Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Be7 5. c4 O-O 6. Be2 dxc4 7. Bxc4 Nc6 8.
O-O b6 9. Nc3 Bb7 10. a3 Qd7 11. Nb5 Bd6 12. Bxd6 cxd6 13. Re1 a6 14. Nc3 Rac8
15. Na4 Qc7 16. Nc3 Nxd4 17. Qxd4 Qxc4 18. Qxd6 Qg4 19. h3 Qg6 20. e4 Bxe4 21.
Nxe4 Nxe4 22. Qxb6 Nc5 23. Rac1 Nd3 24. Rxc8 Rxc8 25. Rd1 Ra8 26. Qd4 Nxb2 27.
Qd8+ Rxd8 *
Position (FEN): 3r2k1/5ppp/p3p1q1/8/8/P4N1P/1n3PP1/3R2K1 w - - 0 28
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 600
Best move: Rxd8#