Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. Nf3 dxe4 3. Ng5 f5 4. Qh5+ g6 5. Qe2 Nc6 6. Qc4 Ne5 7. Qb3 Nf6 8.
Bc4 Nxc4 9. Qxc4 Qd5 10. Qxc7 h6 11. Nh3 g5 12. O-O e5 13. Nc3 Qc6 14. Qxe5+
Qe6 15. Qb5+ Qc6 16. d3 a6 17. Qxc6+ bxc6 18. dxe4 Nxe4 19. Nxe4 fxe4 20. Kh1
Bc5 21. Ng1 g4 22. g3 h5 23. Be3 Bd6 24. Ne2 c5 25. c4 h4 26. Bf4 Be7 27. b3
Bb7 28. Kg1 hxg3 29. Bxg3 O-O-O 30. Rad1 Rdg8 31. Nc3 Bh4 32. Rde1 Re8 33. Na4
Bxg3 34. fxg3 Re5 35. Rf4 Rg8 36. Nc3 e3 37. Nd1 e2 38. Nf2 Bf3 39. Nd3 Rh5 40.
Nf2 Kb7 41. Ne4 Rgh8 42. Kf2 Rxh2+ 43. Ke3 Rh1 44. Rxe2 Bxe2 45. Kxe2 R8h2+ 46.
Kd3 Rxa2 47. Nxc5+ Kb6 48. Na4+ Ka5 49. Rxg4 Rb1 50. Kc3 Ra3 *
Position (FEN): 8/8/p7/k7/N1P3R1/rPK3P1/8/1r6 w - - 3 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 617
Best move: Rg5#