| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. P Paneque Martin vs G Hernandez Guerrero |
| 1-0 | 49 | 1990 | Pinar del Rio zt | C42 Petrov Defense |
| 77. G Hernandez Guerrero vs Philippe Testard |
| 1-0 | 41 | 1990 | Lyon op | B92 Sicilian, Najdorf, Opocensky Variation |
| 78. J Turner vs G Hernandez Guerrero |
| 0-1 | 24 | 1990 | Pinar del Rio zt | A53 Old Indian |
| 79. A Zapata vs G Hernandez Guerrero |
| 1-0 | 30 | 1990 | Cali zt | B63 Sicilian, Richter-Rauzer Attack |
| 80. C Juarez Flores vs G Hernandez Guerrero |
| ½-½ | 24 | 1990 | Cali zt | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 81. W Sariego Figueredo vs G Hernandez Guerrero |
| 1-0 | 46 | 1990 | Pinar del Rio zt | C55 Two Knights Defense |
| 82. A Rodriguez Vila vs G Hernandez Guerrero |
| 1-0 | 23 | 1990 | Pinar del Rio zt | C43 Petrov, Modern Attack |
| 83. G Hernandez Guerrero vs C Cuartas |
| 0-1 | 29 | 1990 | Bogota op | C02 French, Advance |
| 84. S Silva Lillo vs G Hernandez Guerrero |
| 0-1 | 41 | 1990 | World Junior Championship | A56 Benoni Defense |
| 85. G Hernandez Guerrero vs P Sjodahl |
| 1-0 | 28 | 1990 | World Junior Championship | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 86. G Hernandez Guerrero vs A Giaccio |
| 1-0 | 44 | 1990 | World Junior Championship | C19 French, Winawer, Advance |
| 87. G Hernandez Guerrero vs M Ulybin |
| 1-0 | 51 | 1990 | World Junior Championship | A07 King's Indian Attack |
| 88. G Hernandez Guerrero vs E Pupo |
| 1-0 | 48 | 1990 | World Junior Championship | A15 English |
| 89. G Grigore vs G Hernandez Guerrero |
| ½-½ | 78 | 1990 | World Junior Championship | A56 Benoni Defense |
| 90. I Gurevich vs G Hernandez Guerrero |
| ½-½ | 12 | 1990 | World Junior Championship | B63 Sicilian, Richter-Rauzer Attack |
| 91. G Hernandez Guerrero vs D Barahona |
| 1-0 | 42 | 1990 | World Junior Championship | E62 King's Indian, Fianchetto |
| 92. G Hernandez Guerrero vs N Mitkov |
| 1-0 | 45 | 1990 | World Junior Championship | E04 Catalan, Open, 5.Nf3 |
| 93. M Borriss vs G Hernandez Guerrero |
| 1-0 | 50 | 1990 | World Junior Championship | C42 Petrov Defense |
| 94. C Lutz vs G Hernandez Guerrero |
| 1-0 | 28 | 1990 | World Junior Championship | D22 Queen's Gambit Accepted |
| 95. Z Varga vs G Hernandez Guerrero |
| 1-0 | 37 | 1990 | World Junior Championship | B57 Sicilian |
| 96. G Hernandez Guerrero vs A Rodriguez |
| ½-½ | 26 | 1990 | Novi Sad Olympiad | C84 Ruy Lopez, Closed |
| 97. M Brav vs G Hernandez Guerrero |
| 0-1 | 39 | 1990 | Novi Sad Olympiad | A20 English |
| 98. G Hernandez Guerrero vs R Damaso |
| ½-½ | 65 | 1990 | Novi Sad Olympiad | B57 Sicilian |
| 99. G Hernandez Guerrero vs Z Rahman |
| 1-0 | 46 | 1990 | Novi Sad Olympiad | C19 French, Winawer, Advance |
| 100. I Abdelnabbi vs G Hernandez Guerrero |
| 0-1 | 40 | 1990 | Novi Sad Olympiad | B53 Sicilian |
Kibitzing
