| Game | Spielerpaarungen | Erg. | dbkey | Rd | Turnierbezeichnung | PGN | GameID |
| Show | CM Ribeiro, Matheus Mendes Domingues (2136) - FM Melian, Juan Sebastian (2265) | ½-½ | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 | 5044193 |
| Show | FM Amigo Quintana, Antu (2129) - FM Silva, Kaua Marques (2161) | 0-1 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4 | 5044194 |
| Show | Unhold, Valentin (2170) - Varillas Jimenez, Ivan (2051) | ½-½ | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. d4 g6 2. c4 Bg7 3. e4 d6 4. | 5044195 |
| Show | Brito Carrascal, Camilo Andres (1976) - Perez Rojas, Jorge (1970) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. | 5044196 |
| Show | WGM Francisco Guecamburu, Candela Be (2323) - Guarin Fonseca, Nobel Alfredo (1916) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nx | 5044197 |
| Show | CM Ballesteros Cardenas, Leonardo (2169) - Orrego Palermo, Marcelo (1947) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4 | 5044198 |
| Show | Silva, Guilherme Henrique De Mora (2151) - Jimenez Mercado, Julio Esteban (1697) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. e4 e6 2. d4 d5 3. Nd2 b6 4. | 5044199 |
| Show | CM Alvarado Zamora, Albert (2014) - Reyes Zavaleta, Diego Alexander (1798) | ½-½ | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. b3 Nf6 2. Bb2 d5 3. e3 Bf5 | 5044200 |
| Show | Saavedra, Luis Alejandro Quintero - Ressia, Lorenzo (2005) | 0-1 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. d4 Nf6 2. Nf3 d5 3. e3 c5 4 | 5044201 |
| Show | Quiroz Alva, Franco Rodrigo (1957) - Bonilla Viamonte, Diego Armando (1608) | ½-½ | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4 | 5044202 |
| Show | Grams, Leon Honke (1439) - Reyes Zavaleta, Fabian Ricardo (2220) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 | 5044203 |
| Show | Valderrama Castel, Jeffrey Franchesco (1616) - Steiner, Matias (1855) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4 | 5044204 |
| Show | Parrilla, Juan Jose (1834) - Cespedes Alonso, Walter Fabian (1497) | 1-0 | 858334 | 3 | XIX Festival Sul-Americano da Juventude 2023 STD - U18 Absoluto | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4 | 5044205 |