[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.26"]
[Round "11"]
[White "Ivkov, Borislav"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 c6 7. Qc2 a6 8. a3 Nbd7 9. h3 dxc4 10. Bxc4 b5 11. Ba2 Bb7 12. Rd1 Qb6 13. Bb1 Rfd8 14. e4 Nf8 15. e5 Nd5 16. Nxd5 cxd5 17. Bg5 Rdc8 18. Qd3 Qd8 19. h4 b4 20. Bxe7 Qxe7 21. Ng5 a5 1/2-1/2