Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c5 5. e3 a6 6. dxc5 Bxc5 7. cxd5 exd5 8. a3
O-O 9. b4 Bd6 10. Bb2 Nc6 11. Be2 b5 12. O-O Bb7 13. Qc2 Rc8 14. Rac1 Qe7 15.
Qf5 Rfd8 16. Rfd1 Ne5 17. Nxe5 Bxe5 18. Nxd5 Nxd5 19. Qxe5 f6 20. Qxe7 Nxe7 21.
Rxc8 Rxc8 22. Bg4 f5 23. Bf3 Bxf3 24. gxf3 Rc2 25. Rd8+ Kf7 26. Bd4 Ra2 27. Bc5
Ng6 28. Rd7+ Ke6 29. Rd6+ Kf7 30. Kg2 f4 31. Rxa6 Nh4+ 32. Kh3 Nxf3 33. exf4
Ra1 34. Ra7+ Kg6 35. Bf8 Kf5 36. Kg3 Nd4 37. Bxg7 Rg1+ 38. Kh3 Nf3 39. Bh6 Rg6
40. Bg5 h6 41. Bd8 Kxf4 42. Bh4 *
Position (FEN): 8/R7/6rp/1p6/1P3k1B/P4n1K/5P1P/8 b - - 1 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1575
Best move: Ng1#