Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 dxc4 5. e4 Be7 6. f3 Nxe4 7. Bxe7 Nxc3 8.
Bxd8 Nxd1 9. Rxd1 Kxd8 10. Bxc4 Bd7 11. Ne2 Nc6 12. d5 exd5 13. Bxd5 Ke7 14.
O-O Rhe8 15. Nc3 Be6 16. Rfe1 Kf8 17. Nb5 Bxd5 18. Rxe8+ Rxe8 19. Nxc7 Rd8 20.
Rxd5 Rc8 21. Nb5 Nb4 22. Rd7 Rc1+ 23. Kf2 Rc2+ 24. Kg3 Rxb2 25. Rxb7 Rxa2 26.
Nxa7 Nd5 27. Nc6 Ne3 *
Position (FEN): 5k2/1R3ppp/2N5/8/8/4nPK1/r5PP/8 w - - 3 28
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1003
Best move: Rb8#