[Event "Rubinstein Memorial-07"]
[Site "Polanica Zdroj"]
[Date "1969.08.17"]
[Round "11"]
[White "Ivkov, Borislav"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. dxc5 Bxc5 9. Nb3 Bb6 10. Be3 Bxe3 11. Bxc6+ bxc6 12. fxe3 O-O 13. Qd4 Qb6 14. Qc3 Rb8 15. Rab1 Ba6 1/2-1/2