| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. L Sanchez vs S Johannessen |
| 1-0 | 40 | 1956 | Moscow Olympiad Final-B | E63 King's Indian, Fianchetto, Panno Variation |
| 52. K Plater vs L Sanchez |
| 0-1 | 51 | 1956 | Moscow Olympiad Final-B | C45 Scotch Game |
| 53. L Sanchez vs S Burstein |
| ½-½ | 45 | 1956 | Moscow Olympiad Final-B | D15 Queen's Gambit Declined Slav |
| 54. A Dueckstein vs L Sanchez |
| ½-½ | 39 | 1956 | Moscow Olympiad Final-B | C44 King's Pawn Game |
| 55. L Sanchez vs T Salo |
| ½-½ | 35 | 1956 | Moscow Olympiad Final-B | D78 Neo-Grunfeld, 6.O-O c6 |
| 56. A Dunkelblum vs L Sanchez |
| ½-½ | 16 | 1956 | Moscow Olympiad Final-B | D55 Queen's Gambit Declined |
| 57. S Dittmann vs L Sanchez |
| ½-½ | 18 | 1956 | Moscow Olympiad Final-B | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 58. L Sanchez vs I Johannsson |
| 1-0 | 23 | 1956 | Moscow Olympiad Final-B | E02 Catalan, Open, 5.Qa4 |
| 59. L Sanchez vs C Humerez Estrada |
| ½-½ | 40 | 1958 | Pan-American Championship | D35 Queen's Gambit Declined |
| 60. Panno vs L Sanchez |
| 1-0 | 38 | 1958 | Pan-American Championship | C75 Ruy Lopez, Modern Steinitz Defense |
| 61. L Sanchez vs Najdorf |
| ½-½ | 39 | 1958 | Pan-American Championship | A76 Benoni, Classical, 9...Re8 |
| 62. L Sanchez vs F Perez Arauz |
| 1-0 | 33 | 1958 | Pan-American Championship | A07 King's Indian Attack |
| 63. N del Pozo vs L Sanchez |
| 0-1 | 42 | 1958 | Pan-American Championship | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 64. L Sanchez vs A Bisguier |
| 1-0 | 49 | 1958 | Pan-American Championship | D22 Queen's Gambit Accepted |
| 65. L Sanchez vs P Martin |
| ½-½ | 23 | 1958 | Pan-American Championship | C71 Ruy Lopez |
| 66. J Gutierrez vs L Sanchez |
| ½-½ | 53 | 1958 | Pan-American Championship | C73 Ruy Lopez, Modern Steinitz Defense |
| 67. L Sanchez vs A Cuellar Jimenez |
| 1-0 | 70 | 1958 | Pan-American Championship | C86 Ruy Lopez, Worrall Attack |
| 68. W Ader Hausman vs L Sanchez |
| ½-½ | 56 | 1958 | Pan-American Championship | A16 English |
| 69. L Sanchez vs Lombardy |
| 0-1 | 37 | 1958 | Pan-American Championship | D35 Queen's Gambit Declined |
| 70. F Sanchez Betancourt vs L Sanchez |
| 0-1 | 43 | 1958 | Pan-American Championship | E81 King's Indian, Samisch |
| 71. M Cuellar Gacharna vs L Sanchez |
| ½-½ | 30 | 1958 | Pan-American Championship | E62 King's Indian, Fianchetto |
| 72. L Sanchez vs J Penrose |
| 0-1 | 57 | 1958 | Munich Olympiad qual-3 | B80 Sicilian, Scheveningen |
| 73. N Macleod vs L Sanchez |
 | ½-½ | 27 | 1958 | Munich Olympiad qual-3 | B21 Sicilian, 2.f4 and 2.d4 |
| 74. L Sanchez vs M Gabriel |
| 1-0 | 65 | 1958 | Munich Olympiad qual-3 | C90 Ruy Lopez, Closed |
| 75. S Dittmann vs L Sanchez |
| 1-0 | 37 | 1958 | Munich Olympiad qual-3 | E79 King's Indian, Four Pawns Attack, Main line |
Kibitzing
