| 30 ago 2026 | Barrientos, Sergio E 2467 | Obregon, Andres Carlos 2506 | 0-1 | E11 Defensa Bogoindia: Retreat Variation | V Panama Chess Open 2026 | 44 | Ver |
| 29 ago 2026 | Diaz Perez, Michel Alejandro 2412 | Barrientos, Sergio E 2467 | 0-1 | E46 Defensa Nimzoindia: Normal Variation | V Panama Chess Open 2026 | 36 | Ver |
| 29 ago 2026 | Barrientos, Sergio E 2467 | Sanchez Alvarez, Roberto Carlos 2345 | 1-0 | B92 Defensa Siciliana: Najdorf Variation, Opocensky Variation | V Panama Chess Open 2026 | 53 | Ver |
| 28 ago 2026 | Espinosa Veloz, Ermes 2468 | Barrientos, Sergio E 2467 | 0-1 | B23 Defensa Siciliana: Closed, Carlsen Variation | V Panama Chess Open 2026 | 43 | Ver |
| 27 ago 2026 | Barrientos, Sergio E 2467 | Miranda Mesa, Elier 2450 | ½-½ | A25 Apertura Inglesa: King's English Variation, Reversed Closed Sicilian | V Panama Chess Open 2026 | 8 | Ver |
| 27 ago 2026 | Figueredo Losada, Leonel 2297 | Barrientos, Sergio E 2467 | ½-½ | B50 Defensa Siciliana: Modern Variations | V Panama Chess Open 2026 | 27 | Ver |
| 27 ago 2026 | Barrientos, Sergio E 2467 | Tapia Ostolaza, Alexei 2188 | 1-0 | B40 Defensa Siciliana: French Variation | V Panama Chess Open 2026 | 44 | Ver |
| 26 ago 2026 | Hernandez Placeres, Ronald 2060 | Barrientos, Sergio E 2467 | 0-1 | B10 Defensa Caro-Kann: Two Knights Attack | V Panama Chess Open 2026 | 51 | Ver |
| 9 ago 2026 | Valderrama Quiceno, Esteban Alb 2392 | Barrientos, Sergio E 2467 | ½-½ | A22 Apertura Inglesa: King's English Variation, Adhiban Gambit | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 21 | Ver |
| 9 ago 2026 | Barrientos, Sergio E 2467 | Jimenez Jimenez, Leandro 2213 | 1-0 | C83 Apertura Española (Ruy López): Open, Classical Defense | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 80 | Ver |
| 8 ago 2026 | Araujo Sanchez, Josue 2299 | Barrientos, Sergio E 2467 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 69 | Ver |
| 7 ago 2026 | Barrientos, Sergio E 2467 | Soto, Cristian Camilo 2109 | 1-0 | B45 Defensa Siciliana: Four Knights Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 59 | Ver |
| 7 ago 2026 | Ynojosa Aponte, Felix Jose 2396 | Barrientos, Sergio E 2467 | 1-0 | A22 Apertura Inglesa: King's English Variation, Two Knights Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 58 | Ver |
| 5 ago 2026 | Barrientos, Sergio E 2467 | Castro Lombana, Juan Pablo 2183 | 1-0 | C17 Defensa Francesa: Winawer Variation, Bogoljubow Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 55 | Ver |
| 5 ago 2026 | Michelen Rodriguez, Victor Isaac 2141 | Barrientos, Sergio E 2467 | 0-1 | A36 Apertura Inglesa: Symmetrical Variation, Botvinnik System | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 50 | Ver |
| 5 ago 2026 | Barrientos, Sergio E 2467 | Torres, Jorge Emilio 2087 | 1-0 | B10 Defensa Caro-Kann: Accelerated Panov Attack, Open Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 41 | Ver |
| 5 ago 2026 | Leon Acevedo, Juan Alejandro 2008 | Barrientos, Sergio E 2467 | 0-1 | E81 Defensa India de Rey: Sämisch Variation, Sämisch Gambit | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 27 | Ver |
| 12 jul 2026 | Londono Lopez, Donaldo 2157 | Barrientos, Sergio E 2414 | 0-1 | B45 Defensa Siciliana: Four Knights Variation, Cobra Variation | Colombia Campeonato Nacional de Mayores | Rápido | Absoluto | 36 | Ver |
| 12 jul 2026 | Barrientos, Sergio E 2414 | Soto, Cristian Camilo 2230 | ½-½ | B40 Defensa Siciliana: French Variation | Colombia Campeonato Nacional de Mayores | Rápido | Absoluto | 63 | Ver |
| 12 jul 2026 | Lopez Rayo, Santiago 2359 | Barrientos, Sergio E 2414 | 1-0 | B42 Defensa Siciliana: Kan Variation, Polugaevsky Variation | Colombia Campeonato Nacional de Mayores | Rápido | Absoluto | 39 | Ver |