| 29 jul 2023 | Campos Rodriguez, Alvaro 1793 | 1-0 | De Vega Trivino, Ricardo | C50 Italian Game: Giuoco Pianissimo, Normal | 1 · mesa 1 |
| 29 jul 2023 | Del Riego Alba, Nicolas | 0-1 | Blazquez Sanz, Oscar 1759 | C15 French Defense: Winawer Variation | 1 · mesa 2 |
| 29 jul 2023 | Vicente Montes, Luis Miguel 1736 | 1-0 | Esteban Montero, Natalia | D00 Queen's Pawn Game: Accelerated London System | 1 · mesa 3 |
| 29 jul 2023 | Flores Garcia, Hugo | 0-1 | Donaire Nieto, Daniel 1627 | B40 Sicilian Defense: French Variation | 1 · mesa 4 |
| 29 jul 2023 | Guerrero Perales, Alfonso 1570 | 1-0 | Gonzalez Gonzalez, Raul | C47 Four Knights Game: Glek System | 1 · mesa 5 |
| 29 jul 2023 | Hermoso Guillen, Felipe | 0-1 | Sanchez Guerrero, Hugo 1510 | B30 Sicilian Defense: Old Sicilian | 1 · mesa 6 |
| 29 jul 2023 | El Merabet, Maimoun 1509 | 1-0 | Jimenez Cuesta, Raul | C44 Ponziani Opening: Jaenisch Counterattack | 1 · mesa 7 |
| 29 jul 2023 | Lancho Mogollon, Delia | 0-1 | Blanco Barra, Lucas 1416 | C00 French Defense: Two Knights Variation | 1 · mesa 8 |
| 29 jul 2023 | Alamo Casanueva, Daniel 1415 | 1-0 | Leon Martinez, Alvaro | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 1 · mesa 9 |
| 29 jul 2023 | Leon Martinez, Guillermo | 0-1 | Sanchez Martin, Sergio 1395 | B22 Sicilian Defense: Alapin Variation | 1 · mesa 10 |
| 29 jul 2023 | Rocha Martin, Pablo 1332 | 1-0 | Martin Gudiel, Diego | C46 Three Knights Opening | 1 · mesa 11 |
| 29 jul 2023 | Mordvintseva, Daria | 0-1 | Martinez Mateos, Saul 1317 | C57 Italian Game: Two Knights Defense, Ulvestad Variation | 1 · mesa 12 |
| 29 jul 2023 | Martinez Gonzalez, David 1299 | 0-1 | Nieves de la Fuente, Roberto | C41 Philidor Defense: Steinitz Variation | 1 · mesa 13 |
| 29 jul 2023 | Repilado Torres, Zaira | 0-1 | Marquez Margallo, Marcos 1175 | B70 Sicilian Defense: Dragon Variation | 1 · mesa 14 |
| 29 jul 2023 | Iglesias Perez, Carla 1108 | 1-0 | Rivas Fraile, Sergio David | D00 Queen's Pawn Game: Accelerated London System | 1 · mesa 15 |
| 29 jul 2023 | Rocha Martin, Camino | 0-1 | Gonzalez Gil, Daniel 1069 | B51 Sicilian Defense: Moscow Variation | 1 · mesa 16 |
| 29 jul 2023 | Acosta Choursan, Hector | 0-1 | Royo Caballero, Carlos | B00 Nimzowitsch Defense: Scandinavian Variation, Advance Variation | 1 · mesa 17 |
| 29 jul 2023 | Sanchez Guerrero, Carla | 1-0 | Acosta Choursan, Manuel | C50 Italian Game: Giuoco Pianissimo | 1 · mesa 18 |
| 29 jul 2023 | Blanco Barra, Adrian | 1-0 | Solis Sauceda, Javier | C50 Italian Game: Giuoco Pianissimo | 1 · mesa 19 |
| 29 jul 2023 | Vazquez Sancho, Carlos | 1-0 | Chiadmi Gil, Omar | A00 Van't Kruijs Opening | 1 · mesa 20 |
| 29 jul 2023 | Martinez Mateos, Saul 1317 | ½-½ | Campos Rodriguez, Alvaro 1793 | B01 Scandinavian Defense: Modern Variation | 2 · mesa 1 |
| 29 jul 2023 | Blazquez Sanz, Oscar 1759 | 1-0 | Rocha Martin, Pablo 1332 | C54 Italian Game: Classical Variation, Greco Gambit, Modern Line | 2 · mesa 2 |
| 29 jul 2023 | Marquez Margallo, Marcos 1175 | 0-1 | Vicente Montes, Luis Miguel 1736 | B01 Scandinavian Defense: Modern Variation | 2 · mesa 3 |
| 29 jul 2023 | Donaire Nieto, Daniel 1627 | 1-0 | Iglesias Perez, Carla 1108 | A45 Indian Defense: Reversed Chigorin Defense | 2 · mesa 4 |
| 29 jul 2023 | Gonzalez Gil, Daniel 1069 | 0-1 | Guerrero Perales, Alfonso 1570 | B13 Caro-Kann Defense: Exchange Variation | 2 · mesa 5 |
