Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. Bd3 Bc5 5. O-O d6 6. h3 O-O 7. b4 Bb6 8. Bb2
Be6 9. a4 a5 10. b5 Nb8 11. Na3 Nbd7 12. Nc4 Bxc4 13. Bxc4 c6 14. Qe2 d5 15.
exd5 cxd5 16. Bb3 Nc5 17. Bc2 e4 18. Nd4 Re8 19. Rae1 Qc7 20. Qe3 g6 21. Qg5
Qe5 22. Qxe5 Rxe5 23. d3 Rae8 24. dxe4 dxe4 25. c4 Nh5 26. f4 exf3 27. Nxf3
Rxe1 28. Nxe1 Rxe1 29. Rxe1 Nd3+ 30. Kf1 *
Position (FEN): 6k1/1p3p1p/1b4p1/pP5n/P1P5/3n3P/1BB3P1/4RK2 b - - 2 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1449
Best move: Ng3#