[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.14"]
[Round "3"]
[White "Mecking, Henrique"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 d5 5. Bg2 c6 6. O-O Bd6 7. b3 Qe7 8. Bb2 O-O 9. Nbd2 Bd7 10. Ne5 Be8 11. Qc2 Nbd7 12. e3 Ne4 13. Nxd7 Qxd7 14. Nxe4 fxe4 15. f3 exf3 16. Bxf3 Bg6 17. Qe2 Rf7 18. Bg2 Raf8 19. Rxf7 Qxf7 20. Rf1 Qe8 21. Rxf8+ Qxf8 22. e4 dxe4 23. Bxe4 Qf6 24. Kg2 Kf7 25. Bc3 Bxe4+ 26. Qxe4 Qf5 27. Qe2 Be7 28. Be1 Bf6 29. Bf2 a6 30. h3 h6 31. Bg1 Ke7 32. Bf2 Kd7 33. Bg1 Qb1 34. Bf2 Qf5 35. Bg1 Qa5 36. Bf2 Qc3 37. Qh5 Ke7 38. Qc5+ Kd7 39. Qf8 Bxd4 40. Qf7+ Kd6 41. Qf8+ 1/2-1/2