[Event "Olympiad-19 Final E"]
[Site "Siegen"]
[Date "1970.09.24"]
[Round "10"]
[White "Clua Ballague, Miguel"]
[Black "Evans, CA"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e3 d6 6. Nge2 Nc6 7. O-O e5 8. b3 Bf5 9. d3 Qc8 10. f3 Bh3 11. Bb2 Bxg2 12. Kxg2 Qd7 13. Rb1 Nh5 14. a3 f5 15. f4 Rae8 16. Qd2 Nf6 17. d4 exd4 18. Nxd4 Ng4 19. Nd1 Nxd4 20. exd4 Qe7 21. Kg1 Qe2 22. Qxe2 Rxe2 23. Nf2 Nxf2 24. Rxf2 Rxb2 25. Rfxb2 Bxd4+ 26. Kf1 Bxb2 27. Rxb2 Re8 28. Kf2 Kf7 29. Rd2 Re4 30. Rd5 Ke6 31. a4 c6 32. Rd3 a5 33. h4 d5 34. cxd5+ cxd5 35. Rc3 Kd6 36. Rc8 Re7 37. h5 gxh5 38. Rf8 Ke6 39. Ke3 Rg7 40. Kf2 Rg4 41. Re8+ Kd6 42. Kf3 h4 43. gxh4 Rxh4 44. Rf8 Rh3+ 45. Ke2 0-1