text: 
  1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Nf3 Bg4 $6 5. h3 Bxf3 6. exf3 e6 7. Bd3 Bb4 $6 8.
  O-O $6 Bxc3 9. bxc3 O-O 10. Bf4 Nbd7 $6 11. cxd5 $6 cxd5 $6 12. Re1 $2 Rc8 $6 13. Qd2 $6
  Qa5 14. Rac1 $6 h6 $6 15. Bd6 $2 Rfe8 16. Re3 $6 Rc6 17. Bb4 Qc7 $2 18. Bb5 $1 Rb6 $2 19.
  Ba5 $1 a6 20. Bxb6 Qxb6 21. Ba4 $2 Rc8 $6 22. Qd3 $6 Rc4 $2 23. Bb3 Rc6 24. c4 Qb4 25.
  Qc3 Qxc3 $6 26. Rexc3 Rb6 27. c5 $6 Rb4 28. a3 $6 Rxd4 29. c6 bxc6 30. Rxc6 a5 31.
  R1c3 $6 a4 32. Bc2 Nf8 33. Ra6 Nh5 $6 34. Rxa4 $6 Rd2 35. Rb4 Ng6 $6 36. Bxg6 fxg6
  37. a4 Rd1+ 38. Kh2 e5 39. Rc8+ $6 Kf7 $6 40. Rb7+ Kf6 41. Rc6+ Kf5 42. g4+ Kf4
  43. gxh5 Kxf3 44. Rf7+ Ke2 45. a5 d4 46. a6 d3 47. a7 Ra1 48. Rc8 d2 49. Rd7 $2
  d1=Q $9 50. Rxd1 Kxd1 $6 51. a8=Q Rxa8 52. Rxa8 e4 53. hxg6 Ke1 54. Kg2 Ke2 55.
  Rg8 Kd3 56. Rxg7 Kd4 57. Re7 Kd5 58. g7 Kd6 59. Re8 Kd7 60. g8=Q {<br /><br
  />Game may have continued...} (60. g8=Q Kc6 61. Qe6+ Kb5 62. Rc8 Ka5 63. Qb3 e3
  64. Ra8# {+M4}) 1-0
  
  Please analyze the following chess game and provide a summary of key moments, mistakes, and missed opportunities for Black. Also, provide suggestions for improvement and strategic insights to help me enhance my understanding of the game. According to the engine:
  
  Blunders for white
  Move 48 (best move hxg6), Move 49 (best move Rd8), Move 53 (best move hxg6)
  
  Blunders for black
  Move 56 (best move e3)
  
  Provide separate sections/tables for key moments, mistakes and missed opportunities.(Note: When you analyse a move, and give an alternate, please give simple explanations as to why the move was better)