Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Spanish_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. Bxc6 dxc6 6. Nxe5 Bxc3 7. bxc3
Nxe4 8. Qe2 Qe7 9. Qxe4 f6 10. Ba3 Qxe5 11. Qxe5+ fxe5 12. O-O e4 13. d3 exd3
14. cxd3 Be6 15. Rfe1 Kd7 16. Re4 Rae8 17. Rae1 Bd5 18. Rd4 *
Position (FEN): 4r2r/pppk2pp/2p5/3b4/3R4/B1PP4/P4PPP/4R1K1 b - - 8 18
Black to move.
Themes: Hanging Piece, Kingside Attack Endgame Mate in 1 
Puzzle rating: 640
Best move: Rxe1#