Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Moscow_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Nf6 5. Bxc6+ bxc6 6. Re1 e6 7. e5 dxe5 8.
Nxe5 Qb6 9. Qf3 Bb7 10. d3 Be7 11. Bg5 O-O 12. Bxf6 Bxf6 13. Nd7 Qa5 14. Nxf8 *
Position (FEN): r4Nk1/pb3ppp/2p1pb2/q1p5/8/3P1Q2/PPP2PPP/RN2R1K1 b - - 0 14
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 871
Best move: Qxe1#