| 5 feb 2018 | De La Horra Del Barco,Ricardo 1999 | 0-1 | Tapia Sanchez,Jose Manuel 1687 | | 1 · mesa 1 |
| 5 feb 2018 | Marivela Santos,Juan Carlos 1686 | 1-0 | Vazquez Gonzalez,Jesus 1985 | A29 English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | 1 · mesa 2 |
| 5 feb 2018 | Alvarez Abejon,Amilcar 1958 | 1-0 | Martinez Pintor,Juan 1670 | C03 French Defense: Tarrasch Variation, Morozevich Variation | 1 · mesa 3 |
| 5 feb 2018 | Ballesteros Cudero,Juan Carlos 1660 | ½-½ | Andalon Gomez,Carlos J 1935 | B12 Caro-Kann Defense: Advance Variation, Van der Wiel Attack, Dreyev Defense | 1 · mesa 4 |
| 5 feb 2018 | Ruiz Quevedo,Andres 1917 | 1-0 | Gonzalez Recas,Fernando 1643 | A05 King's Indian Attack | 1 · mesa 5 |
| 5 feb 2018 | Moreno Uribarri,Miguel 1626 | 0-1 | Camarero Izquierdo,Juan Carlos 1915 | B90 Sicilian Defense: Najdorf Variation, Lipnitsky Attack | 1 · mesa 6 |
| 5 feb 2018 | Marcos Herrero,Francisco 1914 | 1-0 | Rodriguez Bachiller,Luis 1622 | A34 English Opening: Symmetrical Variation, Three Knights Variation | 1 · mesa 7 |
| 5 feb 2018 | Martinez Carrasco,Jesus 1620 | 0-1 | Perez Diez,Victor 1912 | A85 Dutch Defense: Queen's Knight Variation | 1 · mesa 8 |
| 5 feb 2018 | Rosa Ramirez,Victor D. 1907 | 1-0 | Martinez Miura,Enrique 1618 | C02 French Defense: Advance Variation | 1 · mesa 9 |
| 5 feb 2018 | Martinez Gallardo,Javier 1617 | 0-1 | Fernandez Garcia,Ignacio 1851 | C02 French Defense: Advance Variation | 1 · mesa 10 |
| 5 feb 2018 | Lopez Heras,Arturo 1849 | ½-½ | Marcelo De La Mata,Daniel 1609 | B32 Sicilian Defense: Löwenthal Variation | 1 · mesa 11 |
| 5 feb 2018 | Bellagamba,Pascal 1605 | 0-1 | Esteban Amo,Jose M. 1847 | A05 Zukertort Opening: Nimzo-Larsen Variation | 1 · mesa 12 |
| 5 feb 2018 | Santamaria Baeza,Adolfo 1846 | ½-½ | Martinez Martinez,Javier Ii 1601 | C55 Italian Game: Two Knights Defense, Modern Bishop's Opening | 1 · mesa 13 |
| 5 feb 2018 | Ramos Antona,Enrique 1587 | 0-1 | Bermejo Redondo,Oscar 1828 | A50 Indian Defense: Normal Variation | 1 · mesa 14 |
| 5 feb 2018 | Osorio Ramos,Francisco 1821 | 1-0 | Osuna Osuna,Francisco 1566 | D08 Queen's Gambit Declined: Albin Countergambit | 1 · mesa 15 |
| 5 feb 2018 | Dominguez Afonso,Ayraldo 1561 | 0-1 | Garcia Gonzalez,Pedro A. 1821 | C89 Ruy Lopez: Marshall Attack, Modern Main Line | 1 · mesa 16 |
| 5 feb 2018 | Rueda Maria,Ramiro 1820 | 1-0 | Caravantes Camacho,Fernando 1551 | E67 King's Indian Defense: Fianchetto Variation, Debrecen Defense | 1 · mesa 17 |
| 5 feb 2018 | Gortazar Rubial,Javier Maria 1543 | 1-0 | Fernandez Aransay,Fernando 1811 | | 1 · mesa 18 |
| 5 feb 2018 | Hernandez Gutierrez,Jose 1804 | 1-0 | Salgado Duarte,Pablo 1530 | D12 Slav Defense: Quiet Variation, Schallopp Defense | 1 · mesa 19 |
| 5 feb 2018 | Alises Fontecha,Juan 1515 | 1-0 | Carrasco Coquillat,Alvaro 1801 | B06 Modern Defense: Standard Defense | 1 · mesa 20 |
| 5 feb 2018 | De Luna Butz,Alberto 1799 | 1-0 | Beekhof Harmsen,Willen 1514 | A31 English Opening: Symmetrical Variation, Anti-Benoni Variation | 1 · mesa 21 |
| 5 feb 2018 | Navas Marin,Felix 1504 | 0-1 | Martinez Aragon,Aitor 1786 | A46 Indian Defense: London System | 1 · mesa 22 |
| 5 feb 2018 | Martin-Consuegra Barrilero,Javi 1785 | 1-0 | Ojosnegros Martin,Angel 1490 | A45 Indian Defense: Accelerated London System | 1 · mesa 23 |
| 5 feb 2018 | Gonzalez Pinar,Adrian 1487 | 1-0 | Jimenez Garcia Rodrigo 1783 | A13 English Opening: Agincourt Defense | 1 · mesa 24 |
