| 9 may 2020 | Recuero Guerra, Javier 2226 | 1-0 | Garcia Garcia, Samuel 1829 | B70 Sicilian Defense: Dragon Variation | 1 · mesa 1 |
| 9 may 2020 | Maire Garcia, Xabiel | 0-1 | Blazquez Lopez, Berna 2204 | B10 Caro-Kann Defense: Two Knights Attack | 1 · mesa 2 |
| 9 may 2020 | Centron Antuna, Daniel 2181 | 1-0 | Gonzalez Guerra, Xicu 1059 | D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | 1 · mesa 3 |
| 9 may 2020 | Sierra Vallina, Lionel 1645 | 0-1 | Alonso Alvarez, Aitor 2218 | B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | 1 · mesa 4 |
| 9 may 2020 | Garcia Fernandez, Jose Antonio 2004 | 1-0 | Arce Cano, Nicolas 1185 | A45 Indian Defense: Tartakower Attack | 1 · mesa 5 |
| 9 may 2020 | Martinez Lopez, Eduardo 2080 | ½-½ | Alonso Fernandez, Gonzalo 1334 | C42 Petrov's Defense: French Attack | 1 · mesa 6 |
| 9 may 2020 | Cuevas Fernandez, Jose Alberto 2060 | 1-0 | Alvarez Fernandez, Jose Manuel 1554 | D80 Grünfeld Defense: Stockholm Variation | 1 · mesa 7 |
| 9 may 2020 | Caso Huerta, Marcos 1738 | 1-0 | Martinez Fernandez, Jacobo 1801 | C42 Petrov's Defense: Classical Attack | 1 · mesa 8 |
| 9 may 2020 | Colunga Alvarez, Eduardo 1594 | 1-0 | Moran Sanchez, David 1383 | D00 Queen's Pawn Game | 1 · mesa 9 |
| 9 may 2020 | Garcia Suarez, Belarmino 1703 | 0-1 | Quidiello Prado, Manuel Rogelio 2061 | A85 Dutch Defense: Queen's Knight Variation | 1 · mesa 10 |
| 9 may 2020 | Arias Torio, Sergio 1974 | 1-0 | Paz Rodriguez, Pedro Javier 1555 | E49 Nimzo-Indian Defense: Normal Variation, Botvinnik System | 1 · mesa 11 |
| 9 may 2020 | Alvarez Alvarez, Francisco 1426 | 0-1 | Sagrado Crespo, Alvaro 1710 | D00 Queen's Pawn Game: Accelerated London System | 1 · mesa 12 |
| 9 may 2020 | Lanza Garcia, Miguel Angel 1946 | 1-0 | Biempica Marin, Alvaro 1345 | C21 Danish Gambit | 1 · mesa 13 |
| 9 may 2020 | Vega Palacio, Jose Francisco 1469 | 0-1 | Canteli Martinez, Daniel 1974 | B40 Sicilian Defense: Delayed Alapin Variation, with e6 | 1 · mesa 14 |
| 9 may 2020 | Gutierrez Gutierrez, Francisco 1421 | 1-0 | Monge Garcia, Carlos Eloy A. 1783 | B07 King's Pawn Game: Maróczy Defense | 1 · mesa 15 |
| 9 may 2020 | Carrera Casado, Luis Miguel 1290 | 0-1 | Sotelo Luina, Javier 1725 | C00 French Defense: King's Indian Attack | 1 · mesa 16 |
| 9 may 2020 | Alvarez Carrasco, Lazaro 1659 | 1-0 | Ordiz Fernandez, Roque | B50 Sicilian Defense: Modern Variations | 1 · mesa 17 |
| 9 may 2020 | Canel Celemin, Claudia | 0-1 | Suarez Limachi, Ismael 1516 | C48 Four Knights Game: Spanish Variation, Classical Variation | 1 · mesa 18 |
| 9 may 2020 | Mulet Garcia, Luis 1229 | 1-0 | Labra Hovhannisyan, Alex 1223 | D05 Queen's Pawn Game: Colle System | 1 · mesa 19 |
| 9 may 2020 | Vega Caicedo, Daniel 1100 | 0-1 | Paton Alvarez, Ivan 1393 | B30 Sicilian Defense: Old Sicilian | 1 · mesa 20 |
| 9 may 2020 | Lopez Mena, Emilio 1559 | 1-0 | Susacasa Martinez, Nicolas | D20 Queen's Gambit Accepted: Old Variation | 1 · mesa 21 |
| 9 may 2020 | Rodriguez Sierra, Antonio 1534 | 0-1 | Gonzalez Gonzalez, Javier 1365 | B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | 1 · mesa 22 |
| 9 may 2020 | Varela Cano, Hugo 1210 | 1-0 | Alvarez Sanchez, Mauro 1104 | B38 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 1 · mesa 23 |
| 9 may 2020 | Diaz Hevia, Nicolas 1279 | 0-1 | Antuna Pavon, Lucas 1502 | A17 English Opening: Anglo-Indian Defense, Hedgehog System | 1 · mesa 24 |
