| 8 mar 2021 | Gonzalez Rivera, Eduardo 1999 | 1-0 | Lopez Heras, Arturo 1750 | B90 Sicilian Defense: Najdorf Variation, Lipnitsky Attack | 1 · mesa 1 |
| 8 mar 2021 | Urena Castellanos, Antonio 1647 | 0-1 | Cabanas Bravo, Juan Andres 1922 | C60 Ruy Lopez | 1 · mesa 2 |
| 8 mar 2021 | Martin Garcia, Luis I 1860 | 1-0 | Ghavami, Mahmoud 1525 | B01 Scandinavian Defense: Modern Variation | 1 · mesa 3 |
| 8 mar 2021 | Salgado Duarte, Pablo 1471 | ½-½ | Barahona Torrijos, Angel 1842 | D35 Queen's Gambit Declined: Normal Defense | 1 · mesa 4 |
| 8 mar 2021 | Pashov, Spas Nikolov 1819 | 1-0 | Infante Martin, Alonso 1389 | C44 Ponziani Opening: Jaenisch Counterattack | 1 · mesa 5 |
| 8 mar 2021 | Perales Hernandez, Manuel 1331 | 0-1 | Fernandez Garcia, Ignacio 1804 | C01 French Defense: Exchange Variation | 1 · mesa 6 |
| 8 mar 2021 | Ortiz Landeira, Jose Antonio 1759 | 1-0 | Plaza Plaza, Prudencio 1270 | A17 English Opening: Anglo-Indian Defense, Hedgehog System | 1 · mesa 7 |
| 9 mar 2021 | Fernandez Garcia, Ignacio 1804 | 0-1 | Gonzalez Rivera, Eduardo 1999 | C47 Four Knights Game | 2 · mesa 1 |
| 9 mar 2021 | Cabanas Bravo, Juan Andres 1922 | 1-0 | Pashov, Spas Nikolov 1819 | C20 King's Pawn Game: MacLeod Attack | 2 · mesa 2 |
| 9 mar 2021 | Perez Ramos, Miguel Angel 1153 | 0-1 | Martin Garcia, Luis I 1860 | A28 English Opening: Four Knights System, Nimzowitsch Variation | 2 · mesa 3 |
| 9 mar 2021 | Barahona Torrijos, Angel 1842 | 0-1 | Ortiz Landeira, Jose Antonio 1759 | D02 Queen's Pawn Game: Zukertort Variation | 2 · mesa 4 |
| 9 mar 2021 | Lopez Heras, Arturo 1750 | 1-0 | Salgado Duarte, Pablo 1471 | D02 Queen's Pawn Game: Symmetrical Variation | 2 · mesa 5 |
| 9 mar 2021 | Plaza Plaza, Prudencio 1270 | 0-1 | Urena Castellanos, Antonio 1647 | A45 Indian Defense: Accelerated London System | 2 · mesa 6 |
| 9 mar 2021 | Ghavami, Mahmoud 1525 | 1-0 | Perales Hernandez, Manuel 1331 | A40 Horwitz Defense | 2 · mesa 7 |
| 9 mar 2021 | Infante Martin, Alonso 1389 | 1-0 | Garcia Granja, Jose | D07 Queen's Gambit Declined: Chigorin Defense | 2 · mesa 8 |
| 10 mar 2021 | Gonzalez Rivera, Eduardo 1999 | 1-0 | Martin Garcia, Luis I 1860 | C07 French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line | 3 · mesa 1 |
| 10 mar 2021 | Ortiz Landeira, Jose Antonio 1759 | 0-1 | Cabanas Bravo, Juan Andres 1922 | A10 English Opening: Anglo-Scandinavian Defense | 3 · mesa 2 |
| 10 mar 2021 | Pashov, Spas Nikolov 1819 | 1-0 | Ghavami, Mahmoud 1525 | B01 Scandinavian Defense: Modern Variation, Gipslis Variation | 3 · mesa 3 |
| 10 mar 2021 | Urena Castellanos, Antonio 1647 | 0-1 | Fernandez Garcia, Ignacio 1804 | B09 Pirc Defense: Austrian Attack | 3 · mesa 4 |
| 10 mar 2021 | Lopez Heras, Arturo 1750 | 1-0 | Perez Ramos, Miguel Angel 1153 | B15 Caro-Kann Defense | 3 · mesa 5 |
| 10 mar 2021 | Salgado Duarte, Pablo 1471 | 0-1 | Infante Martin, Alonso 1389 | A53 Old Indian Defense: Czech Variation, with Nc3 | 3 · mesa 6 |
| 10 mar 2021 | Perales Hernandez, Manuel 1331 | 0-1 | Barahona Torrijos, Angel 1842 | C20 King's Pawn Game: Wayward Queen Attack | 3 · mesa 7 |
| 10 mar 2021 | Garcia Granja, Jose | 0-1 | Plaza Plaza, Prudencio 1270 | A17 English Opening: Anglo-Indian Defense, Hedgehog System | 3 · mesa 8 |
| 11 mar 2021 | Cabanas Bravo, Juan Andres 1922 | ½-½ | Gonzalez Rivera, Eduardo 1999 | C55 Italian Game: Two Knights Defense | 4 · mesa 1 |
| 11 mar 2021 | Martin Garcia, Luis I 1860 | ½-½ | Lopez Heras, Arturo 1750 | B97 Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted | 4 · mesa 2 |
