Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nf3 Bb5 8. a4
Ba6 9. b4 cxb4 10. cxb4 Bxb4+ 11. Bd2 Qa5 12. Qb3 Bxd2+ 13. Nbxd2 Ne7 14. Rb1
O-O 15. Qb4 Qc7 16. g3 Rac8 17. Qa3 Qc2 18. Qxe7 Qc1+ 19. Rxc1 *
Position (FEN): 2r2rk1/pp2Qppp/b3p3/3pP3/P2P4/5NP1/3N1P1P/2R1K2R b K - 0 19
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 621
Best move: Rxc1#