Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 b6 5. Bc4 Bb7 6. Nf3 Nc6 7. O-O h6 8.
Bf4 a6 9. Nd5 d6 10. Rc1 g5 11. Bg3 Bg7 12. Qe2 b5 13. Bb3 Nf6 14. Rfd1 O-O 15.
e5 Nxd5 16. Bxd5 Na5 17. exd6 exd6 18. Bxd6 Re8 19. Qd2 Bxd5 20. Qxd5 Qf6 21.
Be5 Qe6 22. Qxe6 Rxe6 23. Bxg7 Kxg7 24. h3 Nc4 25. b3 Na3 26. Nd4 Rf6 27. Rc7
Kg6 28. Nf3 Re8 29. Rdd7 Re2 30. Rd2 Rxd2 31. Nxd2 Re6 32. Nf3 Re2 33. Rc6+ Re6
34. Rxe6+ fxe6 35. Nd4 Kf6 36. Kf1 Ke5 37. Nc6+ Ke4 38. Ke2 Nb1 39. f3+ Kf4 40.
Kf2 Nc3 41. a3 Nb1 42. g4 Nxa3 43. Nb4 a5 *
Position (FEN): 8/8/4p2p/pp4p1/1N3kP1/nP3P1P/5K2/8 w - - 0 44
White to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 972
Best move: Nd3#