[Event "Las Palmas-02"]
[Site "Las Palmas"]
[Date "1973.04.02"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Darga, Klaus"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. f4 Nbd7 9. Nf3 e5 10. a4 g6 11. Nc3 Bg7 12. Qf2 b6 13. Qh4 h6 14. fxe5 dxe5 15. Nd2 g5 16. Qf2 Nc5 17. Nc4 Be6 18. Be3 Ng4 19. Qf3 Nxd3 20. cxd3 Bxc4 21. dxc4 Nxe3 22. Qxe3 O-O 23. Qe2 Rac8 24. b3 f5 25. Nd5 Qc5+ 26. Qf2 fxe4 27. Qxc5 Rxc5 28. Nxb6 e3 29. Rxf8+ Bxf8 30. Nd7 Rc6 31. Nxf8 Kxf8 32. Re1 Ke7 33. Rxe3 Ke6 34. Kf2 g4 35. Rc3 a5 36. Ke3 Rc8 37. Rd3 Rb8 38. Ke4 Rb7 39. g3 Rb8 40. Rd5 Rxb3 41. Rxe5+ Kf6 42. Rxa5 Rb2 43. Kf4 Rxh2 44. Kxg4 Kg6 45. Ra6+ Kf7 46. a5 Ke7 47. Ra7+ Kf6 48. a6 Ra2 49. Ra8 1-0