Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 c6 7. Qc2 g6 8. e3
Bf5 9. Qb3 Qb6 10. Be2 Nbd7 11. O-O Qxb3 12. axb3 O-O 13. Rfc1 Rfe8 14. Na4 Kg7
15. Kf1 h6 16. Bf4 Nh5 17. Bg3 Nxg3+ 18. hxg3 h5 19. Nc5 Reb8 20. b4 a6 21. Ne1
Bd8 22. Bd3 Nxc5 23. bxc5 Bd7 24. Ra3 a5 25. Rca1 b5 26. cxb6 Rxb6 27. b3 Rb7
28. Bc2 Rab8 29. Ke2 Bg4+ 30. Kd2 Be7 31. Nd3 Bxa3 32. Rxa3 Bf5 33. Nc5 Rb5 34.
f3 Bxc2 35. Kxc2 g5 36. Kc3 Kg6 37. e4 h4 38. gxh4 gxh4 39. Ra2 Kg5 40. Re2 Kf4
41. exd5 cxd5 42. Re7 f5 43. Rg7 Re8 44. Kd2 Rb4 *
Position (FEN): 4r3/6R1/8/p1Np1p2/1r1P1k1p/1P3P2/3K2P1/8 w - - 4 45
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1581
Best move: Nd3#