[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.29"]
[Round "15"]
[White "Ivkov, Borislav"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 cxd4 8. exd4 Be7 9. O-O O-O 10. d5 exd5 11. Nxd5 Nxd5 12. Qxd5 Qxd5 13. Bxd5 Bf6 1/2-1/2