[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.24"]
[Round "10"]
[White "Cortlever, Nicolaas"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]
1. e4 c5 2. Ne2 g6 3. d4 Bg7 4. Nbc3 Na6 5. g3 d6 6. Bg2 cxd4 7. Nxd4 Nf6 8. O-O O-O 9. Nb3 Bg4 10. f3 Bd7 11. Qe2 Nc7 12. a4 a6 13. a5 Bc6 14. Rd1 Nd7 15. Be3 Rb8 16. Nd4 Nb5 17. Ncxb5 axb5 18. c3 Ra8 19. b4 Bxd4 20. cxd4 Nb8 21. d5 Bd7 22. Qb2 f6 23. f4 Na6 24. e5 Bf5 25. Bb6 Qe8 26. Rac1 Rc8 27. Bf1 Rxc1 28. Rxc1 dxe5 29. fxe5 Qd7 30. Bg2 fxe5 31. Qxe5 Qd6 32. Re1 Kf7 33. Qe3 Rc8 34. Qh6 Nxb4 35. Qxh7+ Ke8 36. Bh3 Nxd5 37. Bxf5 gxf5 38. Qh5+ Kd7 39. Qxf5+ e6 40. Qf7+ Qe7 1/2-1/2