| 1 feb 2018 | Aragon Pena, Andres J. 1813 | ½-½ | Rodriguez Lopez, David 2044 | C47 Four Knights Game: Scotch Variation, Schmid Defense | 1 · mesa 1 |
| 1 feb 2018 | Andrade Sandoval, Jim Carlos 1971 | 1-0 | Jimenez Gonzalez, Marcos 1806 | D02 Queen's Pawn Game: Zukertort Variation | 1 · mesa 2 |
| 1 feb 2018 | Tirado Parra, Alberto 1804 | 1-0 | Cuellar Gutierrez, Raul 1965 | | 1 · mesa 3 |
| 1 feb 2018 | Cabanas Bravo, Juan Andres 1954 | 1-0 | Marquez Leon, Juan A. 1740 | B60 Sicilian Defense: Richter-Rauzer Variation | 1 · mesa 4 |
| 1 feb 2018 | Ochoa Gonzalez, Hugo 1650 | 0-1 | Rojas Pozo, Jose Luis 1952 | C78 Ruy Lopez: Morphy Defense | 1 · mesa 5 |
| 1 feb 2018 | Vukotic Jovsic, Dragan 1948 | ½-½ | Castro Uceda, Jose Antonio 1622 | D02 Queen's Pawn Game: London System | 1 · mesa 6 |
| 1 feb 2018 | Galarreta Santana, Javier 1619 | 0-1 | Anton Quevedo, Andrea 1940 | B40 Sicilian Defense: Delayed Alapin Variation, with e6 | 1 · mesa 7 |
| 1 feb 2018 | Garcia Prados, David 1919 | 1-0 | Alameda Arellano, Cristeto 1616 | B10 Caro-Kann Defense: Breyer Variation | 1 · mesa 8 |
| 1 feb 2018 | Santos Rodriguez, Jose 1582 | 0-1 | Garcia Serrano, Jose Manuel 1919 | D07 Queen's Gambit Declined: Chigorin Defense | 1 · mesa 9 |
| 1 feb 2018 | Cardena Contreras, Javier 1907 | 1-0 | Farinas Lucas, Juan Antonio 1548 | B32 Sicilian Defense: Löwenthal Variation | 1 · mesa 10 |
| 1 feb 2018 | Pareja Cerrato, Antonio 1533 | 0-1 | Barragan Arriaza, Pablo 1884 | | 1 · mesa 11 |
| 1 feb 2018 | Lopez Ziegler, Carlos 1881 | 1-0 | Parral Puerta, Carlos 1527 | C09 French Defense: Tarrasch Variation, Open System, Main Line | 1 · mesa 12 |
| 1 feb 2018 | Martinez Pascual, Gonzalo 1406 | ½-½ | Gil Sierra, Jacinto 1879 | A40 Horwitz Defense | 1 · mesa 13 |
| 1 feb 2018 | Tarrio Ocana, Jose Manuel 1869 | 1-0 | Olmos Rodriguez, Arcadio 1391 | B13 Caro-Kann Defense: Exchange Variation | 1 · mesa 14 |
| 1 feb 2018 | Palacios Sanchez, Victor 1387 | 0-1 | Corral Aragon, Juan Maria 1852 | B12 Caro-Kann Defense: Advance Variation, Short Variation | 1 · mesa 15 |
| 1 feb 2018 | Andrade Sandoval, Bianca 1850 | 1-0 | Sierra Garcia, Ricardo 1380 | D02 Queen's Pawn Game: London System, with e6 | 1 · mesa 16 |
| 1 feb 2018 | Martin Rodriguez, Jose Luis 1300 | 0-1 | Marin Aso, Jose Luis 1837 | A34 English Opening: Symmetrical Variation, Rubinstein Variation | 1 · mesa 17 |
| 1 feb 2018 | Garcia Herranz, Jesus 1837 | 0-1 | Rojas Fernandez, Antonio 1247 | | 1 · mesa 18 |
| 1 feb 2018 | Amati, Franco | 0-1 | Cano Mercado, Francisco Manuel 1819 | A57 Benko Gambit | 1 · mesa 19 |
| 1 feb 2018 | Garcia Guitian, Angel 1816 | 1-0 | Ortega Sanchez, Carlos | A29 English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | 1 · mesa 20 |
| 2 feb 2018 | Corral Aragon, Juan Maria 1852 | 0-1 | Cabanas Bravo, Juan Andres 1954 | C80 Ruy Lopez: Open | 2 · mesa 1 |
| 2 feb 2018 | Rojas Pozo, Jose Luis 1952 | 1-0 | Tarrio Ocana, Jose Manuel 1869 | D43 Semi-Slav Defense | 2 · mesa 2 |
| 2 feb 2018 | Anton Quevedo, Andrea 1940 | 0-1 | Andrade Sandoval, Bianca 1850 | B41 Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | 2 · mesa 3 |
| 2 feb 2018 | Marin Aso, Jose Luis 1837 | 0-1 | Garcia Prados, David 1919 | | 2 · mesa 4 |
| 2 feb 2018 | Garcia Serrano, Jose Manuel 1919 | 1-0 | Garcia Guitian, Angel 1816 | B21 Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation | 2 · mesa 5 |
| 2 feb 2018 | Tirado Parra, Alberto 1804 | 1-0 | Cardena Contreras, Javier 1907 | A03 Bird Opening: Dutch Variation | 2 · mesa 6 |
