| 4 feb 2021 | Suarez Arellano, Jorge 1568 | 0-1 | Fernandez Rosado, Roberto 2081 | C55 Italian Game: Two Knights Defense | 1 · mesa 1 |
| 4 feb 2021 | Centeno Mendoza, Julio Stefano 2038 | 1-0 | Mora Agudo, Jose 1569 | B50 Sicilian Defense: Modern Variations, Tartakower | 1 · mesa 2 |
| 4 feb 2021 | Menendez Domens, Juan Manuel 1487 | 0-1 | Cabanas Bravo, Juan Andres 1922 | C50 Italian Game: Giuoco Piano | 1 · mesa 3 |
| 4 feb 2021 | Rey Martinez, Jaime 1910 | 1-0 | Ruiz Usabiaga, Juan Antonio 1478 | C26 Vienna Game: Mieses Variation | 1 · mesa 4 |
| 4 feb 2021 | Rojas Fernandez, Antonio 1516 | ½-½ | Rojas Pozo, Jose Luis 1844 | C50 Italian Game: Giuoco Pianissimo | 1 · mesa 5 |
| 4 feb 2021 | Bravo De La Vega, Alvaro 1927 | 1-0 | Lopez Carrazana, Darvin Alejandro 1455 | B23 Sicilian Defense: Closed | 1 · mesa 6 |
| 4 feb 2021 | Martinez Garcia, Jorge 1426 | 0-1 | Neagu, Roberto Florin 1844 | B77 Sicilian Defense: Dragon Variation, Yugoslav Attack, Sosonko Variation | 1 · mesa 7 |
| 4 feb 2021 | Garcia Sanz, Eduardo 1823 | ½-½ | Roquero Redondo, Miguel 1416 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 1 · mesa 8 |
| 4 feb 2021 | Enriquez Pastor, Jorge 1403 | 0-1 | Garcia Fernandez, Jesus 1808 | B18 Caro-Kann Defense: Classical Variation | 1 · mesa 9 |
| 4 feb 2021 | Callejas Torres, Alejandro 1798 | 1-0 | Voytsekhoskyy Pomircha, Victor 1155 | D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation | 1 · mesa 10 |
| 4 feb 2021 | Del Pozo Berenguer, Fernando | 0-1 | Horcajuelo Rocamora, Martin 1763 | B42 Sicilian Defense: Kan Variation, Modern Variation | 1 · mesa 11 |
| 4 feb 2021 | Rodriguez Avila, Alvaro 1780 | 1-0 | Fernandez Rubio, Guillermo | B40 Sicilian Defense: French Variation, Westerinen Attack | 1 · mesa 12 |
| 4 feb 2021 | Gomez Perez, Jesus David | 0-1 | Arias Martinez, Ivan 1708 | C11 French Defense: Classical Variation, Shirov-Anand Variation | 1 · mesa 13 |
| 4 feb 2021 | Del Castillo Izquierdo, Jose 1701 | 1-0 | Martinez Moreno, Juan | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 · mesa 14 |
| 4 feb 2021 | Mata Medina, Andres | 0-1 | Barragan Panal, Juan Jose 1660 | B13 Caro-Kann Defense: Exchange Variation | 1 · mesa 15 |
| 4 feb 2021 | Aldea Moreno, Marina 1597 | 1-0 | Moreno Sabroso, Ruben | C44 Scotch Game: Lolli Variation | 1 · mesa 16 |
| 4 feb 2021 | Parra Martinez, Guillermo | 0-1 | Rodriguez Povar, Francisco Javier 1594 | E11 Bogo-Indian Defense: Nimzowitsch Variation | 1 · mesa 17 |
| 4 feb 2021 | Martinez Garcia, Ruben 1626 | 1-0 | Pesochinskiy, Stepan | C27 Vienna Game: Frankenstein-Dracula Variation | 1 · mesa 18 |
| 5 feb 2021 | Fernandez Rosado, Roberto 2081 | 1-0 | Rodriguez Avila, Alvaro 1780 | B59 Sicilian Defense: Boleslavsky Variation | 2 · mesa 1 |
| 5 feb 2021 | Horcajuelo Rocamora, Martin 1763 | * | Centeno Mendoza, Julio Stefano 2038 | D53 Queen's Gambit Declined | 2 · mesa 2 |
| 5 feb 2021 | Barragan Panal, Juan Jose 1660 | ½-½ | Bravo De La Vega, Alvaro 1927 | D37 Queen's Gambit Declined: Three Knights Variation | 2 · mesa 3 |
| 5 feb 2021 | Cabanas Bravo, Juan Andres 1922 | 1-0 | Del Castillo Izquierdo, Jose 1701 | C50 Italian Game: Giuoco Piano | 2 · mesa 4 |
| 5 feb 2021 | Arias Martinez, Ivan 1708 | 0-1 | Rey Martinez, Jaime 1910 | B20 Sicilian Defense | 2 · mesa 5 |
| 5 feb 2021 | Neagu, Roberto Florin 1844 | 1-0 | Aldea Moreno, Marina 1597 | B92 Sicilian Defense: Najdorf Variation, Opocensky Variation | 2 · mesa 6 |
| 5 feb 2021 | Garcia Fernandez, Jesus 1808 | 1-0 | Martinez Garcia, Ruben 1626 | D02 Queen's Pawn Game: London System | 2 · mesa 7 |
