Riga Technical University Open

Riga Technical University Open (also RTU Open) is international "open" chess festival, annually held in Riga, Latvia in August. It is the largest classical chess tournament in the Baltic states.
History.
The first three international chess festivals (2011–2013) was held in the main building of the Riga Technical University. The first and second festival included two classical chess tournaments (A for masters and B for amateurs) and a last day blitz tournament. The third festival included three classical chess tournaments (A for masters and B-C for amateurs). 
The fourth international chess festival in 2014 moved the International Exhibition Centre "Ķīpsala" where was applied to a larger number of participants. The fourth international chess festival included five classical chess tournaments (A for masters and B–E for amateurs) and a first day blitz tournament. The fifth and sixth festival was held in "Ķīpsala" and included four classical chess tournaments (A for masters and B–D for amateurs) and a last day blitz tournament. Overall more than 1200 participants took part in the festivals from the years 2014 to 2016. The seventh festival in 2017 was held in "Ķīpsala" and included five classical chess tournaments (A for masters and B–E for amateurs) and a last day blitz tournament. The eighth festival in 2018 was held in "Ķīpsala" and included five classical chess tournaments (A for masters and B–E for amateurs) and two blitz tournaments. The ninth festival in 2019 was held in "Ķīpsala" and included six classical chess tournaments (A for masters, Y for young chess players and B–E for amateurs), rapid chess tournament and two blitz tournaments.