[Event "Kasparov Favorite Openings: Korchnoj vs Kasparov | Grunfeld defense"] [Site "https://lichess.org/study/rr6JKcJQ/zwPvIcYJ"] [Result "*"] [Variant "Standard"] [ECO "D86"] [Opening "Grünfeld Defense: Exchange Variation, Classical Variation"] [Annotator "https://lichess.org/@/softwarechess"] [StudyName "Kasparov Favorite Openings"] [ChapterName "Korchnoj vs Kasparov | Grunfeld defense"] [UTCDate "2020.05.23"] [UTCTime "12:14:36"] [Source "https://lichess.org/study/rr6JKcJQ/zwPvIcYJ"] [Orientation "white"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. Rb1 (10. O-O) 10... Na5 11. Bd3 cxd4 12. cxd4 b6 13. O-O e6 14. Qa4 Bb7 15. Rfd1 Rc8 16. Bd2 Nc6 17. Bc3 Qh4 18. Be1 Rfd8 19. f3 Qe7 20. Bb5 a6 21. Bxa6 (21. Bxc6 Rxc6 22. Qb3 a5 23. Bf2 Ba6 24. Nc3 Rdc8 25. Na4 Bc4 26. Qb2 b5 $17) 21... Bxa6 22. Qxa6 Nxd4 23. Bf2 Ra8 24. Qd3 (24. Qc4 b5) 24... Ra3 25. Nxd4 Rxd3 26. Rxd3 Qd7 27. Rbd1 Qa4 28. f4 Qxa2 29. h4 Qc4 30. R3d2 b5 31. Nf3 Rxd2 32. Rxd2 Bf6 33. e5 Be7 34. Rd7 Qc1+ 35. Kh2 Qxf4+ 36. Kh3 Bf8 37. Be1 Bb4 38. Bg3 Qf5+ 39. Kh2 Bc3 40. Rb7 b4 41. Rb5 h6 42. Rc5 Qd3 *