[Event "Tallinn"]
[Site "Tallinn"]
[Date "1971.02.25"]
[Round "4"]
[White "Nei, Iivo"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Rc1 dxc4 7. e4 c5 8. dxc5 Qxd1+ 9. Rxd1 Na6 10. c6 bxc6 11. Bxc4 Nc5 12. Nd4 Bb7 13. f3 Nfxe4 14. fxe4 e5 15. Be3 exd4 16. Bxd4 Nxe4 17. Bxg7 Kxg7 18. O-O Nxc3 19. Rd7 Ne2+ 20. Bxe2 Bc8 21. Rc7 Be6 22. Bf3 Rfc8 23. Rxc6 Bxa2 24. Ra1 Rxc6 25. Bxc6 Rc8 26. Be4 1/2-1/2