[Event "Bled 30th Anniversary"]
[Site "Bled"]
[Date "1961.09.19"]
[Round "11"]
[White "Ivkov, Borislav"]
[Black "Donner, Jan Hein"]
[Result "0-1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. c5 O-O 8. Bd3 b6 9. b4 bxc5 10. bxc5 Ba6 11. Bxa6 Nxa6 12. Qa4 Nb8 13. Bf4 Ne4 14. Rc1 g5 15. Bxb8 Qxb8 16. O-O Bf6 17. Rfe1 Qf4 18. Ne2 Qc7 19. Ng3 Nxg3 20. hxg3 Rfb8 21. Ne5 Rb2 22. g4 Rab8 23. g3 Bxe5 24. Rxe5 h6 25. Re3 R8b4 26. Qa3 a5 27. Rd3 Re2 28. Rb3 Rxd4 29. c6 Rc4 30. Rcb1 Qe5 31. Qe7 Rcc2 32. Rb8+ Kg7 33. Qf8+ Kg6 34. Qg8+ Qg7 35. Qxg7+ Kxg7 36. Rc8 Rxf2 37. Rc1 Rg2+ 38. Kf1 Rcf2+ 39. Ke1 Rxa2 0-1