Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Marshall_Attack
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. c3 O-O 8. Re1
d5 9. exd5 e4 10. dxc6 exf3 11. Qxf3 Bg4 12. Qg3 Re8 13. h3 Bd6 14. Rxe8+ Qxe8
15. Qe3 Qxc6 16. hxg4 Re8 17. Qf3 *
Position (FEN): 4r1k1/2p2ppp/p1qb1n2/1p6/6P1/1BP2Q2/PP1P1PP1/RNB3K1 b - - 2 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 895
Best move: Re1#