Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nf3 g6 7. Nc3 Bg7 8. Nd2
O-O 9. e4 Bxf1 10. Nxf1 d6 11. Ne3 Nbd7 12. Nc4 Qb8 13. O-O Qb4 14. Qd3 Ng4 15.
Bd2 Nge5 16. Nxe5 Nxe5 17. Qc2 c4 18. a3 Qb3 19. Qxb3 cxb3 20. Ne2 Nd3 21. Rab1
Bxb2 22. Bc3 Bxc3 23. Nxc3 Rxa3 24. Nb5 Ra4 25. Rxb3 Nc5 26. Re3 Rxe4 27. Rxe4
Nxe4 28. Re1 f5 29. f3 Nf6 30. Rxe7 Nxd5 31. Rd7 Ra8 32. Rxd6 Ra1+ 33. Kf2 Ra2+
34. Kg3 Ne3 35. Nd4 Rxg2+ 36. Kh3 Rd2 37. Nxf5 Rxd6 38. Nxd6 Kg7 39. Kg3 h5 40.
Ne4 Kh6 41. h4 Kg7 42. Kf4 Nf5 43. Kg5 Nd4 44. Nd2 *
Position (FEN): 8/6k1/6p1/6Kp/3n3P/5P2/3N4/8 b - - 6 44
Black to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 1545
Best move: Ne6#