Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa4 d6 5. Bd3 Bd7 6. Qb5 Rb8 7. Qg5 Nf6 8.
a3 h6 9. Qh4 Be7 10. Qg3 Nh5 11. Qf3 Nf6 12. Nc3 Ne5 13. Qg3 Nh5 14. Qe3 Nxd3+
15. cxd3 O-O 16. h3 Bg5 17. Qe2 Bxc1 18. Rxc1 Qg5 19. Rd1 Qxg2 20. Qf3 Qxf3 21.
Nxf3 Nf4 22. Ng1 f5 23. f3 fxe4 24. dxe4 Ng2+ 25. Kf2 Nh4 26. Nce2 Bc6 27. Kg3
Ng6 28. Nc3 Ne5 29. f4 Nc4 30. Rh2 Rbe8 31. Re1 Rf6 32. Ree2 Ref8 33. Rhf2 Rg6+
34. Kh2 Rgf6 35. a4 Rxf4 36. Rxf4 Rxf4 37. Kg3 g5 38. Nf3 Ne5 39. Nd4 Bd7 40.
Nd5 Rf1 41. Nxc7 h5 42. Nd5 Bxa4 43. Nf5 h4+ 44. Kg2 Rd1 45. Nc3 Rd3 46. Nxa4
b5 47. Nc3 a6 48. Ne7+ Kf7 49. Nf5 Ng6 50. Rf2 Nf4+ 51. Kf1 b4 52. Ne2 *
Position (FEN): 8/5k2/p2p4/5Np1/1p2Pn1p/3r3P/1P2NR2/5K2 b - - 1 52
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 591
Best move: Rd1#