| Host Federation: | ITA |
| Name of Tournament: | CIS MasterSem_Fin_2021 |
| Place of Tournament: | Montesilvano |
| Starting date: | 20/09/2021 |
| Ending date: | 26/09/2021 |
| Organizer: | Circolo Scacchi R. Fischer Chi |
| Number of Rounds: | 9 |
| Move rate: | 90 min x 40 moves + 30' + 30sec |
| Tournament Type: | SWISS |
| Swiss Pairing System: | Swiss FIDE Dutch (JaVaFo) |
| Arbiter: | AI G. Buonocor-AI I. Olivo-AN D. Buffa |
| Deputy Arbiter: | |
| Program used: | Orion 1.3.11 |