[Event "World-ch28 Karpov-Kortschnoj +6-5=21"]
[Site "Baguio City"]
[Date "1978.09.16"]
[Round "23"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2665"]
[BlackElo "2725"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3 Be7 11. Nd2 e5 12. Bg5 d4 13. Nb3 Qb6 14. Bxf6 Bxf6 15. Nd5 Qd8 16. Bd3 g6 17. exd4 Nxd4 18. Nxd4 exd4 19. Nxf6+ Qxf6 20. O-O Be6 21. Rfe1 Rac8 22. b3 Rfd8 23. Be4 Rc7 24. Qd2 Bg4 25. f3 Be6 26. a4 b6 27. a5 b5 28. cxb5 Bxb3 29. Rb1 Bd5 30. b6 axb6 31. Rxb6 Rc6 32. Rxc6 Bxc6 33. Bd3 Bd7 34. a6 Bf5 35. Qf4 Kg7 36. Bxf5 Qxf5 37. Qxf5 gxf5 38. Ra1 d3 39. Kf2 Re8 40. Ra2 Re7 41. Rd2 Re6 42. a7 1/2-1/2