Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Bb5 Bb4+ 6. c3 Ba5 7. O-O Nf6 8.
Re1 O-O 9. e5 Nd5 10. c4 Nb6 11. a3 Nxd4 12. Qxd4 a6 13. b4 axb5 14. bxa5 Nxc4
15. Nd2 Qxa5 16. Nxc4 *
Position (FEN): r1b2rk1/1p1p1ppp/4p3/qp2P3/2NQ4/P7/5PPP/R1B1R1K1 b - - 0 16
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 663
Best move: Qxe1#