| Sep 26, 2023 | Nelson Eduardo Alvarez Angel | * | Andres Jeronimo Zapata Montoya | Round 8: Nelson Eduardo Alvarez Angel - Andres Jeronimo Zapata Montoya | King's Indian Defense: Four Pawns Attack | |
| Sep 26, 2023 | Jhon Edison Munoz Galvez | 0–1 | Nelson Eduardo Alvarez Angel | Round 5: Jhon Edison Munoz Galvez - Nelson Eduardo Alvarez Angel | Torre Attack: Classical Defense | |
| Sep 26, 2023 | Nelson Eduardo Alvarez Angel | 0–1 | Juan Manuel Diaz Larrea | Round 3: Nelson Eduardo Alvarez Angel - Juan Manuel Diaz Larrea | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 26, 2023 | Nelson Eduardo Alvarez Angel | * | Juan Sebastian Rico Duran | Round 2: Nelson Eduardo Alvarez Angel - Juan Sebastian Rico Duran | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 26, 2023 | Juan Sebastian Rico Duran | 0–1 | Nelson Eduardo Alvarez Angel | Round 1: Juan Sebastian Rico Duran - Nelson Eduardo Alvarez Angel | ? | |
| Sep 25, 2023 | Jhon Edison Munoz Galvez | 1–0 | Nelson Eduardo Alvarez Angel | Round 5: Jhon Edison Munoz Galvez - Nelson Eduardo Alvarez Angel | ? | |
| Sep 24, 2023 | Nelson Eduardo Alvarez Angel | 0–1 | Esteban Alberto Valderrama Quiceno | XXX Juegos Universitarios Nacionales ASCUN 2023 Ajedrez Clasico Absoluto. | Pirc Defense: Austrian Attack, Weiss Variation | |
| Sep 24, 2023 | Pablo Esteban Salcedo Perez | 0–1 | Nelson Eduardo Alvarez Angel | Round 3: Pablo Esteban Salcedo Perez - Nelson Eduardo Alvarez Angel | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 23, 2023 | Nelson Eduardo Alvarez Angel | 1–0 | Cesar Luis Gonzalez Gutierrez | Round 2: Nelson Eduardo Alvarez Angel - Cesar Luis Gonzalez Gutierrez | King's Indian Defense: Accelerated Averbakh Variation | |
| Sep 23, 2023 | Santiago Martinez Nanez | * | Nelson Eduardo Alvarez Angel | Round 1: Santiago Martinez Nanez - Nelson Eduardo Alvarez Angel | Sicilian Defense: Godiva Variation | |
| Jul 23, 2023 | Anderson Ramirez Ramirez | 0–1 | Nelson Eduardo Alvarez Angel | Round 10: Anderson Ramirez Ramirez - Nelson Eduardo Alvarez Angel | Alekhine Defense: Exchange Variation | |
| Jul 23, 2023 | Nelson Eduardo Alvarez Angel | * | Manuela Hernandez Bermudez | Round 9: Nelson Eduardo Alvarez Angel - Manuela Hernandez Bermudez | Grünfeld Defense: Stockholm Variation | |
| Jul 22, 2023 | Jhoan Sebastian Olarte Parra | ½–½ | Nelson Eduardo Alvarez Angel | Round 8: Jhoan Sebastian Olarte Parra - Nelson Eduardo Alvarez Angel | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Jul 22, 2023 | Nelson Eduardo Alvarez Angel | 1–0 | Gildardo Molina | Round 7: Nelson Eduardo Alvarez Angel - Gildardo Molina | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Jul 21, 2023 | Laura Camila Velez Alvarez | 0–1 | Nelson Eduardo Alvarez Angel | Round 6: Laura Camila Velez Alvarez - Nelson Eduardo Alvarez Angel | Sicilian Defense: Godiva Variation | |
| Jul 21, 2023 | Nelson Eduardo Alvarez Angel | 1–0 | Vladimir Acuna Romero | Round 5: Nelson Eduardo Alvarez Angel - Vladimir Acuna Romero | King's Indian Defense: Four Pawns Attack | |
| Jul 20, 2023 | Jordan Fabian Vizcaya Robles | 0–1 | Nelson Eduardo Alvarez Angel | Round 4: Jordan Fabian Vizcaya Robles - Nelson Eduardo Alvarez Angel | Sicilian Defense: Closed | |
