[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.12.24"]
[Round "20"]
[White "Karpov, Anatoly"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]
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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. b4 cxd4 17. cxd4 d5 18. dxe5 dxe4 19. Nxe4 Nxe4 20. Bxe4 Bxe4 21. Rxe4 Nxe5 22. Qxd8 Nxf3+ 23. gxf3 Raxd8 24. Be3 Rxe4 25. fxe4 Re8 26. axb5 axb5 27. f3 f5 28. Ra5 1/2-1/2