Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. b3 c6 3. Bb2 Nf6 4. g3 Bf5 5. Bg2 h6 6. d3 e6 7. Nbd2 Be7 8. O-O
O-O 9. c4 Nbd7 10. Re1 Bc5 11. e4 dxe4 12. dxe4 Bg6 13. h3 Qb6 14. Re2 Rad8 15.
Qe1 a5 16. Rd1 Bb4 17. a3 Bc5 18. Rb1 Rfe8 19. a4 Bb4 20. Bd4 Nc5 21. Bxf6 gxf6
22. Qc1 Rd3 23. Ne1 Rxg3 24. Kh1 Rc3 25. Qb2 Rd8 26. f4 Rxd2 27. Rxd2 Nxe4 28.
Rc2 Ng3+ 29. Kh2 Bxc2 30. Nxc2 Qf2 31. Nxb4 Nf1+ 32. Kh1 Rxh3+ 33. Bxh3 *
Position (FEN): 6k1/1p3p2/2p1pp1p/p7/PNP2P2/1P5B/1Q3q2/1R3n1K b - - 0 33
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1778
Best move: Ng3#