Peru
Male
FIDE ID:
Mario Arias
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 16th American Continental | 05/15/2023 | 2245 |  Dominican Republic |
| Maia Chess Open 2022 | 08/26/2022 | 2311 |  Portugal |
| 3rd Tras-os-Montes Open | 08/17/2022 | 2315 | Portugal |
| Svetozar Gligoric Mem | 07/17/2022 | 2276 |  Serbia |
Mario Arias Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D02 | Queen's pawn game | 2 games |
| D24 | Queen's Gambit Accepted, 4.Nc3 | 1 games |
| A57 | Benko gambit | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
Mario Arias Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C42 | Petrov's defence | 3 games |
| E94 | King's Indian, orthodox variation | 2 games |
| E47 | Nimzo-Indian, 4.e3 O-O, 5.Bd3 | 1 games |
| A46 | Queen's pawn game | 1 games |
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