| 11 mar 2021 | Fernandez Garcia, Ignacio 1804 | 0-1 | Pashov, Spas Nikolov 1819 | C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | 4 · mesa 3 |
| 11 mar 2021 | Infante Martin, Alonso 1389 | 0-1 | Ortiz Landeira, Jose Antonio 1759 | D31 Queen's Gambit Declined: Queen's Knight Variation | 4 · mesa 4 |
| 11 mar 2021 | Barahona Torrijos, Angel 1842 | 1-0 | Urena Castellanos, Antonio 1647 | A45 Trompowsky Attack | 4 · mesa 5 |
| 11 mar 2021 | Ghavami, Mahmoud 1525 | 1-0 | Perez Ramos, Miguel Angel 1153 | D05 Queen's Pawn Game: Colle System | 4 · mesa 6 |
| 11 mar 2021 | Plaza Plaza, Prudencio 1270 | 0-1 | Salgado Duarte, Pablo 1471 | D00 Queen's Pawn Game: Accelerated London System | 4 · mesa 7 |
| 11 mar 2021 | Garcia Granja, Jose | 0-1 | Perales Hernandez, Manuel 1331 | A21 English Opening: King's English Variation, Reversed Sicilian | 4 · mesa 8 |
| 12 mar 2021 | Gonzalez Rivera, Eduardo 1999 | 1-0 | Pashov, Spas Nikolov 1819 | C44 Scotch Game: Scotch Gambit, Advance Variation | 5 · mesa 1 |
| 12 mar 2021 | Lopez Heras, Arturo 1750 | 0-1 | Cabanas Bravo, Juan Andres 1922 | | 5 · mesa 2 |
| 12 mar 2021 | Ortiz Landeira, Jose Antonio 1759 | 1-0 | Martin Garcia, Luis I 1860 | A22 English Opening: King's English Variation, Two Knights Variation | 5 · mesa 3 |
| 12 mar 2021 | Fernandez Garcia, Ignacio 1804 | 1-0 | Barahona Torrijos, Angel 1842 | C47 Four Knights Game: Italian Variation | 5 · mesa 4 |
| 12 mar 2021 | Infante Martin, Alonso 1389 | 0-1 | Ghavami, Mahmoud 1525 | A52 Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation | 5 · mesa 5 |
| 12 mar 2021 | Perez Ramos, Miguel Angel 1153 | 0-1 | Salgado Duarte, Pablo 1471 | A00 Saragossa Opening | 5 · mesa 6 |
| 12 mar 2021 | Perales Hernandez, Manuel 1331 | 1-0 | Plaza Plaza, Prudencio 1270 | C02 French Defense: Advance Variation | 5 · mesa 7 |
| 12 mar 2021 | Urena Castellanos, Antonio 1647 | ½-½ | Garcia Granja, Jose | E11 Bogo-Indian Defense: Grünfeld Variation | 5 · mesa 8 |
| 15 mar 2021 | Ortiz Landeira, Jose Antonio 1759 | 0-1 | Gonzalez Rivera, Eduardo 1999 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | 6 · mesa 1 |
| 15 mar 2021 | Ghavami, Mahmoud 1525 | 0-1 | Cabanas Bravo, Juan Andres 1922 | A23 English Opening: King's English Variation, Two Knights Variation, Keres Variation | 6 · mesa 2 |
| 15 mar 2021 | Pashov, Spas Nikolov 1819 | 1-0 | Lopez Heras, Arturo 1750 | B84 Sicilian Defense: Scheveningen Variation, Classical Variation | 6 · mesa 3 |
| 15 mar 2021 | Salgado Duarte, Pablo 1471 | 0-1 | Fernandez Garcia, Ignacio 1804 | A43 Benoni Defense: Old Benoni | 6 · mesa 4 |
| 15 mar 2021 | Martin Garcia, Luis I 1860 | 0-1 | Barahona Torrijos, Angel 1842 | C64 Ruy Lopez: Classical Variation | 6 · mesa 5 |
| 15 mar 2021 | Urena Castellanos, Antonio 1647 | 1-0 | Perales Hernandez, Manuel 1331 | C00 French Defense: Normal Variation | 6 · mesa 6 |
| 15 mar 2021 | Plaza Plaza, Prudencio 1270 | ½-½ | Infante Martin, Alonso 1389 | A45 Indian Defense: Accelerated London System | 6 · mesa 7 |
| 15 mar 2021 | Garcia Granja, Jose | 0-1 | Perez Ramos, Miguel Angel 1153 | A16 English Opening: Anglo-Indian Defense, Queen's Knight Variation | 6 · mesa 8 |
| 16 mar 2021 | Cabanas Bravo, Juan Andres 1922 | 1-0 | Fernandez Garcia, Ignacio 1804 | B00 Nimzowitsch Defense: Kennedy Variation | 7 · mesa 1 |
| 16 mar 2021 | Barahona Torrijos, Angel 1842 | ½-½ | Gonzalez Rivera, Eduardo 1999 | C49 Four Knights Game: Spanish Variation, Double Spanish | 7 · mesa 2 |
| 16 mar 2021 | Pashov, Spas Nikolov 1819 | ½-½ | Ortiz Landeira, Jose Antonio 1759 | B32 Sicilian Defense: Löwenthal Variation | 7 · mesa 3 |