Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Albin_Countergambit
Moves: 1. d4 d5 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qxd5 Be6 6. Qxd8+ Rxd8 7. Bf4 Nb4
8. Rc1 Bxc4 9. a3 Nc6 10. Bxc7 Rd7 11. Bf4 Bc5 12. b4 Bd4 13. Na4 Bb3 14. Nc5
Bc3+ 15. Rxc3 *
Position (FEN): 4k1nr/pp1r1ppp/2n5/2N5/1P3B2/PbR5/4PPPP/4KBNR b Kk - 0 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 465
Best move: Rd1#