[Event "URS-ch31 Semifinal"]
[Site "Moscow"]
[Date "1963.??.??"]
[Round "?"]
[White "Nei, Iivo"]
[Black "Mikenas, Vladas Ivanovich"]
[Result "1-0"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Ne4 10. Bb2 f5 11. Rc1 Qe8 12. e3 Rd8 13. Qe2 Bd5 14. Ne1 g5 15. f3 Nd6 16. Ne5 Nc8 17. e4 Bxe5 18. exd5 Bxd4+ 19. Bxd4 Nxd4 20. Qe5 Nb5 21. a4 Nbd6 22. Rxc7 Rf6 23. f4 gxf4 24. Qxf4 Rd7 25. Rxd7 Qxd7 26. Nd3 Qc7 27. Rc1 Qb6+ 28. Nc5 a5 29. Kh1 Qb4 30. Qxb4 axb4 31. Nxb7 Nxb7 32. Rxc8+ Kf7 33. Rb8 Nc5 34. Rxb4 Ra6 35. Rb5 Nxa4 36. bxa4 Rxa4 37. Rb1 1-0