| Jul 27, 2025 | Pacheco Calderon | 0–1 | Zilleruelo Irizarry | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Caro-Kann Defense: Exchange Variation | |
| Jul 26, 2025 | Zilleruelo Irizarry | ½–½ | Diaz Montes | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Sicilian Defense: Old Sicilian | |
| Jul 25, 2025 | Jaquez | 1–0 | Zilleruelo Irizarry | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 25, 2025 | Zilleruelo Irizarry | 1–0 | Morales Santos | II Torneo Internacional de Ajedrez Jose Celso Barbosa | French Defense: Exchange Variation | |
| Jul 23, 2025 | Zilleruelo Irizarry | 0–1 | Carrion Perez | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Horwitz Defense | |
| Jul 23, 2025 | Done Sanchez | 0–1 | Zilleruelo Irizarry | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 21, 2025 | Delgado Ramirez | 1–0 | Zilleruelo Irizarry | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 20, 2025 | Zilleruelo Irizarry | 0–1 | Fellman | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Yusupov-Rubinstein System | |
| Jul 20, 2025 | Zilleruelo Irizarry | 1–0 | Patel | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Rapport-Jobava System | |
| Jul 20, 2025 | Muniz Matta | 0–1 | Zilleruelo Irizarry | II Torneo Internacional de Ajedrez Jose Celso Barbosa | Caro-Kann Defense: Alien Gambit | |
| Apr 19, 2025 | Cardona | 0–1 | Zilleruelo Irizarry | Round 9: Cardona, Juan Ricardo - Zilleruelo Irizarry, Diego | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Apr 18, 2025 | Zilleruelo Irizarry | 0–1 | Martinez Serna | Round 8: Zilleruelo Irizarry, Diego - Martinez Serna, Juan Esteban | Sicilian Defense: Modern Variations | |
| Apr 18, 2025 | Zilleruelo Irizarry | 1–0 | Paladines Pinzon | Round 7: Zilleruelo Irizarry, Diego - Paladines Pinzon, Samuel | Ruy Lopez: Closed | |
| Apr 17, 2025 | Acosta Morales | 0–1 | Zilleruelo Irizarry | Round 6: Acosta Morales, Juan Carlos - Zilleruelo Irizarry, Diego | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Apr 17, 2025 | Gomez Barrero | 1–0 | Zilleruelo Irizarry | Round 5: Gomez Barrero, Sergio - Zilleruelo Irizarry, Diego | Nimzo-Larsen Attack: Classical Variation | |
| Apr 16, 2025 | Zilleruelo Irizarry | 1–0 | Mena Cordoba | Round 4: Zilleruelo Irizarry, Diego - Mena Cordoba, Yamil Octavio | Four Knights Game: Glek System | |
| Apr 15, 2025 | Sepulveda Brango | ½–½ | Zilleruelo Irizarry | Round 3: Sepulveda Brango, Alberto Enrique - Zilleruelo Irizarry, Diego | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Apr 15, 2025 | Zilleruelo Irizarry | 0–1 | Iral Castro | Round 2: Zilleruelo Irizarry, Diego - Iral Castro, Brahiam | Four Knights Game: Glek System | |
| Apr 14, 2025 | Luna | 0–1 | Zilleruelo Irizarry | Round 1: Luna, David Humberto - Zilleruelo Irizarry, Diego | Nimzo-Indian Defense: Classical Variation | |
| Oct 29, 2024 | Almedina Ortiz | ½–½ | Zilleruelo Irizarry | Campeonato Centroamericano y del Caribe Absoluto 2024 | Caro-Kann Defense: Exchange Variation | |
| Oct 28, 2024 | Zilleruelo Irizarry | 1–0 | Torres Otero | Campeonato Centroamericano y del Caribe Absoluto 2024 | French Defense: Chigorin Variation | |
| Oct 28, 2024 | Diaz Montes | 0–1 | Zilleruelo Irizarry | Campeonato Centroamericano y del Caribe Absoluto 2024 | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Oct 27, 2024 | Mesa Mejia | 0–1 | Zilleruelo Irizarry | Campeonato Centroamericano y del Caribe Absoluto 2024 | Queen's Gambit Declined | |
| Oct 25, 2024 | Zilleruelo Irizarry | 0–1 | Johnson | Campeonato Centroamericano y del Caribe Absoluto 2024 | Four Knights Game: Scotch Variation Accepted | |
| Oct 25, 2024 | Allen Medina | 0–1 | Zilleruelo Irizarry | Campeonato Centroamericano y del Caribe Absoluto 2024 | Caro-Kann Defense: Exchange Variation | |