| 5 feb 2021 | Rodriguez Gil, Javier | 0-1 | Callejas Torres, Alejandro 1798 | B72 Sicilian Defense: Dragon Variation | 2 · mesa 8 |
| 5 feb 2021 | Rodriguez Povar, Francisco Javier 1594 | ½-½ | Garcia Sanz, Eduardo 1823 | B46 Sicilian Defense: Taimanov Variation | 2 · mesa 9 |
| 5 feb 2021 | Roquero Redondo, Miguel 1416 | 1-0 | Rojas Fernandez, Antonio 1516 | C53 Italian Game: Classical Variation | 2 · mesa 10 |
| 5 feb 2021 | Rojas Pozo, Jose Luis 1844 | 1-0 | Baeza Escudero, Javier 1888 | E81 King's Indian Defense: Sämisch Variation, Normal Defense | 2 · mesa 11 |
| 5 feb 2021 | Voytsekhoskyy Pomircha, Victor 1155 | 0-1 | Barragan Arriaza, Pablo 1893 | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 2 · mesa 12 |
| 5 feb 2021 | Mora Agudo, Jose 1569 | 1-0 | Del Pozo Berenguer, Fernando | A50 Queen's Indian Accelerated | 2 · mesa 13 |
| 5 feb 2021 | Fernandez Rubio, Guillermo | ½-½ | Suarez Arellano, Jorge 1568 | A48 London System, with Be2 | 2 · mesa 14 |
| 5 feb 2021 | Martinez Moreno, Juan | 0-1 | Menendez Domens, Juan Manuel 1487 | C50 Italian Game: Anti-Fried Liver Defense | 2 · mesa 15 |
| 5 feb 2021 | Ruiz Usabiaga, Juan Antonio 1478 | 0-1 | Gomez Perez, Jesus David | C36 King's Gambit Accepted: Modern Defense | 2 · mesa 16 |
| 5 feb 2021 | Lopez Carrazana, Darvin Alejandro 1455 | 1-0 | Mata Medina, Andres | C50 Italian Game: Giuoco Pianissimo, Canal Variation | 2 · mesa 17 |
| 5 feb 2021 | Moreno Sabroso, Ruben | 1-0 | Martinez Garcia, Jorge 1426 | B90 Sicilian Defense: Najdorf Variation, Adams Attack | 2 · mesa 18 |
| 5 feb 2021 | Pesochinskiy, Stepan | 1-0 | Enriquez Pastor, Jorge 1403 | C10 French Defense: Marshall Gambit | 2 · mesa 19 |
| 5 feb 2021 | Pulido Martinez, Carlos 1321 | 0-1 | Parra Martinez, Guillermo | B12 Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 2 · mesa 20 |
| 6 feb 2021 | Neagu, Roberto Florin 1844 | 0-1 | Fernandez Rosado, Roberto 2081 | A35 English Opening: Symmetrical Variation, Two Knights Variation | 3 · mesa 1 |
| 6 feb 2021 | Callejas Torres, Alejandro 1798 | ½-½ | Cabanas Bravo, Juan Andres 1922 | A57 Benko Gambit Declined: Main Line | 3 · mesa 2 |
| 6 feb 2021 | Rey Martinez, Jaime 1910 | 0-1 | Garcia Fernandez, Jesus 1808 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | 3 · mesa 3 |
| 6 feb 2021 | Rojas Pozo, Jose Luis 1844 | ½-½ | Horcajuelo Rocamora, Martin 1763 | E81 King's Indian Defense: Sämisch Variation, Sämisch Gambit Accepted | 3 · mesa 4 |
| 6 feb 2021 | Bravo De La Vega, Alvaro 1927 | 1-0 | Rodriguez Povar, Francisco Javier 1594 | C00 French Defense: Chigorin Variation | 3 · mesa 5 |
| 6 feb 2021 | Roquero Redondo, Miguel 1416 | ½-½ | Barragan Panal, Juan Jose 1660 | B13 Caro-Kann Defense: Panov Attack | 3 · mesa 6 |
| 6 feb 2021 | Centeno Mendoza, Julio Stefano 2038 | 1-0 | Menendez Domens, Juan Manuel 1487 | B21 Sicilian Defense: Smith-Morra Gambit Accepted | 3 · mesa 7 |
| 6 feb 2021 | Garcia Sanz, Eduardo 1823 | 0-1 | Lopez Carrazana, Darvin Alejandro 1455 | B78 Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line | 3 · mesa 8 |
| 6 feb 2021 | Rodriguez Avila, Alvaro 1780 | 1-0 | Gomez Perez, Jesus David | C87 Ruy Lopez: Closed, Averbakh Variation | 3 · mesa 9 |
| 6 feb 2021 | Parra Martinez, Guillermo | 1-0 | Arias Martinez, Ivan 1708 | E94 King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line | 3 · mesa 10 |
| 6 feb 2021 | Del Castillo Izquierdo, Jose 1701 | 1-0 | Moreno Sabroso, Ruben | D61 Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | 3 · mesa 11 |
| 6 feb 2021 | Martinez Garcia, Ruben 1626 | 1-0 | Rodriguez Gil, Javier | C00 French Defense: Steiner Variation | 3 · mesa 12 |