| 29 abr 2018 | Perez Alvarez, Javier 1843 | Ver la partida ½-½ | BYE | | ronda 2 · mesa 22 |
| 29 abr 2018 | Sanchez Ortega, Ruben 1572 | Ver la partida ½-½ | BYE | | ronda 2 · mesa 23 |
| 29 abr 2018 | Garcia Estebanez, Diego 1171 | Ver la partida ½-½ | BYE | | ronda 2 · mesa 24 |
| 29 abr 2018 | Diaz Guzman, David | Ver la partida ½-½ | BYE | | ronda 2 · mesa 25 |
| 29 abr 2018 | Martinez-Paul Exposito, Ignacio Jesus | Ver la partida ½-½ | BYE | | ronda 2 · mesa 26 |
| 29 abr 2018 | Martinez-Paul Exposito, Santiago Javier | Ver la partida ½-½ | BYE | | ronda 2 · mesa 27 |
| 6 may 2018 | Martinez Alvarez, Manuel J. 1709 | Ver la partida 0-1 | Lozano Suarez, Luis Miguel 2142 | A30 English Opening: Symmetrical Variation | ronda 3 · mesa 1 |
| 6 may 2018 | Bellod Thomas, Gonzalo 1645 | Ver la partida 0-1 | Campos Calvo-Sotelo, Javier 2024 | E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | ronda 3 · mesa 2 |
| 6 may 2018 | Deben Gayo, Javier 1643 | Ver la partida 0-1 | Sanz Uson, Manuel 2070 | A80 Dutch Defense | ronda 3 · mesa 3 |
| 6 may 2018 | Gomez Escurin, Jose Manuel 1345 | Ver la partida 0-1 | Coca Gradin, Jesus 1589 | C50 Italian Game: Giuoco Pianissimo | ronda 3 · mesa 4 |
| 6 may 2018 | Collantes Suarez, Ramon 1543 | Ver la partida 1-0 | Collantes Ruiz, Paula | C49 Four Knights Game: Spanish Variation, Double Spanish | ronda 3 · mesa 5 |
| 6 may 2018 | Pinto Santamaria, Oscar 1537 | Ver la partida 0-1 | Del Castillo Izquierdo, Jose | B52 Sicilian Defense: Moscow Variation, Main Line | ronda 3 · mesa 6 |
| 6 may 2018 | Collantes Ruiz, Adrian | Ver la partida 0-1 | El Khoury Favilla de Paula, Michel 1469 | C46 Three Knights Opening | ronda 3 · mesa 7 |
| 6 may 2018 | Olias Rincon, Raul 1330 | Ver la partida 0-1 | Perez Alvarez, Javier 1843 | C02 French Defense: Advance Variation, Main Line | ronda 3 · mesa 8 |
| 6 may 2018 | Lozano Hernanz, Rodrigo 1194 | Ver la partida 1-0 | Alfaya Martinez, Enrique 1582 | B50 Sicilian Defense: Modern Variations | ronda 3 · mesa 9 |
| 6 may 2018 | Criado Jimenez, Jose 1567 | Ver la partida 0-1 | Medina Balenciaga, Patricio 1412 | C41 Philidor Defense | ronda 3 · mesa 10 |
| 6 may 2018 | Olias Rincon, Diego | Ver la partida 0-1 | Fernandez Diaz, Ricardo 1522 | B10 Caro-Kann Defense: Two Knights Attack | ronda 3 · mesa 11 |
| 6 may 2018 | Paarup Pelaez, David | Ver la partida 0-1 | Rodenas Riesco, Alfonso 1495 | C00 French Defense: Knight Variation | ronda 3 · mesa 12 |
| 6 may 2018 | Barbas, Fernando 1490 | Ver la partida 1-0 | Solanilla Olcese, Ada | C51 Italian Game: Evans Gambit | ronda 3 · mesa 13 |
| 6 may 2018 | Luque Sanz, Victor | Ver la partida 1-0 | Garcia Estebanez, Diego 1171 | C34 King's Gambit Accepted: Schallopp Defense | ronda 3 · mesa 14 |
| 6 may 2018 | Diaz Guzman, David | Ver la partida 0-1 | Martinez-Paul Exposito, Ignacio Jesus | C50 Italian Game | ronda 3 · mesa 15 |
| 6 may 2018 | Sanchez Pina, Damian | Ver la partida 1-0 | Garcia-Rayo Escalada, Guillermo | C68 Ruy Lopez: Exchange Variation | ronda 3 · mesa 16 |
| 6 may 2018 | Garcia-Rayo Escalada, Marcos | Ver la partida 0-1 | Martinez-Paul Exposito, Santiago Javier | C28 Vienna Game: Stanley Variation, Three Knights Variation | ronda 3 · mesa 17 |
| 6 may 2018 | Solanilla Olcese, Alejandro | Ver la partida 0-1 | Salomone Merello, Stelvio 1392 | B00 Owen Defense | ronda 3 · mesa 18 |
