| 5 jul 2021 | Martin Carmona, Gaston Manuel 2294 | ½-½ | Alonso Bouza, Julio Javier 2407 | C10 French Defense: Rubinstein Variation, Fort Knox Variation | 1 · mesa 1 |
| 5 jul 2021 | Diaz Mino, Pablo 2306 | ½-½ | Tadevosyan, Aspet 2250 | B90 Sicilian Defense: Najdorf Variation, English Attack | 1 · mesa 2 |
| 5 jul 2021 | Garrido Outon, Alex 2332 | 1-0 | Balbuena Fuentes, Mario 2230 | B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | 1 · mesa 3 |
| 5 jul 2021 | Ramirez Garcia, Jorge Alberto 2305 | 0-1 | Esquivias Quintero, Luis Manuel 2294 | B22 Sicilian Defense: Alapin Variation | 1 · mesa 4 |
| 5 jul 2021 | Starostits, Ilmars 2457 | ½-½ | Valenzuela Gomez, Fernando 2378 | D02 Queen's Pawn Game: Symmetrical Variation | 1 · mesa 5 |
| 6 jul 2021 | Alonso Bouza, Julio Javier 2407 | 0-1 | Valenzuela Gomez, Fernando 2378 | B90 Sicilian Defense: Najdorf Variation, Lipnitsky Attack | 2 · mesa 1 |
| 6 jul 2021 | Esquivias Quintero, Luis Manuel 2294 | 0-1 | Starostits, Ilmars 2457 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 2 · mesa 2 |
| 6 jul 2021 | Balbuena Fuentes, Mario 2230 | 1-0 | Ramirez Garcia, Jorge Alberto 2305 | C09 French Defense: Tarrasch Variation, Open System, Main Line | 2 · mesa 3 |
| 6 jul 2021 | Tadevosyan, Aspet 2250 | 0-1 | Garrido Outon, Alex 2332 | E92 King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | 2 · mesa 4 |
| 6 jul 2021 | Martin Carmona, Gaston Manuel 2294 | 1-0 | Diaz Mino, Pablo 2306 | E62 King's Indian Defense: Fianchetto Variation, Kavalek Defense | 2 · mesa 5 |
| 6 jul 2021 | Diaz Mino, Pablo 2306 | 0-1 | Alonso Bouza, Julio Javier 2407 | C70 Ruy Lopez: Morphy Defense, Classical Defense Deferred | 3 · mesa 1 |
| 6 jul 2021 | Garrido Outon, Alex 2332 | ½-½ | Martin Carmona, Gaston Manuel 2294 | B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | 3 · mesa 2 |
| 6 jul 2021 | Ramirez Garcia, Jorge Alberto 2305 | ½-½ | Tadevosyan, Aspet 2250 | D45 Semi-Slav Defense: Stoltz Variation | 3 · mesa 3 |
| 6 jul 2021 | Starostits, Ilmars 2457 | 1-0 | Balbuena Fuentes, Mario 2230 | A46 Yusupov-Rubinstein System | 3 · mesa 4 |
| 6 jul 2021 | Valenzuela Gomez, Fernando 2378 | 0-1 | Esquivias Quintero, Luis Manuel 2294 | B67 Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | 3 · mesa 5 |
| 7 jul 2021 | Alonso Bouza, Julio Javier 2407 | ½-½ | Esquivias Quintero, Luis Manuel 2294 | B20 Sicilian Defense | 4 · mesa 1 |
| 7 jul 2021 | Balbuena Fuentes, Mario 2230 | 1-0 | Valenzuela Gomez, Fernando 2378 | B90 Sicilian Defense: Najdorf Variation, Adams Attack | 4 · mesa 2 |
| 7 jul 2021 | Tadevosyan, Aspet 2250 | ½-½ | Starostits, Ilmars 2457 | D97 Grünfeld Defense: Russian Variation | 4 · mesa 3 |
| 7 jul 2021 | Martin Carmona, Gaston Manuel 2294 | 1-0 | Ramirez Garcia, Jorge Alberto 2305 | E08 Catalan Opening: Closed | 4 · mesa 4 |
| 7 jul 2021 | Diaz Mino, Pablo 2306 | ½-½ | Garrido Outon, Alex 2332 | B22 Sicilian Defense: Alapin Variation, Barmen Defense | 4 · mesa 5 |
| 7 jul 2021 | Garrido Outon, Alex 2332 | 1-0 | Alonso Bouza, Julio Javier 2407 | B81 Sicilian Defense: Scheveningen Variation, Keres Attack | 5 · mesa 1 |
| 7 jul 2021 | Ramirez Garcia, Jorge Alberto 2305 | 1-0 | Diaz Mino, Pablo 2306 | C47 Four Knights Game: Scotch Variation Accepted, Main Line | 5 · mesa 2 |
