| 18 jul 2020 | Almagro Llamas, Pablo 2443 | ½-½ | Perez Gonzalez, Jose Manuel 2177 | B27 Sicilian Defense: Hyperaccelerated Dragon | 1 · mesa 1 |
| 18 jul 2020 | Garcia Dorado, Alberto 2175 | 0-1 | Moreno Ruiz, Javier 2436 | D20 Queen's Gambit Accepted: Central Variation, Modern Defense | 1 · mesa 2 |
| 18 jul 2020 | Martin Duque, Jesus 2421 | ½-½ | Torres Boch, Jose F. 2150 | B50 Sicilian Defense: Modern Variations | 1 · mesa 3 |
| 18 jul 2020 | Guillo Longares, Cecilia 2114 | 0-1 | Martinez Reyes, Pedro Ramon 2416 | E60 King's Indian Defense: Fianchetto Variation | 1 · mesa 4 |
| 18 jul 2020 | Quispe Arteaga, Gabriel 2397 | 1-0 | Rodriguez Polo, Mateo 2077 | D26 Queen's Gambit Accepted: Normal Variation, .. a6 Sideline | 1 · mesa 5 |
| 18 jul 2020 | Pablos Tenrero, Raquel 2042 | 0-1 | Aranda Marin, Cristian 2353 | D01 Rapport-Jobava System | 1 · mesa 6 |
| 18 jul 2020 | Rodriguez Diaz, Alberto Jose 1918 | 0-1 | Renteria, Jorge 2308 | A02 Bird Opening | 1 · mesa 8 |
| 18 jul 2020 | Gago Padreny, Ignacio 2289 | 1-0 | Vukotic Jovsic, Dragan 1905 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 · mesa 9 |
| 18 jul 2020 | Andrade Sandoval, Bianca 1900 | ½-½ | Reyes Penas, Sebastian 2272 | A46 Indian Defense: London System | 1 · mesa 10 |
| 18 jul 2020 | Solaesa Navalpotro, Luis Julio 2240 | ½-½ | Moreno Uribarri, Miguel 1881 | D95 Grünfeld Defense: Botvinnik Variation | 1 · mesa 11 |
| 18 jul 2020 | Corral Aragon, Juan Maria 1813 | 0-1 | Longa Yauca, Javier 2221 | C66 Ruy Lopez: Berlin Defense, Improved Steinitz Defense | 1 · mesa 12 |
| 18 jul 2020 | Martinez Fernandez, Raul 2220 | 1-0 | Giron Herranz, Juan 1811 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 · mesa 13 |
| 18 jul 2020 | Vinas Blasco, Jorge 1781 | 0-1 | Mkrtchyan, Levon 2215 | D58 Queen's Gambit Declined: Tartakower Defense | 1 · mesa 14 |
| 18 jul 2020 | Khudov, Oleksandr 2207 | 1-0 | Cujba, Anca-Claudia 1673 | A48 London System | 1 · mesa 15 |
| 18 jul 2020 | Alises Fontecha, Juan 1671 | 0-1 | Beltran De Heredia E., Miguel 2178 | B22 Sicilian Defense: Delayed Alapin Variation | 1 · mesa 16 |
| 19 jul 2020 | Moreno Ruiz, Javier 2436 | ½-½ | Gago Padreny, Ignacio 2289 | B13 Caro-Kann Defense: Exchange Variation | 2 · mesa 1 |
| 19 jul 2020 | Martinez Reyes, Pedro Ramon 2416 | 1-0 | Longa Yauca, Javier 2221 | A05 King's Indian Attack | 2 · mesa 2 |
| 19 jul 2020 | Mkrtchyan, Levon 2215 | 1-0 | Quispe Arteaga, Gabriel 2397 | B47 Sicilian Defense: Taimanov Variation, Bastrikov Variation | 2 · mesa 3 |
| 19 jul 2020 | Aranda Marin, Cristian 2353 | ½-½ | Martinez Fernandez, Raul 2220 | A06 Nimzo-Larsen Attack: Classical Variation | 2 · mesa 4 |
| 19 jul 2020 | Beltran De Heredia E., Miguel 2178 | 1-0 | Suarez Uriel, Adrian 2340 | B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | 2 · mesa 5 |
| 19 jul 2020 | Renteria, Jorge 2308 | 1-0 | Khudov, Oleksandr 2207 | C07 French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | 2 · mesa 6 |
| 19 jul 2020 | Torres Boch, Jose F. 2150 | 1-0 | Almagro Llamas, Pablo 2443 | B94 Sicilian Defense: Najdorf Variation | 2 · mesa 7 |
| 19 jul 2020 | Moreno Uribarri, Miguel 1881 | 0-1 | Martin Duque, Jesus 2421 | B42 Sicilian Defense: Kan Variation, Modern Variation | 2 · mesa 8 |
| 19 jul 2020 | Reyes Penas, Sebastian 2272 | 1-0 | Solaesa Navalpotro, Luis Julio 2240 | C61 Ruy Lopez: Bird Variation | 2 · mesa 9 |
| 19 jul 2020 | Perez Gonzalez, Jose Manuel 2177 | 1-0 | Andrade Sandoval, Bianca 1900 | B86 Sicilian Defense: Sozin Attack | 2 · mesa 10 |
