| 29 ago 2026 | Almeida Quintana, Omar 2457 | 1-0 | Del Rey, Diego 2285 | E10 Blumenfeld Countergambit Accepted | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 9 · mesa 7 |
| 28 ago 2026 | Del Rey, Diego 2285 | 1-0 | Medal Paves, Jose Maria 1975 | A46 Torre Attack: Classical Defense | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 8 · mesa 14 |
| 27 ago 2026 | Sumets, Andrey 2490 | 1-0 | Del Rey, Diego 2285 | A15 English Opening: Anglo-Indian Defense, King's Knight Variation | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 7 · mesa 5 |
| 26 ago 2026 | Gonzalez Estevez, Alejandro 1865 | 0-1 | Del Rey, Diego 2285 | C10 French Defense: Paulsen Variation | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 6 · mesa 13 |
| 25 ago 2026 | Del Rey, Diego 2285 | 1-0 | Skutta, Bernd, Dr. 1930 | E60 King's Indian Defense: Normal Variation, King's Knight Variation | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 5 · mesa 20 |
| 24 ago 2026 | Martinez Duany, Lelys Stanley 2445 | 1-0 | Del Rey, Diego 2285 | A41 Rat Defense: English Rat | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 4 · mesa 7 |
| 23 ago 2026 | Lopez Jimenez, Marcos 1873 | 0-1 | Del Rey, Diego 2285 | A41 Rat Defense: English Rat | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 2 · mesa 21 |
| 23 ago 2026 | Del Rey, Diego 2285 | ½-½ | Larkin, Vladyslav 2498 | E11 Bogo-Indian Defense: Grünfeld Variation | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 3 · mesa 4 |
| 22 ago 2026 | Del Rey, Diego 2285 | 1-0 | Medina Sanchez, Gines 1686 | A45 Trompowsky Attack: Borg Variation | VII Torneo Internacional de Ajedrez de San Cristóbal de La Laguna | 1 · mesa 20 |
| 11 ago 2026 | Gilardone, Adriano 2061 | ½-½ | Del Rey, Diego 2285 | A00 Polish Opening | 9th Jugando con las Estrellas 2026 | 6 · mesa 19 |
| 11 ago 2026 | Del Rey, Diego 2285 | 0-1 | Mathieu, Phileas 2404 | E70 King's Indian Defense: Normal Variation | 9th Jugando con las Estrellas 2026 | 7 · mesa 12 |
| 9 ago 2026 | Celma Querol, Carlos 1937 | 0-1 | Del Rey, Diego 2285 | B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 9th Jugando con las Estrellas 2026 | 3 · mesa 19 |
| 9 ago 2026 | Martinez Duany, Lelys Stanley 2445 | 1-0 | Del Rey, Diego 2285 | D11 Slav Defense: Modern Line | 9th Jugando con las Estrellas 2026 | 4 · mesa 7 |
| 31 jul 2026 | Castillo Sanjuan, Alejandro 2103 | 0-1 | Del Rey, Diego 2285 | B10 Caro-Kann Defense | II Open Internacional Ciudad de Vitoria - Gasteiz | 7 · mesa 13 |
| 30 jul 2026 | Lamas Mercadal, Manuel 2194 | 1-0 | Del Rey, Diego 2285 | B46 Sicilian Defense: Taimanov Variation | II Open Internacional Ciudad de Vitoria - Gasteiz | 5 · mesa 13 |
| 30 jul 2026 | Del Rey, Diego 2285 | 1-0 | Tafall Villanueva, Gorka 1935 | A46 Indian Defense: Wade-Tartakower Defense | II Open Internacional Ciudad de Vitoria - Gasteiz | 6 · mesa 18 |