| 9 may 2020 | Quiros Cueto, Pelayo 2199 | 1-0 | Miguelez Perez, Sergio | C62 Ruy Lopez: Steinitz Defense | 1 · mesa 25 |
| 9 may 2020 | Siscar Conill, Aitor 1296 | 1-0 | Gorostidi Alvarez, Miguel 1211 | B52 Sicilian Defense: Moscow Variation, Main Line | 1 · mesa 26 |
| 9 may 2020 | Lorenzo Alvarez, Luis Emilio 1381 | 1-0 | Fraga Veiguela, David 1166 | B40 Sicilian Defense: Delayed Alapin Variation, with e6 | 1 · mesa 27 |
| 9 may 2020 | Bueno Roza, Mateo | 0-1 | Perez Marin, Francisco 1501 | B30 Sicilian Defense: Old Sicilian | 1 · mesa 28 |
| 9 may 2020 | Alvarez Mesa, Jorge 1395 | 1-0 | Gonzalez Garcia, Lucia | D06 Queen's Gambit Declined: Baltic Defense | 1 · mesa 29 |
| 9 may 2020 | Hovhannisyan Topalyan, Edita | 0-1 | Rodriguez Garcia, Jose Antonio 1842 | B20 Sicilian Defense: Bowdler Attack | 1 · mesa 30 |
| 9 may 2020 | Martinez Hurtado, Manuel 1350 | 1-0 | Gancedo Perez, Alex | D00 Queen's Pawn Game: Stonewall Attack | 1 · mesa 31 |
| 9 may 2020 | Fernandez Martinez, Ricardo 1271 | 1-0 | Mulet Durango, Carolina 1408 | B22 Sicilian Defense: Alapin Variation | 1 · mesa 32 |
| 9 may 2020 | Calvo Diaz, Rafael Martin | 0-1 | Garcia Cueva, Miguel 1194 | B20 Sicilian Defense | 1 · mesa 33 |
| 9 may 2020 | Menendez Perez, Miguel 1346 | 1-0 | Gerecz Hermoza, Ivo | C50 Italian Game: Giuoco Piano | 1 · mesa 34 |
| 9 may 2020 | Alba Obaya, Antonio 1882 | 1-0 | Valeiro Gonzalez, Aitor 1150 | C26 Vienna Game: Stanley Variation, Reversed Spanish | 1 · mesa 35 |
| 9 may 2020 | Muniz Otero, Lucas | 0-1 | Pedreira Garcia, Nicolas 1305 | C01 French Defense: Exchange Variation | 1 · mesa 36 |
| 9 may 2020 | Veira De La Fuente, Bernardo 1635 | 1-0 | Canel Garcia, David | A10 English Opening | 1 · mesa 37 |
| 9 may 2020 | Morilla Morilla, Candido 1817 | 1-0 | Gonzalez Garcia, Jesus 1270 | D21 Queen's Gambit Accepted: Rosenthal Variation | 1 · mesa 38 |
| 9 may 2020 | Martinez Perez, Francisco | 0-1 | Martinez Cimadevilla, Luis 1383 | D06 Queen's Gambit Declined: Marshall Defense | 1 · mesa 39 |
| 9 may 2020 | De Martin Burtseva, Ivan | 0-1 | Garcia Huerta, Enol 1182 | B00 Pirc Defense | 1 · mesa 40 |
| 9 may 2020 | Lopez Naves, Francisco Jose 1699 | 1-0 | Caunedo Alvarez, Miguel 1051 | B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | 1 · mesa 41 |
| 9 may 2020 | Sanchez Vigon, David 2081 | 1-0 | Fernandez Gavrus, Gael | D00 Queen's Pawn Game: Accelerated London System | 1 · mesa 42 |
| 9 may 2020 | Estevez Jacome, Jose Ramon 1984 | 1-0 | Fernandez Gonzalez, Mateo 1200 | B34 Sicilian Defense: Accelerated Dragon, Modern Variation | 1 · mesa 43 |
| 9 may 2020 | Riestra Somoano, Xurde | 0-1 | Ortiz Aroca, Juan 1278 | B20 Sicilian Defense: Bowdler Attack | 1 · mesa 44 |
| 9 may 2020 | Perez Nunez, Saul 2084 | 1-0 | Garcia Garcia, Aida 1458 | C92 Ruy Lopez: Closed, Flohr System | 1 · mesa 45 |
| 9 may 2020 | Carbajal De Las Heras, Jose Fco 1555 | 0-1 | Fernandez Ojanguren, Pelayo 1317 | A48 London System, with Be2 | 1 · mesa 46 |
| 9 may 2020 | Ahmed Harjour, Arabi 1868 | 0-1 | Consuegra Trapiella, Paula | B01 Scandinavian Defense: Modern Variation | 1 · mesa 47 |
| 9 may 2020 | Avila Rodriguez, Luis | 0-1 | Gomez Bello, Raul 1177 | B29 Sicilian Defense: Nimzowitsch Variation, Closed Variation | 1 · mesa 48 |
| 9 may 2020 | Cano Mas, Ignacio Dimas | 0-1 | Sagrado Crespo, Veronica 1382 | B10 Caro-Kann Defense | 1 · mesa 49 |
| 9 may 2020 | Santos Blanco, Jaime | 1-0 | Alonso Agudo, Mario | E48 Nimzo-Indian Defense: Ragozin Defense | 1 · mesa 50 |