[Event "Rubinstein Memorial-13"]
[Site "Polanica Zdroj"]
[Date "1975.08.11"]
[Round "5"]
[White "Popov, Luben"]
[Black "Rogoff, Kenneth"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Qc7 6. Qd3 a6 7. Bg2 Be7 8. O-O O-O 9. Nc3 Nc6 10. Nxc6 dxc6 11. b3 e5 12. Bb2 Be6 13. Rad1 Rad8 14. Qc2 Rxd1 15. Rxd1 Rd8 1/2-1/2