[Event "Sarajevo-06"]
[Site "Sarajevo"]
[Date "1963.04.07"]
[Round "11"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ng3 g6 15. Bg5 Kg7 16. b3 Ng8 17. Be3 Bf6 18. d5 Kh8 19. Nd2 Bg7 20. Rc1 Rf8 21. Bb1 c4 22. b4 Nb7 23. Nf3 a5 24. a3 axb4 25. axb4 Ra3 26. Re2 Ne7 27. Rcc2 Rfa8 28. Ra2 Rxa2 29. Rxa2 Rxa2 30. Bxa2 Qb8 31. Bb1 Qa8 1/2-1/2