The 2023 FIDE World Senior Team Championships begun today in Struga, North Macedonia, with both a 50-and-over (50+) section and a 65-and-over (65+) section. The tournament format is a nine-round swiss, with each round consisting of four-player matches played at a classical time control of 40 moves in 90 minutes with an additional 30 minutes on move 40 and a 30-second increment beginning on move one. 48 teams are competing overall, with 22 in the 50+ and 26 in the 65+.