Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d5 3. Nxe5 Qe7 4. d4 f6 5. Nd3 dxe4 6. Nf4 Bf5 7. Bc4 Nc6 8.
Nc3 O-O-O 9. Be3 Qe8 10. O-O g5 11. Nfd5 h5 12. f3 exf3 13. Rxf3 Bg4 14. Qf1
Bxf3 15. Qxf3 Kb8 16. Nb5 Bd6 17. Re1 g4 18. Qf5 a6 19. Nxd6 Rxd6 20. Bf2 Qd7
21. Qxd7 Rxd7 22. Re8+ Rd8 23. Rxd8+ Nxd8 24. Bg3 Rh7 25. Bxc7+ Kc8 26. Bf4 Rg7
*
Position (FEN): 2kn2n1/1p4r1/p4p2/3N3p/2BP1Bp1/8/PPP3PP/6K1 w - - 3 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1171
Best move: Nb6#