Anatoly Karpov vs Viktor Korchnoi Dortmund, Cat.16 (1994) Strategy Perspective

Hello this is Sarterus AKA Brian Rowe and I just did a video in honor of Korchnoi for a boardgame site I work with. Very cool game with an unbalanced ending and lots of cool ideas at play. Thanks for checking it out any feedback is welcome.

Full game:

Anatoly Karpov vs Viktor Korchnoi
Dortmund, Cat.16 (1994) · Queen's Indian Defense · 0-1

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. Qa4 c6 8. Bf6 Bf6 9. cd5 ed5 10. g3 O-O 11. Bg2 Nd7 12. O-O Be7 13. Rfd1 f5 14. e3 Bd6 15. Ne2 Qe7 16. Nf4 a5 17. Nd3 b5 18. Qc2 a4 19. Re1 Kh8 20. Rac1 Nb6 21. Nfe5 Nc4 22. f4 g5 23. Qe2 Rg8 24. Kf2 Raf8 25. Nf3 h6 26. Nfe5 Kh7 27. Kg1 Qe8 28. Qc2 Kh8 29. Nf2 Rg7 30. Re2 Bc8 31. Rce1 Rfg8 32. Nc4 bc4 33. Qa4 Rb7 34. Nd1 h5 35. Kf2 Bd7 36. Qc2 Qg6 37. Kf1 h4 38. Rf2 g4 39. Kg1 Rgb8 40. Qe2 h3 41. Bf1 Bc7 42. b4 cb3 43. Nb2 Bd6 44. a4 Qe6 45. Rd1 Ra7 46. Rd3 Kh7 47. Qd1 c5 48. Rb3 Rb3 49. Qb3 c4 50. Qb6 Ra8 51. e4 fe4 52. f5 Qe7 53. Nd1 Rb8 54. Qa5 Bc6 55. f6 Qe6 56. Ne3 Rb3 57. Qa7 Bb7 58. a5 Bf8 59. Rf4 Bh6 60. f7 Bf4 61. f8Q Be3 62. Kh1 Bh6 63. Qf2 Bg7 64. a6 Rf3 65. Qe1 Ba6 66. Be2 Rf7 67. Qc5 c3 68. Qcc3 Be2 69. Qe2 Qf6 70. Qc1 Bh6 71. Qb1 Qf5 72. Kg1 Rc7

Sorry I could not figure out how to insert the game in the post as a board.... I even have a background in coding. This should be easy if I have the pgn...