[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.11.30"]
[Round "4"]
[White "Mikenas, Vladas Ivanovich"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 d6 11. Be2 Bd7 12. O-O Qa5 13. Rac1 Nc5 14. f3 Na4 15. Nxa4 Qxd2 16. Bxd2 Bd4+ 17. Kh1 Bxa4 18. b3 Bc6 19. Rfd1 Bg7 20. Be3 O-O 21. a4 f5 22. exf5 Rxf5 23. Bd3 Re5 24. Bf4 Rh5 25. Re1 Rf8 26. Bg3 Bd4 27. Be4 Bxe4 28. Rxe4 Bf6 29. Bf2 a6 30. Rd1 Re5 31. Rxe5 Bxe5 32. Rd3 h5 33. g3 g5 34. Kg2 Kf7 35. Be3 Kg6 36. Rd5 h4 37. Rd3 hxg3 38. hxg3 Rh8 39. Bd4 Bxd4 40. Rxd4 Rf8 41. Rd5 b6 42. Kf2 1/2-1/2