| 29 jul 2026 | Del Rey, Diego 2285 | 0-1 | Cuenca Jimenez, Jose Fernando 2509 | E70 King's Indian Defense: Kramer Variation | II Open Internacional Ciudad de Vitoria - Gasteiz | 4 · mesa 1 |
| 28 jul 2026 | Del Rey, Diego 2285 | 1-0 | Pomares Munoz, Ruben 1948 | E05 Catalan Opening: Open Defense, Classical Line | II Open Internacional Ciudad de Vitoria - Gasteiz | 2 · mesa 13 |
| 28 jul 2026 | Fernandez-Diaz Mascort, Miquel 1983 | 0-1 | Del Rey, Diego 2285 | A10 English Opening | II Open Internacional Ciudad de Vitoria - Gasteiz | 3 · mesa 13 |
| 24 ene 2026 | Del Rey, Diego 2282 | ½-½ | Dunnington, Angus J 2203 | C42 Petrov's Defense: Cozio Attack | Marienbad Open 2026 | IM | 9 · mesa 8 |
| 23 ene 2026 | Neelash Saha 2474 | 1-0 | Del Rey, Diego 2282 | A06 Zukertort Opening | Marienbad Open 2026 | IM | 8 · mesa 8 |
| 22 ene 2026 | Del Rey, Diego 2282 | 0-1 | Avila Bautista, Roberto Alejandro 2315 | B27 Sicilian Defense: Hyperaccelerated Dragon | Marienbad Open 2026 | IM | 7 · mesa 9 |
| 21 ene 2026 | Mostbauer, Florian 2343 | 1-0 | Del Rey, Diego 2282 | A10 English Opening: Great Snake Variation | Marienbad Open 2026 | IM | 6 · mesa 7 |
| 20 ene 2026 | Del Rey, Diego 2282 | 1-0 | Smietanska, Wiktoria 2226 | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | Marienbad Open 2026 | IM | 5 · mesa 10 |
| 19 ene 2026 | Korszanski, Stanislaw 2227 | ½-½ | Del Rey, Diego 2282 | B32 Sicilian Defense: Kalashnikov Variation | Marienbad Open 2026 | IM | 3 · mesa 10 |
| 18 ene 2026 | Del Rey, Diego 2282 | 1-0 | Sliwerski, Radoslaw 2062 | D38 Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | Marienbad Open 2026 | IM | 2 · mesa 7 |
| 17 ene 2026 | Matras, Ondrej 2174 | ½-½ | Del Rey, Diego 2282 | B00 Lion Defense: Lion's Jaw | Marienbad Open 2026 | IM | 1 · mesa 9 |
| 17 ene 2026 | Krzywda, Andrzej 2140 | 0-1 | Del Rey, Diego 2282 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | Marienbad Open 2026 | IM | 4 · mesa 6 |
| 5 dic 2025 | Assylov, Miras 2393 | 1-0 | Del Rey, Diego 2287 | C42 Petrov's Defense: Cozio Attack | XXII Torneo Internacional Gran Hotel Bali Grupo A | 9 · mesa 13 |
| 30 nov 2025 | Ilinca, Felix-Antonio 2429 | 1-0 | Del Rey, Diego 2287 | D17 Slav Defense: Czech Variation, Krause Attack | XXII Torneo Internacional Gran Hotel Bali Grupo A | 3 · mesa 8 |
| 6 jul 2025 | Mellado Trivino, Juan 2301 | 1-0 | Del Rey, Diego 2269 | C17 French Defense: Winawer Variation, Bogoljubow Variation | I Open Internacional Ciudad de Vitoria - Gazteiz | 9 · mesa 2 |
| 5 jul 2025 | Del Rey, Diego 2269 | ½-½ | Ruiz Abad, Juan Manuel 2249 | A46 Indian Defense: Spielmann-Indian | I Open Internacional Ciudad de Vitoria - Gazteiz | 8 · mesa 2 |
| 4 jul 2025 | Morante Rafael, Aritz 2161 | 0-1 | Del Rey, Diego 2269 | B10 Caro-Kann Defense: Apocalypse Attack | I Open Internacional Ciudad de Vitoria - Gazteiz | 7 · mesa 4 |
