[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1970.08.11"]
[Round "15"]
[White "Smyslov, Vassily V"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. cxd5 exd5 8. e3 O-O 9. Rc1 Nbd7 10. Be2 h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. O-O c5 14. dxc5 Nxc3 15. Rxc3 bxc5 16. b4 Rfc8 17. Qd2 Nb6 18. Rxc5 Rxc5 19. bxc5 Qxc5 20. Qb4 Qxb4 21. axb4 a5 22. bxa5 Rxa5 23. Rb1 Ba6 24. Bxa6 Rxa6 25. g3 1/2-1/2