Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 Qa5+ 5. c3 cxd4 6. Nf3 Nc6 7. Bd3 dxc3 8.
Nxc3 d4 9. Nxd4 Nxe5 10. Bb5+ Qxb5 11. Ndxb5 Nxg4 12. Nc7+ Kd8 13. Nxa8 b6 14.
h3 Ne5 15. Be3 Bb7 16. Nxb6 axb6 17. Bxb6+ Kc8 18. O-O-O Nf6 *
Position (FEN): 2k2b1r/1b3ppp/1B2pn2/4n3/8/2N4P/PP3PP1/2KR3R w - - 3 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 485
Best move: Rd8#