Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nf6 5. Re1 a6 6. Bxc6 dxc6 7. Nc3 O-O 8.
d3 h6 9. Qe2 Bg4 10. Be3 Bxe3 11. Qxe3 Bxf3 12. Qxf3 Qd4 13. Qe3 Qb4 14. Rab1
b5 15. a3 Qa5 16. Ra1 b4 17. Ne2 bxa3 18. Rxa3 *
Position (FEN): r4rk1/2p2pp1/p1p2n1p/q3p3/4P3/R2PQ3/1PP1NPPP/4R1K1 b - - 0 18
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 897
Best move: Qxe1#