Chess puzzle (Checkmate)
Moves: 1. d4 c5 2. d5 g6 3. c4 Bg7 4. Nc3 Nf6 5. h4 d6 6. e4 h5 7. Be2 e6 8. Nf3 exd5
9. exd5 Bg4 10. Ng5 Bxe2 11. Qxe2+ Qe7 12. Qxe7+ Kxe7 13. Bf4 Re8 14. O-O Ng4
15. Nge4 Be5 16. Bxe5 Nxe5 17. b3 a6 18. f4 Ng4 19. f5 Nd7 20. fxg6 fxg6 21.
Rf4 Nde5 22. Raf1 Rg8 23. Ng5 Raf8 24. Nce4 Rxf4 25. Rxf4 Rg7 26. Ne6 Rf7 27.
Rxf7+ Nxf7 28. Kf1 Nfe5 29. Ke2 Nf6 30. Nxf6 Kxf6 31. Ke3 b5 32. Nc7 bxc4 33.
Nxa6 cxb3 34. axb3 Kf5 35. Nc7 Kg4 36. Ne8 Nf7 37. Ke4 Kxh4 38. Kf4 g5+ 39. Kf5
g4 40. Kg6 Ne5+ 41. Kf5 Nf7 42. Kf6 Ne5 43. Nxd6 Nd7+ 44. Kg6 Nb6 *
Position (FEN): 8/8/1n1N2K1/2pP3p/6pk/1P6/6P1/8 w - - 3 45
White to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 1415
Best move: Nf5#