Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. Nc3 Nf6 5. d4 exd4 6. Nxd4 O-O 7. O-O a6 8. a3
b5 9. Ba2 Bb7 10. Re1 Nbd7 11. Nf5 Re8 12. Qf3 Ne5 13. Qg3 Ng6 14. Nd5 Nxd5 15.
Bxd5 Bxd5 16. exd5 Bf6 17. c3 *
Position (FEN): r2qr1k1/2p2ppp/p2p1bn1/1p1P1N2/8/P1P3Q1/1P3PPP/R1B1R1K1 b - - 0 17
Black to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 840
Best move: Rxe1#