| Dec 28, 2025 | Prieto Aranguren | ½–½ | Perez Mitjans | Round 7: Prieto Aranguren, Alain - Perez Mitjans, Orelvis | Benko Gambit Accepted: King Walk Variation | |
| Dec 27, 2025 | Rodriguez Canovas | 1–0 | Prieto Aranguren | Round 4: Rodriguez Canovas, Elena - Prieto Aranguren, Alain | Catalan Opening: Open Defense, Classical Line | |
| Dec 26, 2025 | Arranz Munoz | ½–½ | Prieto Aranguren | Round 1: Arranz Munoz, Jose Luis - Prieto Aranguren, Alain | King's Indian Attack: French Variation | |
| Dec 19, 2025 | Prieto Aranguren | ½–½ | Pichot | ABSOLUTO_2025 | Nimzo-Indian Defense: Classical Variation | |
| Dec 18, 2025 | Tejedor Fuente | 0–1 | Prieto Aranguren | ABSOLUTO_2025 | Caro-Kann Defense: Two Knights Attack | |
| Dec 17, 2025 | Prieto Aranguren | 1–0 | Vergara Anton | ABSOLUTO_2025 | Queen's Gambit Declined: Westphalian Variation | |
| Dec 16, 2025 | Castillo Dalmau | 0–1 | Prieto Aranguren | ABSOLUTO_2025 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Dec 15, 2025 | Prieto Aranguren | 1–0 | Maldonado Mena | ABSOLUTO_2025 | Slav Defense: Schlechter Variation | |
| Dec 14, 2025 | Marin Ferragut | 1–0 | Prieto Aranguren | ABSOLUTO_2025 | Caro-Kann Defense: Advance Variation | |
| Dec 13, 2025 | Prieto Aranguren | 1–0 | Belmonte Blasco | ABSOLUTO_2025 | Queen's Gambit Declined: Janowski Variation | |
| Dec 12, 2025 | Sierra Vallina | 1–0 | Prieto Aranguren | ABSOLUTO_2025 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Dec 11, 2025 | Prieto Aranguren | 1–0 | Blanco Sanchez | ABSOLUTO_2025 | Dutch Defense: Nimzo-Dutch Variation | |
| Apr 27, 2025 | Suarez Garcia | ½–½ | Prieto Aranguren | Round 7: Suarez Garcia, Carlos 1996 - Prieto Aranguren, Alain | Nimzo-Larsen Attack: Classical Variation | |
| Apr 26, 2025 | Prieto Aranguren | 1–0 | Gonzalez De La Torre | Round 5: Prieto Aranguren, Alain - Gonzalez De La Torre, Santiago | Queen's Gambit Declined: Tartakower Defense, Exchange Variation | |
| Apr 26, 2025 | Ruiz Abad | 0–1 | Prieto Aranguren | Round 6: Ruiz Abad, Juan Manuel - Prieto Aranguren, Alain | Caro-Kann Defense: Advance Variation, Short Variation | |
| Apr 25, 2025 | Alvarez Etxarri | ½–½ | Prieto Aranguren | Round 4: Alvarez Etxarri, Aimar - Prieto Aranguren, Alain | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Apr 24, 2025 | Prieto Aranguren | 0–1 | Sarasketa Irastortza | Round 3: Prieto Aranguren, Alain - Sarasketa Irastortza, Oier | Indian Defense | |
| Apr 24, 2025 | Marquinez Cabrejas | 0–1 | Prieto Aranguren | Round 2: Marquinez Cabrejas, Francisco J. - Prieto Aranguren, Alain | Caro-Kann Defense: Advance Variation, Short Variation | |
| Apr 23, 2025 | Prieto Aranguren | ½–½ | Calleja Gonzalez | Round 1: Prieto Aranguren, Alain - Calleja Gonzalez, Unai | Old Indian Defense: Two Knights Variation | |
| Nov 3, 2024 | Khamrakulov | 1–0 | Prieto Aranguren | XIII OPEN CIUDAD DE ALFARO | Caro-Kann Defense: Panov Attack, Main Line | |
| Nov 2, 2024 | Prieto Aranguren | 1–0 | Sanz Gorospe | XIII OPEN CIUDAD DE ALFARO | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Nov 2, 2024 | Lopez Ruiz | 0–1 | Prieto Aranguren | XIII OPEN CIUDAD DE ALFARO | Catalan Opening: Open Defense, Classical Line | |
| Nov 2, 2024 | Gomez Pastrana | ½–½ | Prieto Aranguren | XIII OPEN CIUDAD DE ALFARO | Caro-Kann Defense: Two Knights Attack | |
| Nov 1, 2024 | Teply Koutsky | ½–½ | Prieto Aranguren | XIII OPEN CIUDAD DE ALFARO | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 31, 2024 | Prieto Aranguren | 1–0 | Barros Pecina | XIII OPEN CIUDAD DE ALFARO | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Aug 17, 2024 | Merario Alarcon | 1–0 | Prieto Aranguren | CE Rapidas | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 17, 2024 | Moreno Tejera | 1–0 | Prieto Aranguren | CE Rapidas | Caro-Kann Defense: Advance Variation | |
| Apr 7, 2024 | Prieto Aranguren | 1–0 | Garbisu de Goni | Round 7: Prieto Aranguren, Alain - Garbisu de Goni, Unai | Dutch Defense: Leningrad Variation, Matulovic Variation | |
| Apr 6, 2024 | Del Rio De Angelis | 1–0 | Prieto Aranguren | Round 6: Del Rio De Angelis, Salvador G. - Prieto Aranguren, Alain | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 6, 2024 | Prieto Aranguren | 1–0 | Ruiz Abad | Round 5: Prieto Aranguren, Alain - Ruiz Abad, Juan Manuel | Semi-Slav Defense: Main Line | |