| Oct 24, 2024 | Zilleruelo Irizarry | ½–½ | Sanchez Manzanares | Campeonato Centroamericano y del Caribe Absoluto 2024 | Pirc Defense | |
| Oct 24, 2024 | Rivera Cantu | ½–½ | Zilleruelo Irizarry | Campeonato Centroamericano y del Caribe Absoluto 2024 | Caro-Kann Defense: Two Knights Attack | |
| Oct 23, 2024 | Zilleruelo Irizarry | 1–0 | Paula Valerio | Campeonato Centroamericano y del Caribe Absoluto 2024 | Caro-Kann Defense: Apocalypse Attack | |
| Sep 22, 2024 | Zilleruelo Irizarry | ½–½ | Berend | 45th FIDE Chess Olympiad | Sicilian Defense: Modern Variations | |
| Sep 21, 2024 | Uruci | ½–½ | Zilleruelo Irizarry | 45th FIDE Chess Olympiad | Caro-Kann Defense: Tartakower Variation | |
| Sep 20, 2024 | Zilleruelo Irizarry | ½–½ | Kulpruethanon | 45th FIDE Chess Olympiad | Sicilian Defense: Old Sicilian | |
| Sep 19, 2024 | Zilleruelo Irizarry | 1–0 | Sandiford | 45th FIDE Chess Olympiad | Sicilian Defense: Modern Variations | |
| Sep 16, 2024 | De La Riva Aguado | 1–0 | Zilleruelo Irizarry | 45th FIDE Chess Olympiad | Caro-Kann Defense: Two Knights Attack | |
| Sep 15, 2024 | Zilleruelo Irizarry | 1–0 | Croad | 45th FIDE Chess Olympiad | Nimzo-Indian Defense: Normal Variation | |
| Sep 14, 2024 | Kyaw Zay Ya | ½–½ | Zilleruelo Irizarry | 45th FIDE Chess Olympiad | Caro-Kann Defense: Tartakower Variation | |
| Sep 12, 2024 | Winston Gerald | ½–½ | Zilleruelo Irizarry | 45th FIDE Chess Olympiad | Queen's Gambit Declined | |
| Sep 11, 2024 | Erdogmus | 1–0 | Zilleruelo Irizarry | 45th FIDE Chess Olympiad | Caro-Kann Defense: Advance Variation | |
| Jul 27, 2024 | Plat | 1–0 | Zilleruelo Irizarry | Round 7: Plat, Vojtech - Zilleruelo Irizarry, Diego | Caro-Kann Defense: Endgame Offer | |
| Jul 26, 2024 | Mejias Nunez | ½–½ | Zilleruelo Irizarry | Round 6: Mejias Nunez, Rafael E. - Zilleruelo Irizarry, Diego | Queen's Pawn Game: Accelerated London System | |
| Jul 25, 2024 | Zilleruelo Irizarry | 1–0 | Carrion Perez | Round 5: Zilleruelo Irizarry, Diego - Carrion Perez, Louis E. | French Defense: Chigorin Variation | |
| Jul 25, 2024 | Moscoso Silva | 1–0 | Zilleruelo Irizarry | Round 4: Moscoso Silva, Carlos Antonio - Zilleruelo Irizarry, Diego | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 24, 2024 | Zilleruelo Irizarry | 1–0 | Pagan Schelmetty | Round 3: Zilleruelo Irizarry, Diego - Pagan Schelmetty, Hiram | Alekhine Defense: Scandinavian Variation | |
| Jul 23, 2024 | Nagy | 1–0 | Zilleruelo Irizarry | Round 2: Nagy, Gabor - Zilleruelo Irizarry, Diego | English Opening: Agincourt Defense | |
| Jul 23, 2024 | Nagy | * | Zilleruelo Irizarry | Round 1: Nagy, Gabor - Zilleruelo Irizarry, Diego | ? | |
| Jul 22, 2024 | Zilleruelo Irizarry | 1–0 | Lugo Cruz | Round 1: Zilleruelo Irizarry, Diego - Lugo Cruz, Yahir | French Defense: Classical Variation, Swiss Variation | |
| Jun 2, 2024 | Zilleruelo Irizarry | 0–1 | Ortiz Monsalve | Round 11: Zilleruelo Irizarry, Diego - Ortiz Monsalve, Sebastian | ? | |
| May 31, 2024 | Iral Castro | 1–0 | Zilleruelo Irizarry | Round 10: Iral Castro, Brahiam - Zilleruelo Irizarry, Diego | Queen's Pawn Game: Zukertort Variation | |
| May 30, 2024 | Zilleruelo Irizarry | ½–½ | Mena Cordoba | Round 9: Zilleruelo Irizarry, Diego - Mena Cordoba, Yamil Octavio | Three Knights Opening | |
| May 29, 2024 | Gadea | 0–1 | Zilleruelo Irizarry | Round 8: Gadea, Fernando - Zilleruelo Irizarry, Diego | Rapport-Jobava System | |
| May 28, 2024 | Zilleruelo Irizarry | ½–½ | Duque Vasquez | Round 7: Zilleruelo Irizarry, Diego - Duque Vasquez, David | Rapport-Jobava System | |
| May 27, 2024 | Bustos Acosta | 0–1 | Zilleruelo Irizarry | Round 6: Bustos Acosta, Isauro - Zilleruelo Irizarry, Diego | Queen's Gambit Declined | |
