[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.12.10"]
[Round "11"]
[White "Averbakh, Yuri L"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 Nc6 7. Bd3 Be7 8. O-O O-O 9. a3 Nf6 10. dxc5 Bxc5 11. b4 Bd6 12. Ne4 Nxe4 13. Bxe4 Qe7 14. Bb2 f5 15. Bxc6 bxc6 16. Be5 Bxe5 17. Nxe5 c5 18. Rc1 cxb4 19. Nc6 Qf6 20. axb4 Ba6 21. Re1 Bb5 22. Qd6 Bxc6 23. Rxc6 Rae8 24. g3 Qe7 25. Rd1 Rf7 26. Qc5 Qxc5 27. bxc5 Rb7 28. Ra6 Rc8 29. c6 Rbc7 30. Rd7 Rxd7 31. cxd7 Rd8 32. Rxa7 Kf7 33. Kg2 Ke7 34. Kf3 Rxd7 35. Rxd7+ Kxd7 36. Kf4 Kd6 37. e4 fxe4 38. Kxe4 Kd7 39. Ke5 Ke7 40. h3 Kd7 41. h4 Ke7 42. f3 Kd7 43. Kf4 Ke7 44. Kg5 Kf7 45. g4 Ke7 46. h5 Kf7 47. h6 g6 48. Kf4 Kf6 49. g5+ Kf7 50. Ke5 Ke7 51. f4 Kf7 52. Kd6 Kf8 1/2-1/2