| 6 may 2018 | Diez Cuarental, Luis 1231 | Ver la partida 1-0 | Sanchez Marquez, Diego 1150 | C57 Italian Game: Two Knights Defense, Fried Liver Attack | ronda 3 · mesa 19 |
| 6 may 2018 | Rodriguez Garcia, Alberto 1770 | Ver la partida ½-½ | BYE | | ronda 3 · mesa 20 |
| 6 may 2018 | Bujosa Del Rio, Diego 1175 | Ver la partida ½-½ | BYE | | ronda 3 · mesa 21 |
| 6 may 2018 | Martinez Zurita, Enrique | Ver la partida ½-½ | BYE | | ronda 3 · mesa 22 |
| 6 may 2018 | Sanchez Villodres, Mario | Ver la partida ½-½ | BYE | | ronda 3 · mesa 23 |
| 6 may 2018 | Bermudez Valles, Juan Alejandro 1345 | Ver la partida ½-½ | BYE | | ronda 3 · mesa 24 |
| 6 may 2018 | Sanchez Ortega, Ruben 1572 | Ver la partida 0-1 | BYE | | ronda 3 · mesa 25 |
| 13 may 2018 | Lozano Suarez, Luis Miguel 2142 | Ver la partida 1-0 | Campos Calvo-Sotelo, Javier 2024 | A20 English Opening: Drill Variation | ronda 4 · mesa 1 |
| 13 may 2018 | Sanz Uson, Manuel 2070 | Ver la partida 1-0 | Collantes Suarez, Ramon 1543 | C65 Ruy Lopez: Berlin Defense | ronda 4 · mesa 2 |
| 13 may 2018 | Rodriguez Garcia, Alberto 1770 | Ver la partida 1-0 | Del Castillo Izquierdo, Jose | E32 Nimzo-Indian Defense: Classical Variation | ronda 4 · mesa 3 |
| 13 may 2018 | El Khoury Favilla de Paula, Michel 1469 | Ver la partida 0-1 | Martinez Alvarez, Manuel J. 1709 | A10 English Opening: Anglo-Dutch Defense | ronda 4 · mesa 4 |
| 13 may 2018 | Perez Alvarez, Javier 1843 | Ver la partida 1-0 | Lozano Hernanz, Rodrigo 1194 | C68 Ruy Lopez: Exchange Variation | ronda 4 · mesa 5 |
| 13 may 2018 | Fernandez Diaz, Ricardo 1522 | Ver la partida ½-½ | Bellod Thomas, Gonzalo 1645 | D48 Semi-Slav Defense: Meran Variation | ronda 4 · mesa 6 |
| 13 may 2018 | Medina Balenciaga, Patricio 1412 | Ver la partida ½-½ | Deben Gayo, Javier 1643 | B40 Sicilian Defense: French Variation, Normal | ronda 4 · mesa 7 |
| 13 may 2018 | Luque Sanz, Victor | Ver la partida 1-0 | Pinto Santamaria, Oscar 1537 | | ronda 4 · mesa 8 |
| 13 may 2018 | Martinez-Paul Exposito, Ignacio Jesus | Ver la partida 1-0 | Bujosa Del Rio, Diego 1175 | | ronda 4 · mesa 9 |
| 13 may 2018 | Martinez-Paul Exposito, Santiago Javier | Ver la partida 0-1 | Collantes Ruiz, Adrian | C57 Italian Game: Two Knights Defense, Ulvestad Variation | ronda 4 · mesa 10 |
| 13 may 2018 | Alfaya Martinez, Enrique 1582 | Ver la partida 1-0 | Olias Rincon, Diego | A40 Horwitz Defense | ronda 4 · mesa 11 |
| 13 may 2018 | Sanchez Ortega, Ruben 1572 | Ver la partida 1-0 | Paarup Pelaez, David | A54 Old Indian Defense: Tartakower-Indian | ronda 4 · mesa 12 |
| 13 may 2018 | Martinez Zurita, Enrique | Ver la partida 0-1 | Criado Jimenez, Jose 1567 | B08 Pirc Defense: Classical Variation | ronda 4 · mesa 13 |
| 13 may 2018 | Salomone Merello, Stelvio 1392 | Ver la partida 1-0 | Sanchez Villodres, Mario | C44 Scotch Game | ronda 4 · mesa 14 |
| 13 may 2018 | Solanilla Olcese, Ada | Ver la partida 0-1 | Olias Rincon, Raul 1330 | C30 King's Gambit | ronda 4 · mesa 15 |
| 13 may 2018 | Garcia Estebanez, Diego 1171 | Ver la partida ½-½ | Solanilla Olcese, Alejandro | C35 King's Gambit Accepted: Cunningham Defense | ronda 4 · mesa 16 |
| 13 may 2018 | Garcia-Rayo Escalada, Guillermo | Ver la partida 0-1 | Diaz Guzman, David | C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | ronda 4 · mesa 17 |
| 13 may 2018 | Garcia-Rayo Escalada, Marcos | Ver la partida 1-0 | BYE | | ronda 4 · mesa 18 |
| 13 may 2018 | Coca Gradin, Jesus 1589 | Ver la partida ½-½ | BYE | | ronda 4 · mesa 19 |