| May 27, 2024 | Zilleruelo Irizarry | 1–0 | Avella Munoz | Round 5: Zilleruelo Irizarry, Diego - Avella Munoz, Andrea | Four Knights Game: Glek System | |
| May 27, 2024 | Ng Mora | 1–0 | Zilleruelo Irizarry | Round 4: Ng Mora, Joshua - Zilleruelo Irizarry, Diego | King's Pawn Game: Dresden Opening | |
| May 27, 2024 | Zilleruelo Irizarry | 1–0 | Diaz Gonzalez | Round 1: Zilleruelo Irizarry, Diego - Diaz Gonzalez, Ana Sofia | Four Knights Game: Glek System | |
| May 27, 2024 | Zilleruelo Irizarry | 0–1 | Reyes Zavaleta | Round 3: Zilleruelo Irizarry, Diego - Reyes Zavaleta, Diego Alexander | Modern Defense: Standard Defense | |
| May 27, 2024 | Meier | 1–0 | Zilleruelo Irizarry | Round 2: Meier, Georg - Zilleruelo Irizarry, Diego | King's Indian Attack | |
| Apr 14, 2024 | Zilleruelo Irizarry | 1–0 | Gonzalez Gonzalez | Round 9: Zilleruelo Irizarry, Diego - Gonzalez Gonzalez, Enoel | Scandinavian Defense: Modern Variation | |
| Apr 13, 2024 | Toro Cruz | ½–½ | Zilleruelo Irizarry | Round 8: Toro Cruz, Sebastian J. - Zilleruelo Irizarry, Diego | Rubinstein Opening: Semi-Slav Defense | |
| Apr 13, 2024 | Zilleruelo Irizarry | 1–0 | Mejias Nunez | Round 7: Zilleruelo Irizarry, Diego - Mejias Nunez, Rafael E. | Rapport-Jobava System | |
| Apr 13, 2024 | Gerena Rivas | 1–0 | Zilleruelo Irizarry | Round 6: Gerena Rivas, Eliam - Zilleruelo Irizarry, Diego | French Defense: Tarrasch Variation, Closed Variation | |
| Apr 12, 2024 | Boggiano Pereira | 0–1 | Zilleruelo Irizarry | Round 5: Boggiano Pereira, Miguel A. - Zilleruelo Irizarry, Diego | Queen's Gambit Declined: Janowski Variation | |
| Apr 7, 2024 | Zilleruelo Irizarry | 1–0 | Sotelo Kohama | Round 4: Zilleruelo Irizarry, Diego - Sotelo Kohama, Daniel | Sicilian Defense: French Variation | |
| Apr 7, 2024 | Rodriguez Santiago | ½–½ | Zilleruelo Irizarry | Round 3: Rodriguez Santiago, Jaime - Zilleruelo Irizarry, Diego | Queen's Gambit Declined | |
| Apr 6, 2024 | Zilleruelo Irizarry | 1–0 | Allen Medina | Round 2: Zilleruelo Irizarry, Diego - Allen Medina, Josue | French Defense: St. George Defense | |
| Apr 6, 2024 | Almedina Ortiz | 1–0 | Zilleruelo Irizarry | Round 1: Almedina Ortiz, Edgardo J. - Zilleruelo Irizarry, Diego | Scotch Game: Potter Variation | |
| Aug 29, 2021 | Zilleruelo Irizarry | 0–1 | Ortiz | Online_Olympiad_Div3_PoolE | Sicilian Defense: Chekhover Variation | |
| Aug 29, 2021 | Khoa | 0–1 | Zilleruelo Irizarry | Online_Olympiad_Div3_PoolE | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Aug 28, 2021 | Anquandah | 0–1 | Zilleruelo Irizarry | Online_Olympiad_Div3_PoolE | Caro-Kann Defense: Classical Variation | |
| Aug 28, 2021 | Tapia | ½–½ | Zilleruelo Irizarry | Online_Olympiad_Div3_PoolE | King's Indian Attack: Symmetrical Defense | |
| Aug 27, 2021 | Zilleruelo Irizarry | 1–0 | Ynojosa Aponte | Online_Olympiad_Div3_PoolE | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 27, 2021 | FMjchristie | 1–0 | Zilleruelo Irizarry | Online_Olympiad_Div3_PoolE | Grünfeld Defense | |
| Aug 22, 2021 | Zilleruelo Irizarry | * | Gontcharov | Online_Olympiad_Div4_PoolE | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Aug 22, 2021 | Zilleruelo Irizarry | 1–0 | Pride | Online_Olympiad_Div4_PoolE | Ruy Lopez: Bird Variation | |
| Aug 22, 2021 | Tracey | 0–1 | Zilleruelo Irizarry | Online_Olympiad_Div4_PoolE | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Aug 22, 2021 | Gabriel | ½–½ | Zilleruelo Irizarry | Online_Olympiad_Div4_PoolE | Caro-Kann Defense: Classical Variation, Main Line | |
| Aug 21, 2021 | Bailey | 0–1 | Zilleruelo Irizarry | Online_Olympiad_Div4_PoolE | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Aug 21, 2021 | Jean Louis | 0–1 | Zilleruelo Irizarry | Online_Olympiad_Div4_PoolE | Caro-Kann Defense: Goldman Variation | |