[Event "URS-ch31 Semifinal"]
[Site "Moscow"]
[Date "1963.??.??"]
[Round "?"]
[White "Zakharov, Alexander S"]
[Black "Nei, Iivo"]
[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 Be6 10. d4 Bxb3 11. axb3 exd4 12. cxd4 Nb4 13. d5 c5 14. dxc6 d5 15. e5 Ne4 16. Nc3 Nxc3 17. bxc3 Nxc6 18. Qd3 Qd7 19. Bg5 Rfd8 20. Rad1 Qe6 21. Bxe7 Qxe7 22. b4 h6 23. Qe3 Qe6 24. Nd4 Nxd4 25. Rxd4 Rac8 1/2-1/2