| 29 jul 2023 | Sanchez Guerrero, Hugo 1510 | 1-0 | Blanco Barra, Adrian | B23 Sicilian Defense: Closed | 2 · mesa 6 |
| 29 jul 2023 | Nieves de la Fuente, Roberto | 1-0 | El Merabet, Maimoun 1509 | D30 Queen's Gambit Declined | 2 · mesa 7 |
| 29 jul 2023 | Blanco Barra, Lucas 1416 | 1-0 | Sanchez Guerrero, Carla | E90 King's Indian Defense: Zinnowitz Variation | 2 · mesa 8 |
| 29 jul 2023 | Royo Caballero, Carlos | 0-1 | Alamo Casanueva, Daniel 1415 | C42 Petrov's Defense: Classical Attack | 2 · mesa 9 |
| 29 jul 2023 | Sanchez Martin, Sergio 1395 | 1-0 | Vazquez Sancho, Carlos | A40 Horwitz Defense | 2 · mesa 10 |
| 29 jul 2023 | Jimenez Cuesta, Raul | 0-1 | Martinez Gonzalez, David 1299 | C64 Ruy Lopez: Classical Variation | 2 · mesa 11 |
| 29 jul 2023 | Leon Martinez, Alvaro | 0-1 | Acosta Choursan, Hector | B00 Owen Defense | 2 · mesa 12 |
| 29 jul 2023 | Acosta Choursan, Manuel | 0-1 | Lancho Mogollon, Delia | C47 Four Knights Game: Italian Variation | 2 · mesa 13 |
| 29 jul 2023 | De Vega Trivino, Ricardo | 1-0 | Leon Martinez, Guillermo | C50 Italian Game: Blackburne-Kostić Gambit | 2 · mesa 14 |
| 29 jul 2023 | Martin Gudiel, Diego | 1-0 | Del Riego Alba, Nicolas | C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | 2 · mesa 15 |
| 29 jul 2023 | Esteban Montero, Natalia | ½-½ | Mordvintseva, Daria | D04 Queen's Pawn Game: Colle System, Grünfeld Formation | 2 · mesa 16 |
| 29 jul 2023 | Rivas Fraile, Sergio David | 0-1 | Flores Garcia, Hugo | C61 Ruy Lopez: Bird Variation | 2 · mesa 17 |
| 29 jul 2023 | Gonzalez Gonzalez, Raul | 0-1 | Repilado Torres, Zaira | C48 Four Knights Game: Spanish Variation, Rubinstein Variation Accepted | 2 · mesa 18 |
| 29 jul 2023 | Solis Sauceda, Javier | 1-0 | Hermoso Guillen, Felipe | C50 Italian Game: Paris Defense | 2 · mesa 19 |
| 29 jul 2023 | Sanchez Guerrero, Hugo 1510 | ½-½ | Blazquez Sanz, Oscar 1759 | C01 French Defense: Exchange Variation, Monte Carlo Variation | 3 · mesa 1 |
| 29 jul 2023 | Vicente Montes, Luis Miguel 1736 | 1-0 | Blanco Barra, Lucas 1416 | A40 Horwitz Defense | 3 · mesa 2 |
| 29 jul 2023 | Sanchez Martin, Sergio 1395 | 0-1 | Donaire Nieto, Daniel 1627 | B12 Caro-Kann Defense: Maróczy Variation | 3 · mesa 3 |
| 29 jul 2023 | Guerrero Perales, Alfonso 1570 | 0-1 | Nieves de la Fuente, Roberto | C41 Philidor Defense | 3 · mesa 4 |
| 29 jul 2023 | Campos Rodriguez, Alvaro 1793 | 1-0 | El Merabet, Maimoun 1509 | C51 Italian Game: Evans Gambit, Anderssen Variation, Cordel Line | 3 · mesa 5 |
| 29 jul 2023 | Rocha Martin, Pablo 1332 | 0-1 | Martinez Mateos, Saul 1317 | C44 Ponziani Opening: Jaenisch Counterattack | 3 · mesa 6 |
| 29 jul 2023 | Martinez Gonzalez, David 1299 | 0-1 | Lancho Mogollon, Delia | C50 Italian Game: Rosentreter Gambit | 3 · mesa 7 |
| 29 jul 2023 | Sanchez Guerrero, Carla | 0-1 | Marquez Margallo, Marcos 1175 | B72 Sicilian Defense: Dragon Variation | 3 · mesa 8 |
| 29 jul 2023 | Iglesias Perez, Carla 1108 | 0-1 | Martin Gudiel, Diego | D00 Queen's Pawn Game: Accelerated London System | 3 · mesa 9 |
| 29 jul 2023 | Repilado Torres, Zaira | 1-0 | Gonzalez Gil, Daniel 1069 | B70 Sicilian Defense: Dragon Variation | 3 · mesa 10 |
| 29 jul 2023 | Acosta Choursan, Hector | 1-0 | Rocha Martin, Camino | C55 Italian Game: Two Knights Defense | 3 · mesa 11 |