| Tournament Name | 27th International Chess Festival Città di Trieste - Open A |
| City | Trieste |
| Federation | ITA |
| Date Begin | 30/08/2025 |
| Date End | 05/09/2025 |
| Arbiter(s) | IA Stefano Ganci 835765 (ITA) |
| Play System | swiss FIDE Dutch (JaVaFo) |
| Rounds | 9 |
| Score game | 0-0.5-1 |
| Tie break | REP BH/C1 SB APRO |
| Registered Players | 130 |
| Number of Federations | 30 |
| Average Rating (all) | 2159 |
| Average Rating (only FIDE rated) | 2159 |
| Players from HOST Federation | 39 |
| Players NOT from HOST Federation | 91 |
| FIDE rated players | 130 |
| unrated players | 0 |
| unrated players from HOST Federation | 0 |
| unrated players NOT from HOST Federation | 0 |
| unrated Federations | 0 |
| FIDE Titled players |
Total64 Host14 other50 GM8 IM15 FM24 CM7 WGM2 WIM3 WFM3 WCM2 |