| 3 jul 2025 | Grieve, Harry 2475 | ½-½ | Del Rey, Diego 2269 | C43 Petrov's Defense: Modern Attack | I Open Internacional Ciudad de Vitoria - Gazteiz | 5 · mesa 1 |
| 3 jul 2025 | Del Rey, Diego 2269 | ½-½ | Martinez Reyes, Pedro Ramon 2361 | D10 Slav Defense: Exchange Variation | I Open Internacional Ciudad de Vitoria - Gazteiz | 6 · mesa 2 |
| 2 jul 2025 | Del Rey, Diego 2269 | 1-0 | Campos Moreno, Javier B. 2392 | B08 Pirc Defense: Classical Variation, Quiet System, Czech Defense | I Open Internacional Ciudad de Vitoria - Gazteiz | 4 · mesa 3 |
| 1 jul 2025 | Del Rey, Diego 2269 | 1-0 | Ghorbanzadeh, Pedram 1832 | A46 Indian Defense: Czech-Indian | I Open Internacional Ciudad de Vitoria - Gazteiz | 2 · mesa 8 |
| 1 jul 2025 | Reguillaga Elias, Manex 2076 | 0-1 | Del Rey, Diego 2269 | A56 Benoni Defense | I Open Internacional Ciudad de Vitoria - Gazteiz | 3 · mesa 7 |
| 30 jun 2025 | Casas Crespo, Ibai 1716 | 0-1 | Del Rey, Diego 2269 | B30 Sicilian Defense: Old Sicilian | I Open Internacional Ciudad de Vitoria - Gazteiz | 1 · mesa 8 |
| 27 mar 2024 | Del Rey, Diego 2286 | ½-½ | Panelo, Marcelo 2366 | A45 Trompowsky Attack | III Magistral Villa de Zahara 2024 | 1 · mesa 2 |
| 27 mar 2024 | Silva, Pedro Gil Ferreira da 2228 | 1-0 | Del Rey, Diego 2286 | C41 Philidor Defense: Lion Variation | III Magistral Villa de Zahara 2024 | 2 · mesa 5 |
| 27 mar 2024 | Del Rey, Diego 2286 | ½-½ | Balbuena Fuentes, Mario 2307 | E12 Queen's Indian Defense: Miles Variation | III Magistral Villa de Zahara 2024 | 3 · mesa 1 |
| 27 mar 2024 | Del Rey, Diego 2286 | 1-0 | Djidjeli, Sarah 2074 | D00 Queen's Pawn Game: Levitsky Attack | III Magistral Villa de Zahara 2024 | 4 · mesa 5 |
| 27 mar 2024 | Gomez Ledo, Roberto Carlos 2416 | 1-0 | Del Rey, Diego 2286 | D02 Queen's Gambit Declined: Baltic Defense, Pseudo-Slav | III Magistral Villa de Zahara 2024 | 5 · mesa 2 |
| 27 mar 2024 | Del Rey, Diego 2286 | 0-1 | Ternault, Mathieu 2299 | A40 Horwitz Defense | III Magistral Villa de Zahara 2024 | 6 · mesa 4 |
| 27 mar 2024 | Kazarian, Anna-Maja 2206 | 0-1 | Del Rey, Diego 2286 | B12 Caro-Kann Defense: Maróczy Variation | III Magistral Villa de Zahara 2024 | 7 · mesa 3 |
| 27 mar 2024 | Del Rey, Diego 2286 | ½-½ | Moral Garcia, Serafin 2223 | A48 Torre Attack: Fianchetto Defense | III Magistral Villa de Zahara 2024 | 8 · mesa 3 |
| 27 mar 2024 | De Seroux, Camille 2084 | ½-½ | Del Rey, Diego 2286 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | III Magistral Villa de Zahara 2024 | 9 · mesa 4 |
| 30 jul 2023 | Del Rey, Diego 2369 | 1-0 | Rodriguez Perez, Raul 1742 | A45 Trompowsky Attack | 12 Festival Internacional de Ajedrez Tabiya Alcoy 2023 - Torneo C BLITZ | 1 · mesa 3 |
| 30 jul 2023 | Sanchez Carayol, Jesus Carlos 2029 | 0-1 | Del Rey, Diego 2369 | B21 Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | 12 Festival Internacional de Ajedrez Tabiya Alcoy 2023 - Torneo C BLITZ | 2 · mesa 3 |