| 5 feb 2018 | Valencia De Loma,Sergio 1775 | 1-0 | Santiago Garcia,Jorge 1483 | B20 Sicilian Defense | 1 · mesa 25 |
| 5 feb 2018 | Mora Agudo,Jose 1480 | ½-½ | Perez Cameselle,Francisco 1773 | E60 King's Indian Defense: Normal Variation, King's Knight Variation | 1 · mesa 26 |
| 5 feb 2018 | Hernandez Garcia,Carlos 1769 | 1-0 | Enriquez Pastor,Jorge 1468 | B12 Caro-Kann Defense: Advance Variation, Short Variation | 1 · mesa 27 |
| 5 feb 2018 | Martin Garcia,Francisco Javier 1461 | 0-1 | Yeves Miquel,Enrique 1762 | | 1 · mesa 28 |
| 5 feb 2018 | Caamano Jimenez,Luis 1746 | 1-0 | Rufo Yebra,Benito 1409 | D07 Queen's Gambit Declined: Chigorin Defense | 1 · mesa 29 |
| 5 feb 2018 | Perez De Las Penas,Jorge Ivan 1354 | 0-1 | Corredor Gonzalez,Angel L. 1745 | | 1 · mesa 30 |
| 5 feb 2018 | Carrasco Coquillat,Jorge 1726 | 1-0 | Perales Hernandez,Manuel 1345 | A11 English Opening: Caro-Kann Defensive System | 1 · mesa 31 |
| 5 feb 2018 | Diaz Del Prado,Carlos 1302 | ½-½ | De La Fuente Ebro,Miguel 1712 | D02 Queen's Pawn Game: London System, with e6 | 1 · mesa 32 |
| 5 feb 2018 | Lizon Martinez,Santiago 1710 | 1-0 | Perez Ramos,Miguel Angel 1164 | C65 Ruy Lopez: Berlin Defense, Beverwijk Variation | 1 · mesa 33 |
| 5 feb 2018 | Fernandez Sanchez,Jose M. 1144 | 0-1 | Jimenez Jimenez,Darfo 1708 | A05 Zukertort Opening | 1 · mesa 34 |
| 5 feb 2018 | Lopez Orellana,Federico 1702 | 1-0 | Mantecon Soto,Fernando | A40 Horwitz Defense | 1 · mesa 35 |
| 5 feb 2018 | Alvarez Rodriguez,Amilcar | 0-1 | Ramos Garcia,Raul 1700 | D02 Queen's Pawn Game: London System, with e6 | 1 · mesa 36 |
| 5 feb 2018 | De Dompablo Fantova,Juan 1688 | ½-½ | Martinez Munoz,Rafael | A08 King's Indian Attack: Sicilian Variation | 1 · mesa 37 |
| 6 feb 2018 | Martin-Consuegra Barrilero,Javi 1785 | ½-½ | Alvarez Abejon,Amilcar 1958 | D02 Queen's Pawn Game: London System, with e6 | 2 · mesa 1 |
| 6 feb 2018 | Jimenez Garcia Rodrigo 1783 | 0-1 | Ruiz Quevedo,Andres 1917 | E11 Bogo-Indian Defense: Grünfeld Variation | 2 · mesa 2 |
| 6 feb 2018 | Camarero Izquierdo,Juan Carlos 1915 | 1-0 | Valencia De Loma,Sergio 1775 | D01 Richter-Veresov Attack | 2 · mesa 3 |
| 6 feb 2018 | Hernandez Garcia,Carlos 1769 | 0-1 | Marcos Herrero,Francisco 1914 | | 2 · mesa 4 |
| 6 feb 2018 | Perez Diez,Victor 1912 | 1-0 | Caamano Jimenez,Luis 1746 | B26 Sicilian Defense: Closed | 2 · mesa 5 |
| 6 feb 2018 | Yeves Miquel,Enrique 1762 | 0-1 | Rosa Ramirez,Victor D. 1907 | A17 English Opening: Anglo-Indian Defense, Hedgehog System | 2 · mesa 6 |
| 6 feb 2018 | Fernandez Garcia,Ignacio 1851 | ½-½ | Carrasco Coquillat,Jorge 1726 | B50 Sicilian Defense: Modern Variations | 2 · mesa 7 |
| 6 feb 2018 | Esteban Amo,Jose M. 1847 | 1-0 | Lizon Martinez,Santiago 1710 | B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined | 2 · mesa 8 |
| 6 feb 2018 | Corredor Gonzalez,Angel L. 1745 | 1-0 | Osorio Ramos,Francisco 1821 | B23 Sicilian Defense: Closed | 2 · mesa 9 |
| 6 feb 2018 | Garcia Gonzalez,Pedro A. 1821 | 0-1 | Lopez Orellana,Federico 1702 | D02 Queen's Pawn Game: Zukertort Variation | 2 · mesa 10 |
| 6 feb 2018 | Ramos Garcia,Raul 1700 | ½-½ | Rueda Maria,Ramiro 1820 | E90 King's Indian Defense: Normal Variation, Rare Defenses | 2 · mesa 11 |
| 6 feb 2018 | Tapia Sanchez,Jose Manuel 1687 | 1-0 | Hernandez Gutierrez,Jose 1804 | B12 Caro-Kann Defense: Advance Variation, Van der Wiel Attack | 2 · mesa 12 |
| 6 feb 2018 | Gortazar Rubial,Javier Maria 1543 | 0-1 | De Luna Butz,Alberto 1799 | C00 French Defense: King's Indian Attack | 2 · mesa 13 |