Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. c3 e5 7. dxe5 Nxe5 8.
Nxe5 Qxe5 9. Nd2 Nf6 10. Nf3 Qh5 11. Be2 Bg4 12. O-O O-O-O 13. Nd4 Bxe2 14.
Qxe2 Qe5 15. Nf3 Qe7 16. Rfd1 Rhe8 17. Qc2 Kb8 18. a4 h6 19. b4 a6 20. a5 Rd6
21. Nd4 g6 22. b5 axb5 23. Nxb5 Ra6 24. c4 Qc5 25. Rdc1 Rd8 26. cxd5 Qxc2 27.
Rxc2 Rxd5 28. Nxc7 Raxa5 29. Rxa5 *
Position (FEN): 1k6/1pN2p2/5npp/R2r4/8/4P3/2R2PPP/6K1 b - - 0 29
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 650
Best move: Rd1#