| 25 abr 2015 | Miralles Larraza, Faustino | 0-1 | Guijarro Galan, Jose Luis 2199 | D02 Queen's Pawn Game: London System, with e6 | 1 · mesa 1 |
| 25 abr 2015 | Segovia Sanchez, Antonio 2093 | 1-0 | Corral Gutierrez, Aitor | D00 Queen's Pawn Game: Accelerated London System | 1 · mesa 2 |
| 25 abr 2015 | Zuloaga Erauskin, Markel 1625 | 1-0 | Pinilla Santibanez, Roberto 2026 | D05 Queen's Pawn Game: Colle System | 1 · mesa 3 |
| 25 abr 2015 | Galarza Cenzano, Inigo 2024 | 1-0 | Muriel Dominguez, Mariano 1601 | B00 Nimzowitsch Defense | 1 · mesa 4 |
| 25 abr 2015 | Moreno Estebanez, Patxi 1592 | 0-1 | Abalia Patino, Aritz 1998 | C00 French Defense: Chigorin Variation | 1 · mesa 5 |
| 25 abr 2015 | Miguelez Garcia, Erlantz 1946 | 1-0 | Uranga Odriozola, Inaki | D53 Queen's Gambit Declined | 1 · mesa 6 |
| 25 abr 2015 | Belosillo Perez, Sergio | 0-1 | Cejudo Urdampilleta, Jose Manuel 1936 | C02 French Defense: Advance Variation, Paulsen Attack | 1 · mesa 7 |
| 25 abr 2015 | Esnaola Gaston, Fernando 1912 | 1-0 | Armendariz Olalla, Sebastian 1584 | C03 French Defense: Tarrasch Variation, Morozevich Variation | 1 · mesa 8 |
| 25 abr 2015 | Bremont, Antoine 1577 | 0-1 | Izagirre Alsua, Aritz 1908 | A28 English Opening: Four Knights System, Nimzowitsch Variation | 1 · mesa 9 |
| 25 abr 2015 | Sanchez Ruesga, Carlos 1902 | 1-0 | Belosillo Perez, Alberto | B33 Sicilian Defense: Open | 1 · mesa 10 |
| 25 abr 2015 | Reguillaga Elias, Manex 1571 | 0-1 | Bello Castano, Diego 1901 | D10 Slav Defense | 1 · mesa 11 |
| 25 abr 2015 | Martin Iribar, Ander 1886 | 1-0 | Manterola Ubillos, Josu 1552 | E09 Catalan Opening: Closed, Main Line | 1 · mesa 12 |
| 2 may 2015 | Guijarro Galan, Jose Luis 2199 | 1-0 | Puga Senar, Fernando 1796 | C02 French Defense: Advance Variation, Main Line | 2 · mesa 1 |
| 2 may 2015 | Alfaro Garcia del Cerro, Juan L 1802 | 0-1 | Segovia Sanchez, Antonio 2093 | A97 Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Winter Variation | 2 · mesa 2 |
| 2 may 2015 | Moreau, David | ½-½ | Galarza Cenzano, Inigo 2024 | A21 English Opening: King's English Variation, Kramnik-Shirov Counterattack | 2 · mesa 3 |
| 2 may 2015 | Abalia Patino, Aritz 1998 | 1-0 | Cantabrana Garona, Alejandro 1773 | B06 Modern Defense | 2 · mesa 4 |
| 2 may 2015 | Regillaga Otano, Jon 1765 | 0-1 | Miguelez Garcia, Erlantz 1946 | E21 Nimzo-Indian Defense: Three Knights Variation | 2 · mesa 5 |
| 2 may 2015 | Cejudo Urdampilleta, Jose Manuel 1936 | ½-½ | Zubia Aramburu, Mikel 1757 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | 2 · mesa 6 |
| 2 may 2015 | Bravo Corral, Ibilkor | ½-½ | Esnaola Gaston, Fernando 1912 | D36 Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | 2 · mesa 7 |
| 2 may 2015 | Izagirre Alsua, Aritz 1908 | 1-0 | Markina Amutxastegi, Fernando 1741 | B06 Modern Defense: Standard Defense | 2 · mesa 8 |
| 2 may 2015 | Lertxundi Azpiazu, Jon 1668 | 0-1 | Sanchez Ruesga, Carlos 1902 | B23 Sicilian Defense: Closed | 2 · mesa 9 |
| 2 may 2015 | Bello Castano, Diego 1901 | 1-0 | Erdozio Gaitan, Inaki 1671 | A05 Zukertort Opening: Nimzo-Larsen Variation | 2 · mesa 10 |
| 2 may 2015 | Iturralde Prieto, Juan Cruz 1651 | 0-1 | Martin Iribar, Ander 1886 | E12 Queen's Indian Defense | 2 · mesa 11 |
| 2 may 2015 | Rodriguez Cabrera, Fco. Javier 1869 | 1-0 | Urcelay Crucelaegui, Zigor | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 2 · mesa 12 |
| 9 may 2015 | Martin Iribar, Ander 1886 | 1-0 | Guijarro Galan, Jose Luis 2199 | E06 Catalan Opening: Closed | 3 · mesa 1 |
