Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 cxd4 6. Nxd4 Nxd5 7. g3 Nxc3 8.
bxc3 Qd5 9. Nf3 Qxd1+ 10. Kxd1 Nc6 11. Bg2 Bc5 12. Ke1 e5 13. Nd2 Be6 14. Rb1
O-O-O 15. a4 f5 16. Nb3 Bb6 17. Ba3 Bd5 18. Bxd5 Rxd5 19. c4 Rd7 20. Kf1 Nd4
21. Nc5 Rc7 22. Nd3 e4 23. Nf4 Rxc4 24. Kg2 Rxa4 25. Bd6 Rd8 26. Be5 g5 27. Nh5
Nxe2 28. Nf6 Nd4 29. Nxh7 Nc6 30. Bc3 Rd3 31. Be1 g4 32. h3 gxh3+ 33. Rxh3 Ra2
34. Kf1 Rf3 35. Ng5 Rd3 36. Rh8+ Rd8 37. Rxd8+ Bxd8 38. Ne6 Ba5 39. Bxa5 Nxa5
40. Rd1 Nc4 *
Position (FEN): 2k5/pp6/4N3/5p2/2n1p3/6P1/r4P2/3R1K2 w - - 2 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 822
Best move: Rd8#