One is Permitted to Lose to Karpov with Black! - A Near-Perfect Zugzwang

Check out the game I mention in the video: Ossip Bernstein vs Akiba Rubinstein Anatoly Karpov...Anatoly Karpov vs Wolfgang Unzicker “Squeeze Play“ (game of the day May-23-2012) Olympiad Final-A (1974), Nice FRA, rd 4, Jun-18 Spanish Game: Closed Variations. Chigorin Defense (C98) 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. ab5 ab5 16. b4 Nb7 17. Nf1 Bd7 18. Be3 Ra8 19. Qd2 Rfc8 20. Bd3 g6 21. Ng3 Bf8 22. Ra2 c4 23. Bb1 Qd8 24. Ba7 Ne8 25. Bc2 Nc7 26. Rea1 Qe7 27. Bb1 Be8 28. Ne2 Nd8 29. Nh2 Bg7 30. f4 f6 31. f5 g5 32. Bc2 Bf7 33. Ng3 Nb7 34. Bd1 h6 35. Bh5 Qe8 36. Qd1 Nd8 37. Ra3 Kf8 38. R1a2 Kg8 39. Ng4 Kf8 40. Ne3 Kg8 41. Bf7 Nf7 42. Qh5 Nd8 43. Qg6 Kf8 44. Nh5 Karpov puts on an absolute clinic in this game, demonstrating the power of prophylaxis and deep positional maneuvering in the Ruy Lopez (also know