| 19 jul 2026 | Barria Arbunic, Manuel 2015 | Miranda Camus, Joaquin Ignacio 2305 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Prins Attack | XIII Open de Lebu 2026 | 60 | Ver |
| 18 jul 2026 | Coro, Lucas 2404 | Barria Arbunic, Manuel 2015 | 1-0 | A05 Apertura Zukertort | XIII Open de Lebu 2026 | 65 | Ver |
| 15 jul 2026 | Barria Arbunic, Manuel 2015 | Villanueva, Mario 2466 | 0-1 | E16 Defensa India de Dama: Capablanca Variation | XIII Open de Lebu 2026 | 68 | Ver |
| 31 ene 2026 | Barria Arbunic, Manuel 2013 | Munoz Ramos, Christopher 2168 | 0-1 | D52 Gambito de Dama rehusado | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | 33 | Ver |
| 27 ene 2026 | Barria Arbunic, Manuel 2013 | Levano Loayza, Adriano Jaffet 2109 | 0-1 | E11 Defensa Bogoindia: Nimzowitsch Variation | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | 58 | Ver |
| 13 ene 2026 | Barria Arbunic, Manuel 2013 | Soriano Quispe, Ivan Excender 2369 | 0-1 | D30 Gambito de Dama rehusado | III Itt Temuco 2026 | 53 | Ver |
| 10 ene 2026 | Almeida Quintana, Omar 2463 | Barria Arbunic, Manuel 2013 | 1-0 | A30 Apertura Inglesa: Symmetrical Variation, Hedgehog Defense | III Itt Temuco 2026 | 42 | Ver |