[Event "Rubinstein Memorial-07"]
[Site "Polanica Zdroj"]
[Date "1969.08.18"]
[Round "12"]
[White "Popov, Luben"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfc1 Rac8 13. Qb5 Qb4 14. Qxb4 Nxb4 15. Ne5 Rfd8 16. a3 Nc6 17. Nxc6 Rxc6 1/2-1/2