[Event "Mar del Plata International-22"]
[Site "Mar del Plata"]
[Date "1959.04.05"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nf3 d6 7. O-O Bxd2 8. Qxd2 a5 9. b3
Qe8 10. Ba3 Qh5 11. Ng5 h6 12. Nh3 Qe8 13. Nf4 Qf7 14. f3 Nc6 15. d5 Nd8 16. dxe6 Nxe6 17.
e4 Nxf4 18. Qxf4 fxe4 19. fxe4 Qh5 20. c5 Bh3 21. Bf3 Qe5 22. Qxe5 dxe5 23. Rfd1 Rfd8 24.
Bb2 Rxd1+ 25. Rxd1 Rf8 26. Be2 Ng4 27. Re1 Re8 28. Rd1 Rf8 29. Rc1 c6 30. Bc3 h5 31. Be1
Nf6 32. Rc4 Ra8 33. Ra4 Bg4 34. Kf2 Kf7 35. Bf1 Ke7 36. Ke3 Nd7 37. Bxa5 Rf8 38. Bg2 Nxc5
39. Bb4 Kd6 40. Ra7 b6 41. Rb7 Bd7 42. Rxb6 1-0