| 2 feb 2018 | Barragan Arriaza, Pablo 1884 | 1-0 | Rojas Fernandez, Antonio 1247 | A20 English Opening: King's English Variation | 2 · mesa 7 |
| 2 feb 2018 | Cano Mercado, Francisco Manuel 1819 | 0-1 | Vukotic Jovsic, Dragan 1948 | A31 English Opening: Symmetrical Variation, Anti-Benoni Variation | 2 · mesa 8 |
| 2 feb 2018 | Rodriguez Lopez, David 2044 | 1-0 | Martinez Pascual, Gonzalo 1406 | B17 Caro-Kann Defense: Karpov Variation | 2 · mesa 9 |
| 2 feb 2018 | Gil Sierra, Jacinto 1879 | 1-0 | Aragon Pena, Andres J. 1813 | B89 Sicilian Defense: Velimirovic Attack | 2 · mesa 10 |
| 2 feb 2018 | Castro Uceda, Jose Antonio 1622 | 1-0 | Cuellar Gutierrez, Raul 1965 | C01 French Defense: Exchange Variation | 2 · mesa 11 |
| 2 feb 2018 | Farinas Lucas, Juan Antonio 1548 | 0-1 | Baeza Escudero, Javier 1884 | C14 French Defense: Classical Variation, Pollock Variation | 2 · mesa 12 |
| 2 feb 2018 | Jimenez Gonzalez, Marcos 1806 | 1-0 | Palacios Sanchez, Victor 1387 | E00 Catalan Opening | 2 · mesa 13 |
| 2 feb 2018 | Marquez Leon, Juan A. 1740 | 1-0 | Martin Rodriguez, Jose Luis 1300 | E21 Nimzo-Indian Defense: Three Knights Variation | 2 · mesa 14 |
| 2 feb 2018 | Parral Puerta, Carlos 1527 | 0-1 | Ochoa Gonzalez, Hugo 1650 | E80 King's Indian Defense: Sämisch Variation | 2 · mesa 15 |
| 2 feb 2018 | Olmos Rodriguez, Arcadio 1391 | 0-1 | Galarreta Santana, Javier 1619 | A17 English Opening: Anglo-Indian Defense, Hedgehog System | 2 · mesa 16 |
| 2 feb 2018 | Alameda Arellano, Cristeto 1616 | 1-0 | Amati, Franco | A45 Indian Defense: Accelerated London System | 2 · mesa 17 |
| 2 feb 2018 | Sierra Garcia, Ricardo 1380 | 0-1 | Santos Rodriguez, Jose 1582 | B84 Sicilian Defense: Scheveningen Variation, Classical Variation | 2 · mesa 18 |
| 2 feb 2018 | Ortega Sanchez, Carlos | 1-0 | BYE | | 2 · mesa 19 |
| 3 feb 2018 | Cabanas Bravo, Juan Andres 1954 | 0-1 | Barragan Arriaza, Pablo 1884 | C30 King's Gambit Declined: Classical Variation | 3 · mesa 1 |
| 3 feb 2018 | Rojas Pozo, Jose Luis 1952 | 1-0 | Tirado Parra, Alberto 1804 | C41 Philidor Defense: Lion Variation | 3 · mesa 2 |
| 3 feb 2018 | Andrade Sandoval, Bianca 1850 | ½-½ | Garcia Prados, David 1919 | A46 Indian Defense: London System | 3 · mesa 3 |
| 3 feb 2018 | Castro Uceda, Jose Antonio 1622 | 0-1 | Garcia Serrano, Jose Manuel 1919 | C77 Ruy Lopez: Morphy Defense, Anderssen Variation | 3 · mesa 4 |
| 3 feb 2018 | Vukotic Jovsic, Dragan 1948 | ½-½ | Rodriguez Lopez, David 2044 | D02 Queen's Pawn Game: London System | 3 · mesa 5 |
| 3 feb 2018 | Cardena Contreras, Javier 1907 | ½-½ | Gil Sierra, Jacinto 1879 | B89 Sicilian Defense: Sozin Attack, Main Line | 3 · mesa 6 |
| 3 feb 2018 | Garcia Guitian, Angel 1816 | 0-1 | Andrade Sandoval, Jim Carlos 1971 | A15 English Opening: Anglo-Indian Defense, King's Knight Variation | 3 · mesa 7 |
| 3 feb 2018 | Ochoa Gonzalez, Hugo 1650 | 0-1 | Anton Quevedo, Andrea 1940 | B44 Sicilian Defense: Taimanov Variation | 3 · mesa 8 |
| 3 feb 2018 | Baeza Escudero, Javier 1884 | 1-0 | Jimenez Gonzalez, Marcos 1806 | B12 Caro-Kann Defense: Advance Variation, Short Variation | 3 · mesa 9 |
| 3 feb 2018 | Galarreta Santana, Javier 1619 | 0-1 | Lopez Ziegler, Carlos 1881 | B40 Sicilian Defense: Delayed Alapin Variation, with e6 | 3 · mesa 10 |
| 3 feb 2018 | Tarrio Ocana, Jose Manuel 1869 | ½-½ | Marquez Leon, Juan A. 1740 | B23 Sicilian Defense: Closed | 3 · mesa 11 |