[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.21"]
[Round "2"]
[White "Donner, Jan Hein"]
[Black "Maccioni Seisdedos, Alejandro"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 O-O 8. b4 Qe7 9. Bb2 Re8 10. e3 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Bd3 c5 14. b5 b6 15. O-O Bb7 16. Rae1 Ne4 17. Qc2 Nf6 18. f4 e4 19. Be2 a6 20. bxa6 Bxa6 21. Qc3 Red8 22. g4 Ne8 23. g5 f5 24. h4 Qf7 25. h5 Nd6 26. Rf2 Rd7 27. Rc1 Rad8 28. Rh2 Bxc4 29. g6 hxg6 30. hxg6 Qe6 31. Bxc4 Nxc4 32. Qxc4 Qxc4 33. Rxc4 Rd1+ 34. Kg2 R8d2+ 35. Kg3 Rxh2 36. Kxh2 Rd2+ 37. Kg3 Rxb2 38. Ra4 Kf8 39. Ra7 Re2 40. a4 Rxe3+ 41. Kh4 Rd3 42. Rf7+ Kg8 43. Rb7 Kf8 44. Rf7+ Kg8 45. Rb7 Rd8 46. Rxb6 Kf8 47. Rc6 e3 48. Rxc5 Re8 49. Rc1 Re4 50. Kg5 Rxa4 51. Re1 Ra3 52. Kxf5 Ke7 1/2-1/2