[Event "Olympiad-14 Preliminaries A"]
[Site "Leipzig"]
[Date "1960.10.20"]
[Round "4"]
[White "Soler, John"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O e5 8. dxe5 dxe5 9. e4 c6 10. Qe2 Qe7 11. Rb1 Nc5 12. Bg5 Bg4 13. h3 Bxf3 14. Qxf3 Ne6 15. Be3 Qb4 16. Rfc1 Rfd8 17. Bf1 Nd4 18. Qg2 a5 19. Ne2 Ne6 20. Rc3 a4 21. a3 Qf8 22. f3 Bh6 23. Qf2 Bxe3 24. Qxe3 Qc5 25. Kf2 Rd7 26. b4 axb3 27. Rbxb3 Qxe3+ 28. Kxe3 Nc5 29. Rb1 Rad8 30. Nc1 Nh5 31. Kf2 Ng7 32. Nb3 Nge6 33. Nxc5 Nxc5 34. Ke3 Kg7 35. Be2 f5 36. exf5 gxf5 37. Rcc1 Ra8 38. Rc3 Re8 39. Rd1 f4+ 40. gxf4 exf4+ 41. Kf2 Rxd1 42. Bxd1 Kf6 43. Be2 Ke5 44. Rc1 Ra8 45. Rg1 Rxa3 46. Rg5+ Kd6 47. Rh5 Ne6 48. Rxh7 Nd4 49. Rh8 Ra2 50. Re8 Nxe2 51. Rxe2 Rxe2+ 52. Kxe2 b5 53. cxb5 cxb5 54. Kd3 Ke5 0-1