Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. Nf3 Nf6 3. Nc3 d5 4. e5 Ne4 5. d4 Bg4 6. Be3 Qd7 7. h3 Bh5 8. Be2
f6 9. exf6 gxf6 10. O-O O-O-O 11. Nd2 Bxe2 12. Nxe2 Rg8 13. Kh1 h5 14. Nxe4
dxe4 15. c3 h4 16. Nf4 Bh6 17. Qh5 Bg5 18. a4 e5 19. Ne2 Bxe3 20. fxe3 Qg7 21.
Rf2 Rh8 22. Qf5+ Kb8 23. Qxf6 Qxf6 24. Rxf6 exd4 25. exd4 Rde8 26. Raf1 a6 27.
R1f4 Na5 28. Rg6 Nc4 29. b3 Ne3 30. Kg1 Rhg8 31. Rff6 b6 32. Kf2 Nd1+ 33. Ke1
Nb2 34. Re6 Rxe6 35. Rxg8+ Kb7 36. Rh8 e3 37. Rxh4 Nd3+ 38. Kd1 Rf6 39. Ng3 Rf2
40. Re4 *
Position (FEN): 8/1kp5/pp6/8/P2PR3/1PPnp1NP/5rP1/3K4 b - - 6 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1624
Best move: Rd2#