[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1964.01.17"]
[Round "8"]
[White "Darga, Klaus"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Nd7 12. Nf1 Nb6 13. Ne3 Bf6 14. h3 g6 15. d4 cxd4 16. cxd4 Nc6 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bb3 Qh4 20. Ng4 Bxg4 21. Qxg4 Qxg4 22. hxg4 Rac8 23. Re2 Nc4 24. g3 Rfe8 25. Kf1 Bg7 26. Rb1 h6 27. g5 hxg5 28. Bxg5 Rc5 29. Bf4 g5 30. Bxc4 gxf4 31. Bd5 fxg3 32. fxg3 Be5 33. Rd1 Kg7 34. Kg2 a5 35. a3 a4 36. Rd3 Rc1 37. Rf3 f6 38. b3 Rec8 39. bxa4 bxa4 40. Be6 Rh8 41. Rd3 Kg6 42. Rf2 Re8 43. Bf5+ Kg5 44. Bd7 Rb8 45. Rf5+ Kh6 46. Rxd6 Rc2+ 0-1