3ppp/p1np1b2/3B1P1Q/8/8/PP3PPP/R1B1R1K1 b - - 2 16
Black to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 660
Best move: Rxe1#