Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Bc4 d5 3. exd5 exd5 4. Bb3 c6 5. c4 dxc4 6. Bxc4 Nf6 7. Qf3 Bd6 8.
Ne2 O-O 9. b3 Nbd7 10. Bb2 Be5 11. d4 Bc7 12. Nd2 Nb6 13. Bd3 Bg4 14. Qg3 Re8
15. f4 Rxe2+ 16. Bxe2 Bxe2 17. Kxe2 Qe7+ 18. Qe3 Qxe3+ 19. Kxe3 Nbd5+ 20. Kf3
Bxf4 21. Ne4 Nxe4 22. Kxe4 Re8+ 23. Kd3 Re3+ 24. Kc4 Bd6 25. Rae1 *
Position (FEN): 6k1/pp3ppp/2pb4/3n4/2KP4/1P2r3/PB4PP/4R2R b - - 6 25
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1124
Best move: Nb6#