| Apr 5, 2024 | Alvarez Etxarri | 0–1 | Prieto Aranguren | Round 4: Alvarez Etxarri, Aimar - Prieto Aranguren, Alain | Caro-Kann Defense: Endgame Offer | |
| Apr 4, 2024 | Prieto Aranguren | ½–½ | Tornay Gomez | Round 3: Prieto Aranguren, Alain - Tornay Gomez, Josu | Queen's Gambit Declined | |
| Apr 4, 2024 | Trigo Urquijo | 1–0 | Prieto Aranguren | Round 2: Trigo Urquijo, Sergio - Prieto Aranguren, Alain | Caro-Kann Defense: Two Knights Attack | |
| Apr 3, 2024 | Prieto Aranguren | * | Rodriguez Parra | Round 1: Prieto Aranguren, Alain - Rodriguez Parra, Francisco Javier | ? | |
| Aug 25, 2024 | Prieto Aranguren | 1–0 | Cebrian Flores | Round 9: Prieto Aranguren, Alain - Cebrian Flores, Juan Antonio | Queen's Pawn Game | |
| Aug 24, 2024 | Prieto Aranguren | 1–0 | Alonso Rodriguez | Round 8: Prieto Aranguren, Alain - Alonso Rodriguez, Tristan | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 23, 2024 | Sanchiz Marti | 0–1 | Prieto Aranguren | Round 7: Sanchiz Marti, Josep Miquel - Prieto Aranguren, Alain | Zukertort Opening: Old Indian Attack | |
| Aug 22, 2024 | Prieto Aranguren | 1–0 | Carneiro | Round 6: Prieto Aranguren, Alain - Carneiro, Noah | Queen's Gambit Declined: Janowski Variation | |
| Aug 22, 2024 | Medarde Santiago | ½–½ | Prieto Aranguren | Round 5: Medarde Santiago, Luis Marcos - Prieto Aranguren, Alain | Caro-Kann Defense: Exchange Variation | |
| Aug 21, 2024 | Prieto Aranguren | 1–0 | Roldan Garcia | Round 4: Prieto Aranguren, Alain - Roldan Garcia, Leyre | Queen's Gambit Accepted: Central Variation, Modern Defense | |
| Aug 20, 2024 | Prieto Aranguren | 1–0 | Alcaniz Perez | Round 2: Prieto Aranguren, Alain - Alcaniz Perez, Javier | Benoni Defense | |
| Aug 20, 2024 | Uran Bermudez | 0–1 | Prieto Aranguren | Round 3: Uran Bermudez, Oliver Kevin - Prieto Aranguren, Alain | Queen's Pawn Game: Colle System, Traditional Colle | |
| Aug 19, 2024 | Marques Montolio | 0–1 | Prieto Aranguren | Round 1: Marques Montolio, Luis - Prieto Aranguren, Alain | Caro-Kann Defense: Tartakower Variation | |
| Aug 17, 2023 | Prieto Aranguren | * | Teran Alvarez | CE_Segunda | ? | |
| Aug 16, 2023 | Manas Garcia-Mascaraque | * | Prieto Aranguren | CE_Segunda | ? | |
| Aug 13, 2023 | Stella | 1–0 | Prieto Aranguren | CE_Segunda | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 24, 2021 | Prieto Aranguren | 1–0 | Callier | Braganca Open | ? | |
| Aug 23, 2021 | Ribeiro | 0–1 | Prieto Aranguren | Braganca Open | ? | |
| Aug 22, 2021 | Prieto Aranguren | 0–1 | Leon Valdes | Braganca Open | ? | |
| Aug 22, 2021 | Beerdsen | 1–0 | Prieto Aranguren | Braganca Open | ? | |
| Aug 21, 2021 | Prieto Aranguren | * | Soares | Braganca Open | ? | |
| Aug 21, 2021 | Gomez Aguirre | 0–1 | Prieto Aranguren | Braganca Open | ? | |
| Aug 20, 2021 | Prieto Aranguren | 0–1 | Niemann | Braganca Open | ? | |
| Aug 20, 2021 | Marin | ½–½ | Prieto Aranguren | Braganca Open | Slav Defense: Czech Variation, Dutch Variation | |
| Aug 19, 2021 | Prieto Aranguren | 1–0 | Cavadas | Braganca Open | ? | |
| Jul 25, 2021 | Romero Calduch | ½–½ | Prieto Aranguren | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 24, 2021 | Prieto Aranguren | ½–½ | Rey Martinez | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 23, 2021 | Prieto Aranguren | 1–0 | Moreno Ibanez | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 23, 2021 | Prieto Aranguren | 0–1 | Diaz Velandia | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 22, 2021 | Serarols Mabras | 1–0 | Prieto Aranguren | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 21, 2021 | Prieto Aranguren | 1–0 | Suarez Uriel | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 20, 2021 | Prieto Aranguren | 0–1 | Valmana Canto | Open Valencia Cuna 2021 Torrent | King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line | |
| Jul 20, 2021 | Camison Zornoza | 0–1 | Prieto Aranguren | Open Valencia Cuna 2021 Torrent | ? | |
| Jul 19, 2021 | Domenech Torres | 0–1 | Prieto Aranguren | Open Valencia Cuna 2021 Torrent | ? | |
| — | Prieto Aranguren | 0–1 | Sviridenko | Round 2: Prieto Aranguren, Alain - Sviridenko, Yaroslav | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |