| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. G Hernandez Guerrero vs J Gomez Baillo |
| 0-1 | 22 | 1983 | Argentine Championship | B13 Caro-Kann, Exchange |
| 2. J Hase vs G Hernandez Guerrero |
| ½-½ | 12 | 1983 | Argentine Championship | B01 Scandinavian |
| 3. G Hernandez Guerrero vs J Szmetan |
| 0-1 | 40 | 1983 | Argentine Championship | B03 Alekhine's Defense |
| 4. M J Tempone vs G Hernandez Guerrero |
| 1-0 | 32 | 1983 | Argentine Championship | A05 Reti Opening |
| 5. S Schweber vs G Hernandez Guerrero |
| 1-0 | 41 | 1983 | Argentine Championship | A88 Dutch, Leningrad, Main Variation with c6 |
| 6. R Monier vs G Hernandez Guerrero |
| 1-0 | 51 | 1983 | Argentine Championship | E91 King's Indian |
| 7. S Giardelli vs G Hernandez Guerrero |
| 1-0 | 39 | 1983 | Argentine Championship | E67 King's Indian, Fianchetto |
| 8. G Hernandez Guerrero vs L Bronstein |
| 0-1 | 49 | 1983 | Argentine Championship | B44 Sicilian |
| 9. A Aparicio vs G Hernandez Guerrero |
| 1-0 | 30 | 1983 | Argentine Championship | A46 Queen's Pawn Game |
| 10. G Hernandez Guerrero vs C Panzeri |
| 0-1 | 30 | 1983 | Argentine Championship | B12 Caro-Kann Defense |
| 11. H Borghi vs G Hernandez Guerrero |
| 0-1 | 25 | 1983 | Argentine Championship | C07 French, Tarrasch |
| 12. G Hernandez Guerrero vs G Soppe |
| 0-1 | 48 | 1983 | Argentine Championship | B03 Alekhine's Defense |
| 13. M Erebih vs G Hernandez Guerrero |
| 0-1 | 33 | 1986 | Dubai Olympiad | A70 Benoni, Classical with 7.Nf3 |
| 14. G Hernandez Guerrero vs R Grimaldi |
| 1-0 | 59 | 1986 | Dubai Olympiad | B18 Caro-Kann, Classical |
| 15. G Hernandez Guerrero vs D Bryson |
| ½-½ | 42 | 1986 | Dubai Olympiad | B04 Alekhine's Defense, Modern |
| 16. A Yasseen vs G Hernandez Guerrero |
| 0-1 | 37 | 1986 | Dubai Olympiad | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 17. G Hernandez Guerrero vs C Depasquale |
| ½-½ | 57 | 1986 | Dubai Olympiad | B04 Alekhine's Defense, Modern |
| 18. N Doghri vs G Hernandez Guerrero |
| ½-½ | 35 | 1986 | Dubai Olympiad | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 19. N Gavrilakis vs G Hernandez Guerrero |
| 0-1 | 53 | 1986 | Dubai Olympiad | B81 Sicilian, Scheveningen, Keres Attack |
| 20. G Vallifuoco vs G Hernandez Guerrero |
| 1-0 | 28 | 1986 | Dubai Olympiad | E87 King's Indian, Samisch, Orthodox |
| 21. A Nascimento vs G Hernandez Guerrero |
| 0-1 | 40 | 1986 | Dubai Olympiad | A61 Benoni |
| 22. G Hernandez Guerrero vs C Partos |
| ½-½ | 36 | 1986 | Dubai Olympiad | B27 Sicilian |
| 23. G Hernandez Guerrero vs W Arencibia Rodriguez |
| 1-0 | 36 | 1987 | Bayamo Zonal | C16 French, Winawer |
| 24. A Rodriguez vs G Hernandez Guerrero |
| 1-0 | 28 | 1987 | Granma zt | A04 Reti Opening |
| 25. G Basanta vs G Hernandez Guerrero |
| 1-0 | 28 | 1988 | Saint John Open I | B83 Sicilian |
Kibitzing
