Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bd6 5. c3 Qe7 6. Re1 O-O 7. d4 exd4 8.
cxd4 Bb4 9. Nc3 Qd8 10. e5 Nd5 11. Nxd5 Bxe1 12. Qxe1 Nxd4 13. Nxd4 c6 14. Bc4
cxd5 15. Bxd5 Qa5 16. Bb3 *
Position (FEN): r1b2rk1/pp1p1ppp/8/q3P3/3N4/1B6/PP3PPP/R1B1Q1K1 b - - 2 16
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 612
Best move: Qxe1#