| 19 jul 2020 | Vukotic Jovsic, Dragan 1905 | 0-1 | Garcia Dorado, Alberto 2175 | D02 Queen's Pawn Game: London System | 2 · mesa 11 |
| 19 jul 2020 | Giron Herranz, Juan 1811 | 0-1 | Guillo Longares, Cecilia 2114 | E76 King's Indian Defense: Four Pawns Attack, Dynamic Attack | 2 · mesa 13 |
| 19 jul 2020 | Rodriguez Polo, Mateo 2077 | 1-0 | Corral Aragon, Juan Maria 1813 | A09 Réti Opening | 2 · mesa 14 |
| 19 jul 2020 | Cujba, Anca-Claudia 1673 | 0-1 | Pablos Tenrero, Raquel 2042 | B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined | 2 · mesa 15 |
| 19 jul 2020 | Garcia Gonzalez, Jesus 2029 | 1-0 | Vinas Blasco, Jorge 1781 | D03 Queen's Pawn Game: Torre Attack | 2 · mesa 16 |
| 20 jul 2020 | Mkrtchyan, Levon 2215 | ½-½ | Martinez Reyes, Pedro Ramon 2416 | B01 Scandinavian Defense: Gubinsky-Melts Defense | 3 · mesa 1 |
| 20 jul 2020 | Beltran De Heredia E., Miguel 2178 | ½-½ | Renteria, Jorge 2308 | B57 Sicilian Defense: Classical Variation, Anti-Sozin Variation | 3 · mesa 2 |
| 20 jul 2020 | Martinez Fernandez, Raul 2220 | ½-½ | Moreno Ruiz, Javier 2436 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 3 · mesa 3 |
| 20 jul 2020 | Martin Duque, Jesus 2421 | 1-0 | Reyes Penas, Sebastian 2272 | B42 Sicilian Defense: Kan Variation, Modern Variation | 3 · mesa 4 |
| 20 jul 2020 | Perez Gonzalez, Jose Manuel 2177 | 0-1 | Aranda Marin, Cristian 2353 | B57 Sicilian Defense: Classical Variation, Sozin Attack | 3 · mesa 5 |
| 20 jul 2020 | Gago Padreny, Ignacio 2289 | ½-½ | Torres Boch, Jose F. 2150 | E97 King's Indian Defense: Orthodox Variation, Bayonet Attack | 3 · mesa 6 |
| 20 jul 2020 | Quispe Arteaga, Gabriel 2397 | 1-0 | Pindado Campos, Raul 2129 | A49 Indian Defense: Przepiorka Variation | 3 · mesa 7 |
| 20 jul 2020 | Suarez Uriel, Adrian 2340 | 1-0 | Guillo Longares, Cecilia 2114 | B36 Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | 3 · mesa 8 |
| 20 jul 2020 | Longa Yauca, Javier 2221 | 0-1 | Rodriguez Polo, Mateo 2077 | A18 English Opening: Mikenas-Carls Variation | 3 · mesa 9 |
| 20 jul 2020 | Khudov, Oleksandr 2207 | 1-0 | Garcia Gonzalez, Jesus 2029 | A45 Indian Defense: Accelerated London System | 3 · mesa 10 |
| 20 jul 2020 | Garcia Dorado, Alberto 2175 | 1-0 | Alises Fontecha, Juan 1671 | A15 English Opening: Anglo-Indian Defense, King's Knight Variation | 3 · mesa 11 |
| 20 jul 2020 | Pablos Tenrero, Raquel 2042 | 0-1 | Almagro Llamas, Pablo 2443 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | 3 · mesa 12 |
| 20 jul 2020 | Andrade Sandoval, Bianca 1900 | 0-1 | Moreno Uribarri, Miguel 1881 | A48 London System, with Be2 | 3 · mesa 13 |
| 20 jul 2020 | Solaesa Navalpotro, Luis Julio 2240 | 1-0 | Vukotic Jovsic, Dragan 1905 | A13 English Opening: Agincourt Defense | 3 · mesa 14 |
| 20 jul 2020 | Rodriguez Diaz, Alberto Jose 1918 | 1-0 | Giron Herranz, Juan 1811 | A03 Bird Opening: Dutch Variation | 3 · mesa 15 |
| 20 jul 2020 | Corral Aragon, Juan Maria 1813 | 1-0 | Cujba, Anca-Claudia 1673 | B99 Sicilian Defense: Najdorf Variation, Main Line | 3 · mesa 16 |
| 21 jul 2020 | Renteria, Jorge 2308 | ½-½ | Martin Duque, Jesus 2421 | B42 Sicilian Defense: Kan Variation, Modern Variation | 4 · mesa 1 |
| 21 jul 2020 | Martinez Reyes, Pedro Ramon 2416 | 1-0 | Beltran De Heredia E., Miguel 2178 | A05 King's Indian Attack: Symmetrical Defense | 4 · mesa 2 |
| 21 jul 2020 | Aranda Marin, Cristian 2353 | 1-0 | Mkrtchyan, Levon 2215 | A34 English Opening: Symmetrical Variation, Fianchetto Variation | 4 · mesa 3 |
| 21 jul 2020 | Moreno Ruiz, Javier 2436 | 1-0 | Khudov, Oleksandr 2207 | C15 French Defense: Winawer Variation | 4 · mesa 4 |