| 7 jul 2021 | Starostits, Ilmars 2457 | ½-½ | Martin Carmona, Gaston Manuel 2294 | B25 Sicilian Defense: Closed | 5 · mesa 3 |
| 7 jul 2021 | Valenzuela Gomez, Fernando 2378 | 1-0 | Tadevosyan, Aspet 2250 | B94 Sicilian Defense: Najdorf Variation | 5 · mesa 4 |
| 7 jul 2021 | Esquivias Quintero, Luis Manuel 2294 | ½-½ | Balbuena Fuentes, Mario 2230 | C67 Ruy Lopez: Open Berlin Defense, l'Hermet Variation | 5 · mesa 5 |
| 8 jul 2021 | Alonso Bouza, Julio Javier 2407 | ½-½ | Balbuena Fuentes, Mario 2230 | C05 French Defense: Tarrasch Variation, Closed Variation | 6 · mesa 1 |
| 8 jul 2021 | Tadevosyan, Aspet 2250 | 0-1 | Esquivias Quintero, Luis Manuel 2294 | A59 Benko Gambit Accepted: King Walk Variation | 6 · mesa 2 |
| 8 jul 2021 | Martin Carmona, Gaston Manuel 2294 | 1-0 | Valenzuela Gomez, Fernando 2378 | D37 Queen's Gambit Declined: Three Knights Variation | 6 · mesa 3 |
| 8 jul 2021 | Diaz Mino, Pablo 2306 | 0-1 | Starostits, Ilmars 2457 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 6 · mesa 4 |
| 8 jul 2021 | Garrido Outon, Alex 2332 | 1-0 | Ramirez Garcia, Jorge Alberto 2305 | C13 French Defense: Alekhine-Chatard Attack, Albin-Chatard Gambit | 6 · mesa 5 |
| 8 jul 2021 | Ramirez Garcia, Jorge Alberto 2305 | ½-½ | Alonso Bouza, Julio Javier 2407 | B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | 7 · mesa 1 |
| 8 jul 2021 | Starostits, Ilmars 2457 | ½-½ | Garrido Outon, Alex 2332 | D05 Rubinstein Opening: Bogoljubow Defense | 7 · mesa 2 |
| 8 jul 2021 | Valenzuela Gomez, Fernando 2378 | 0-1 | Diaz Mino, Pablo 2306 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 7 · mesa 3 |
| 8 jul 2021 | Esquivias Quintero, Luis Manuel 2294 | ½-½ | Martin Carmona, Gaston Manuel 2294 | E08 Catalan Opening: Closed | 7 · mesa 4 |
| 8 jul 2021 | Balbuena Fuentes, Mario 2230 | 0-1 | Tadevosyan, Aspet 2250 | B23 Sicilian Defense: Closed, Traditional | 7 · mesa 5 |
| 9 jul 2021 | Alonso Bouza, Julio Javier 2407 | ½-½ | Tadevosyan, Aspet 2250 | B54 Sicilian Defense: Modern Variations, Main Line | 8 · mesa 1 |
| 9 jul 2021 | Martin Carmona, Gaston Manuel 2294 | ½-½ | Balbuena Fuentes, Mario 2230 | A29 English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | 8 · mesa 2 |
| 9 jul 2021 | Diaz Mino, Pablo 2306 | 1-0 | Esquivias Quintero, Luis Manuel 2294 | A58 Benko Gambit Accepted: Fully Accepted Variation | 8 · mesa 3 |
| 9 jul 2021 | Garrido Outon, Alex 2332 | 1-0 | Valenzuela Gomez, Fernando 2378 | B94 Sicilian Defense: Najdorf Variation | 8 · mesa 4 |
| 9 jul 2021 | Ramirez Garcia, Jorge Alberto 2305 | 0-1 | Starostits, Ilmars 2457 | B18 Caro-Kann Defense: Classical Variation | 8 · mesa 5 |
| 9 jul 2021 | Starostits, Ilmars 2457 | ½-½ | Alonso Bouza, Julio Javier 2407 | E92 King's Indian Defense: Exchange Variation | 9 · mesa 1 |
| 9 jul 2021 | Valenzuela Gomez, Fernando 2378 | 1-0 | Ramirez Garcia, Jorge Alberto 2305 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 9 · mesa 2 |
| 9 jul 2021 | Esquivias Quintero, Luis Manuel 2294 | ½-½ | Garrido Outon, Alex 2332 | C84 Ruy Lopez: Closed, Martinez Variation | 9 · mesa 3 |
| 9 jul 2021 | Balbuena Fuentes, Mario 2230 | 0-1 | Diaz Mino, Pablo 2306 | A05 Zukertort Opening: Nimzo-Larsen Variation | 9 · mesa 4 |
| 9 jul 2021 | Tadevosyan, Aspet 2250 | ½-½ | Martin Carmona, Gaston Manuel 2294 | D35 Queen's Gambit Declined: Exchange Variation | 9 · mesa 5 |