Game |
| Result | Moves |
Year | Event/Locale | Opening |
51. C Silva Sanchez vs W Ader Hausman |
| 1-0 | 34 | 1972 | La Serena | B75 Sicilian, Dragon, Yugoslav Attack |
52. C Silva Sanchez vs O Rodriguez Vargas |
| ½-½ | 35 | 1972 | La Serena | E46 Nimzo-Indian |
53. C Silva Sanchez vs Letelier |
| 1-0 | 35 | 1972 | La Serena | C19 French, Winawer, Advance |
54. O Rodriguez Vargas vs C Silva Sanchez |
| 1-0 | 56 | 1972 | Sao Paulo Zonal | B30 Sicilian |
55. C Silva Sanchez vs C Gamarra Caceres |
| ½-½ | 44 | 1972 | Sao Paulo Zonal | B23 Sicilian, Closed |
56. C Silva Sanchez vs E Alborta Tito |
| 1-0 | 25 | 1972 | Sao Paulo Zonal | D45 Queen's Gambit Declined Semi-Slav |
57. C Silva Sanchez vs E Asfora |
| ½-½ | 20 | 1972 | Sao Paulo Zonal+ | D02 Queen's Pawn Game |
58. V Chemin vs C Silva Sanchez |
| 0-1 | 75 | 1972 | Sao Paulo Zonal | A07 King's Indian Attack |
59. Mecking vs C Silva Sanchez |
| 1-0 | 40 | 1972 | Sao Paulo Zonal | B81 Sicilian, Scheveningen, Keres Attack |
60. J Belmonte Schwarzbaum vs C Silva Sanchez |
| 0-1 | 34 | 1972 | Sao Paulo Zonal | B82 Sicilian, Scheveningen |
61. C Silva Sanchez vs O Quinones Carrillo |
| 1-0 | 25 | 1972 | Sao Paulo Zonal | B42 Sicilian, Kan |
62. C Silva Sanchez vs J Pinto Paiva |
| 1-0 | 60 | 1972 | Sao Paulo Zonal | C97 Ruy Lopez, Closed, Chigorin |
63. C Silva Sanchez vs D Godoy |
| 0-1 | 45 | 1972 | Sao Paulo Zonal | C78 Ruy Lopez |
64. C Silva Sanchez vs J E Vasquez |
| ½-½ | 68 | 1972 | Sao Paulo Zonal | B99 Sicilian, Najdorf, 7...Be7 Main line |
65. C Juarez vs C Silva Sanchez |
| 0-1 | 31 | 1972 | Sao Paulo Zonal | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
66. Quinteros vs C Silva Sanchez |
| 1-0 | 45 | 1972 | Sao Paulo Zonal | E63 King's Indian, Fianchetto, Panno Variation |
67. R Silva Nazzari vs C Silva Sanchez |
| ½-½ | 55 | 1972 | Sao Paulo Zonal | B43 Sicilian, Kan, 5.Nc3 |
68. J Carvajal vs C Silva Sanchez |
| 0-1 | 54 | 1972 | Sao Paulo Zonal | A31 English, Symmetrical, Benoni Formation |
69. C Silva Sanchez vs Panno |
| 0-1 | 30 | 1972 | Sao Paulo Zonal | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
70. C Silva Sanchez vs H van Riemsdijk |
| 0-1 | 40 | 1972 | Sao Paulo Zonal | B08 Pirc, Classical |
71. J Rubinetti vs C Silva Sanchez |
| 1-0 | 53 | 1972 | Sao Paulo Zonal | A42 Modern Defense, Averbakh System |
72. C Silva Sanchez vs R Debarnot |
| ½-½ | 60 | 1972 | Sao Paulo Zonal | A07 King's Indian Attack |
73. H Camara vs C Silva Sanchez |
| 1-0 | 35 | 1972 | Sao Paulo Zonal | D32 Queen's Gambit Declined, Tarrasch |
74. C Silva Sanchez vs J Szmetan |
| 0-1 | 33 | 1972 | Sao Paulo Zonal | B42 Sicilian, Kan |
75. A Foguelman vs C Silva Sanchez |
 | 1-0 | 47 | 1974 | Mar del Plata op 7th | E60 King's Indian Defense |