| 9 may 2015 | Segovia Sanchez, Antonio 2093 | 1-0 | Rodriguez Cabrera, Fco. Javier 1869 | A85 Dutch Defense: Queen's Knight Variation | 3 · mesa 2 |
| 9 may 2015 | Berdote Alonso, Carlos 1866 | 0-1 | Abalia Patino, Aritz 1998 | A05 Zukertort Opening: Double Fianchetto Attack | 3 · mesa 3 |
| 9 may 2015 | Miguelez Garcia, Erlantz 1946 | ½-½ | Diez Viera, Oscar 1842 | E04 Catalan Opening: Open Defense | 3 · mesa 4 |
| 9 may 2015 | Zuloaga Erauskin, Markel 1625 | 1-0 | Izagirre Alsua, Aritz 1908 | D05 Queen's Pawn Game: Colle System, Traditional Colle | 3 · mesa 5 |
| 9 may 2015 | Sanchez Ruesga, Hector 2099 | 1-0 | Moreau, David | E69 King's Indian Defense: Fianchetto Variation, Classical Main Line | 3 · mesa 6 |
| 9 may 2015 | Lakunza Oyarbide, Juan Carlos 2092 | 1-0 | Zubia Aramburu, Mikel 1757 | D48 Semi-Slav Defense: Meran Variation | 3 · mesa 7 |
| 9 may 2015 | Vargas Drechsler, Carlos 1835 | 1-0 | Galarza Cenzano, Inigo 2024 | B18 Caro-Kann Defense: Classical Variation | 3 · mesa 8 |
| 9 may 2015 | Garmendia Diaz, Xabier | 0-1 | Cejudo Urdampilleta, Jose Manuel 1936 | D30 Queen's Gambit Declined: Traditional Variation | 3 · mesa 9 |
| 9 may 2015 | Esnaola Gaston, Fernando 1912 | 1-0 | Alberdi Jauregi, Eneko | C06 French Defense: Tarrasch Variation, Closed Variation, Main Line | 3 · mesa 10 |
| 9 may 2015 | Tholey, Jean-Paul 1851 | 1-0 | Bravo Corral, Ibilkor | D19 Slav Defense: Czech Variation, Dutch Variation | 3 · mesa 11 |
| 9 may 2015 | Prieto Aranguren, Alain 2181 | 1-0 | Armendariz Olalla, Sebastian 1584 | E92 King's Indian Defense: Petrosian Variation, Stein Defense | 3 · mesa 12 |
| 16 may 2015 | Martin Iribar, Ander 1886 | 0-1 | Segovia Sanchez, Antonio 2093 | E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | 4 · mesa 1 |
| 16 may 2015 | Lakunza Oyarbide, Juan Carlos 2092 | ½-½ | Zuloaga Erauskin, Markel 1625 | E05 Catalan Opening: Open Defense, Classical Line | 4 · mesa 2 |
| 16 may 2015 | Bello Castano, Diego 1901 | 0-1 | Sanchez Ruesga, Hector 2099 | A06 Nimzo-Larsen Attack: Classical Variation | 4 · mesa 3 |
| 16 may 2015 | Cejudo Urdampilleta, Jose Manuel 1936 | 0-1 | Tholey, Jean-Paul 1851 | D89 Grünfeld Defense: Exchange Variation, Sokolsky Variation | 4 · mesa 4 |
| 16 may 2015 | Diez Viera, Oscar 1842 | ½-½ | Esnaola Gaston, Fernando 1912 | B23 Sicilian Defense: Closed, Korchnoi Defense | 4 · mesa 5 |
| 16 may 2015 | Vargas Drechsler, Carlos 1835 | 0-1 | Prieto Aranguren, Alain 2181 | E60 King's Indian Defense: Normal Variation, King's Knight Variation | 4 · mesa 6 |
| 16 may 2015 | Guijarro Galan, Jose Luis 2199 | 1-0 | Cantabrana Garona, Alejandro 1773 | B06 Modern Defense: Pseudo-Austrian Attack | 4 · mesa 7 |
| 16 may 2015 | Izagirre Alsua, Aritz 1908 | 1-0 | Arocena Uria, Jaime 1692 | B24 Sicilian Defense: Closed, Fianchetto Variation | 4 · mesa 8 |
| 16 may 2015 | Rodriguez Cabrera, Fco. Javier 1869 | ½-½ | Erdozio Gaitan, Inaki 1671 | C24 Bishop's Opening: Berlin Defense | 4 · mesa 9 |
| 16 may 2015 | Izquierdo Arruferia, Joseba 1857 | 1-0 | Urcelay Crucelaegui, Zigor | C03 French Defense: Tarrasch Variation | 4 · mesa 11 |
| 16 may 2015 | Fuente San Sebastian, Ernesto 1842 | 0-1 | Moreno Estebanez, Patxi 1592 | A01 Nimzo-Larsen Attack: Modern Variation | 4 · mesa 12 |
| 23 may 2015 | Sanchez Ruesga, Hector 2099 | 1-0 | Segovia Sanchez, Antonio 2093 | E10 Indian Defense: Anti-Nimzo-Indian | 5 · mesa 1 |
| 23 may 2015 | Abalia Patino, Aritz 1998 | 0-1 | Zuloaga Erauskin, Markel 1625 | C00 French Defense: Chigorin Variation | 5 · mesa 2 |
| 23 may 2015 | Tholey, Jean-Paul 1851 | 0-1 | Guijarro Galan, Jose Luis 2199 | A40 Horwitz Defense | 5 · mesa 3 |