Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. a3 c5 5. dxc5 Bxc5 6. Nc3 Be6 7. Bb5+ Nc6 8.
Nf3 Nf6 9. Bg5 O-O 10. Bxf6 Qxf6 11. Nxd5 Bxd5 12. Qxd5 Qxb2 13. O-O Qxb5 14.
Rab1 Rad8 15. Qxf7+ Rxf7 16. Rxb5 Bb6 17. Ng5 Rxf2 18. Rxf2 *
Position (FEN): 3r2k1/pp4pp/1bn5/1R4N1/8/P7/2P2RPP/6K1 b - - 0 18
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 780
Best move: Rd1#