[Event "Mar del Plata International-22"]
[Site "Mar del Plata"]
[Date "1959.03.25"]
[Round "3"]
[White "Bolbochan, Jacobo"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 f6 7. Bf4 Be7 8. h4 O-O 9. g3 Nb6 10. Bd3 f5 11. c3 Qe8 12. Kf1 Nd8 13. Nc1 Bd7 14. Ne2 Rc8 15. Bg5 Na4 16. Qd2 c5 17. Kg2 c4 18. Bb1 b5 19. b4 Nc6 20. Bc2 Nb6 21. h5 a5 22. a3 Ra8 23. h6 g6 24. Bxe7 Qxe7 25. Qg5 Qxg5 26. Nxg5 Nd8 27. Nf4 Re8 28. Kf3 Nf7 29. Nxf7 Kxf7 30. Nh3 Ra7 31. Ng5+ Kg8 32. Rhc1 Rea8 33. Rab1 axb4 34. axb4 Ra2 35. Bd1 R8a3 36. Ke3 Bc8 37. Nf3 Nd7 38. Ng5 Nb8 39. Nf3 Nc6 40. Ng5 Nd8 41. g4 fxg4 42. Bxg4 Bd7 43. Bh3 Ra6 44. Bg4 Nf7 45. Nxf7 Kxf7 46. Kf4 Ke7 47. Kg5 Ra8 48. Rf1 R8a3 49. Rbc1 1/2-1/2