[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1960.06.26"]
[Round "4"]
[White "Fischer, Robert James"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. c5 O-O 8. b4 b6 9. Bd3 bxc5 10. bxc5 Nc6 11. O-O Bd7 12. h3 Ne8 13. Bf4 Bf6 14. Bb5 Nc7 15. Be2 Nxd4 16. Nxd4 e5 17. c6 Be8 18. Bg3 exd4 19. Bxc7 Qxc7 20. Nxd5 Qd6 21. Nxf6+ Qxf6 22. c7 Rc8 23. Rc1 Bc6 24. Rc4 Rxc7 25. Bd3 Rd7 26. Qc2 Bd5 27. Ra4 g6 28. Qc5 Rfd8 29. Bb5 Rd6 30. Rd1 Be6 31. Bd3 Rd5 32. Qxa7 Bxh3 33. Be4 R5d7 34. Qa6 Qxa6 35. Rxa6 Be6 36. a4 d3 37. Rd2 Rd4 38. f3 Bd5 39. Bxd5 R8xd5 40. Kf2 Rc4 41. a5 Ra4 42. Rc6 Ra3 43. Rc1 h5 44. Rcd1 Kg7 45. a6 g5 46. a7 Rxa7 47. Rxd3 Ra2+ 48. Kg1 Rxd3 49. Rxd3 Kg6 50. Kh2 Ra4 51. Rd5 g4 52. fxg4 hxg4 53. g3 Kf6 54. Rd2 Ke5 55. Kg2 f5 1/2-1/2