Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. G Idigoras vs L Marini |
| ½-½ | 20 | 1955 | Argentine Championship | D85 Grunfeld |
27. R Sanguinetti vs G Idigoras |
| 0-1 | 30 | 1955 | Argentine Championship | A15 English |
28. G Idigoras vs J Pelikan |
| ½-½ | 40 | 1955 | Argentine Championship | A96 Dutch, Classical Variation |
29. H Rossetto vs G Idigoras |
| 1-0 | 34 | 1955 | Argentine Championship | A15 English |
30. G Idigoras vs R Sanguineti |
| 0-1 | 45 | 1955 | Argentine Championship | E59 Nimzo-Indian, 4.e3, Main line |
31. E Dodero vs G Idigoras |
| ½-½ | 34 | 1955 | Argentine Championship | B08 Pirc, Classical |
32. G Idigoras vs Najdorf |
| 0-1 | 39 | 1955 | Argentine Championship | E59 Nimzo-Indian, 4.e3, Main line |
33. J M Suarez vs G Idigoras |
| ½-½ | 55 | 1955 | Argentine Championship | A15 English |
34. G Idigoras vs A Laurencena |
| ½-½ | 16 | 1955 | Argentine Championship | D04 Queen's Pawn Game |
35. E Reinhardt vs G Idigoras |
| 0-1 | 58 | 1956 | Mar del Plata | C02 French, Advance |
36. G Idigoras vs J Bolbochan |
| ½-½ | 44 | 1956 | Mar del Plata | A53 Old Indian |
37. Eliskases vs G Idigoras |
| ½-½ | 35 | 1956 | Mar del Plata | E60 King's Indian Defense |
38. G Idigoras vs J Pelikan |
| ½-½ | 15 | 1956 | Mar del Plata | A80 Dutch |
39. C H Maderna vs G Idigoras |
| ½-½ | 20 | 1956 | Mar del Plata | C15 French, Winawer |
40. G Idigoras vs V L Szentkiralyi Toth |
| ½-½ | 55 | 1956 | Mar del Plata | E60 King's Indian Defense |
41. R A Redolfi vs G Idigoras |
| ½-½ | 36 | 1956 | Mar del Plata | C15 French, Winawer |
42. G Idigoras vs Bolbochan |
| 0-1 | 40 | 1956 | Mar del Plata | E60 King's Indian Defense |
43. Najdorf vs G Idigoras |
 | 1-0 | 25 | 1956 | Mar del Plata | E81 King's Indian, Samisch |
44. G Idigoras vs R Shocron |
| 0-1 | 56 | 1956 | Mar del Plata | E62 King's Indian, Fianchetto |
45. A Olivera vs G Idigoras |
| 0-1 | 28 | 1956 | Mar del Plata | A96 Dutch, Classical Variation |
46. G Idigoras vs H Rossetto |
| 1-0 | 37 | 1956 | Mar del Plata | E10 Queen's Pawn Game |
47. B Wexler vs G Idigoras |
| 0-1 | 40 | 1956 | Mar del Plata | A49 King's Indian, Fianchetto without c4 |
48. G Idigoras vs J Behrensen |
| ½-½ | 25 | 1956 | Mar del Plata | D19 Queen's Gambit Declined Slav, Dutch |
49. J Gondim vs G Idigoras |
| 0-1 | 24 | 1956 | Mar del Plata | A48 King's Indian |
50. G Idigoras vs A Foguelman |
| ½-½ | 15 | 1958 | Argentine Championship | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |