Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. Nbd2 c5 5. e3 cxd4 6. Nxd4 Nc6 7. Bb5 Bd7 8.
N2f3 Nxd4 9. Nxd4 Bxb5 10. Nxb5 Qa5+ 11. Nc3 Be7 12. O-O O-O 13. a4 h6 14. Nb5
Rac8 15. c3 a6 16. b4 Qb6 17. Nd4 Rxc3 18. a5 Qd8 19. b5 Bd6 20. Bxd6 Qxd6 21.
bxa6 bxa6 22. Qd2 Ne4 23. Qe2 Rfc8 24. Rfb1 e5 25. Nf5 Qf6 26. Qg4 Rc2 27. f3
Nf2 28. Rb6 Nxg4 29. Rxf6 Rc1+ 30. Rxc1 *
Position (FEN): 2r3k1/5pp1/p4R1p/P2ppN2/6n1/4PP2/6PP/2R3K1 b - - 0 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 860
Best move: Rxc1#