| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. A Shneider vs L Sieiro Gonzalez |
| ½-½ | 10 | 1990 | Capablanca mem-B | E11 Bogo-Indian Defense |
| 77. A de Jesus Galan Alcala vs L Sieiro Gonzalez |
| 0-1 | 41 | 1991 | Mexico City Latin American Cup Open | A14 English |
| 78. L Sieiro Gonzalez vs R Vera |
| ½-½ | 18 | 1991 | Mexico City Latin American Cup Open | B50 Sicilian |
| 79. O Ferreira vs L Sieiro Gonzalez |
| 0-1 | 24 | 1991 | Mexico City Latin American Cup Open | C50 Giuoco Piano |
| 80. L Sieiro Gonzalez vs J Nogueiras |
| ½-½ | 14 | 1991 | Mexico City Latin American Cup Open | B08 Pirc, Classical |
| 81. L Sieiro Gonzalez vs A Rodriguez |
| 0-1 | 29 | 1991 | Mexico City Latin American Cup Open | A46 Queen's Pawn Game |
| 82. L Sieiro Gonzalez vs E Hernandez Guerrero |
| ½-½ | 52 | 1991 | Mexico City Latin American Cup Open | B82 Sicilian, Scheveningen |
| 83. J Martin del Campo vs L Sieiro Gonzalez |
| 0-1 | 33 | 1991 | Mexico City Latin American Cup Open | A21 English |
| 84. J Boudy Bueno vs L Sieiro Gonzalez |
| 0-1 | 17 | 1993 | Capablanca Memorial - Masters 2 | C10 French |
| 85. L Sieiro Gonzalez vs Y Hernandez Estevez |
| ½-½ | 24 | 1993 | Capablanca Memorial - Masters 2 | C42 Petrov Defense |
| 86. T Hernandez vs L Sieiro Gonzalez |
| 0-1 | 55 | 1993 | Capablanca Memorial - Masters 2 | C09 French, Tarrasch, Open Variation, Main line |
| 87. L Sieiro Gonzalez vs F Vallejo Garamendi |
| 0-1 | 36 | 1993 | Capablanca Memorial - Masters 2+ | B23 Sicilian, Closed |
| 88. I Herrera vs L Sieiro Gonzalez |
| ½-½ | 44 | 1993 | Capablanca Memorial - Masters 2 | C67 Ruy Lopez |
| 89. L Sieiro Gonzalez vs G Estevez Morales |
| ½-½ | 14 | 1993 | Capablanca Memorial - Masters 2 | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 90. A Rivera vs L Sieiro Gonzalez |
| 0-1 | 39 | 1993 | Capablanca Memorial - Masters 2 | D45 Queen's Gambit Declined Semi-Slav |
| 91. L Sieiro Gonzalez vs E Otero |
| ½-½ | 13 | 1993 | Capablanca Memorial - Masters 2 | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 92. L Sieiro Gonzalez vs A Moran Nuque |
| ½-½ | 19 | 1993 | Capablanca Memorial - Masters 2 | C18 French, Winawer |
| 93. R Leitao vs L Sieiro Gonzalez |
| 0-1 | 45 | 1993 | Capablanca Memorial - Masters 2 | D35 Queen's Gambit Declined |
| 94. L Sieiro Gonzalez vs J Espinosa |
| 1-0 | 52 | 1993 | Capablanca Memorial - Masters 2 | C41 Philidor Defense |
| 95. L Sieiro Gonzalez vs J Chaves |
| 1-0 | 48 | 1993 | Capablanca Memorial - Masters 2 | C47 Four Knights |
| 96. F Garmendez Gonzalez vs L Sieiro Gonzalez |
| ½-½ | 37 | 1993 | Capablanca Memorial - Masters 2 | C11 French |
| 97. B Lugo vs L Sieiro Gonzalez |
| 1-0 | 46 | 1994 | Capablanca mem-C | C11 French |
| 98. L Sieiro Gonzalez vs R Gonzalez |
| 0-1 | 27 | 1995 | CUB-ch sf | D12 Queen's Gambit Declined Slav |
| 99. L Sieiro Gonzalez vs M Munoz Pantoja |
| 0-1 | 42 | 1995 | Buenos Aires VII Najdorf op | A46 Queen's Pawn Game |
| 100. L Sieiro Gonzalez vs P Ricardi |
| 1-0 | 66 | 1995 | Clarin GP op 4th | D02 Queen's Pawn Game |
Kibitzing
