From the mid-2010s, Anastassia Sinitsina was one of the leading young chess players in Estonia.
In 2014, she won bronze medal in European Youth Chess Championship in girls U10 age group.[2] Also in this year she won European Youth Chess Championship in rapid and blitz chess in girls U10 age groups.[3][4]
In 2016 Anastassia Sinitsina won bronze medal in Estonian Women's Chess Championship after play-off tournament.[5] In April 2017, in Riga she participated in the 2017 Women's European Individual Chess Championship.[6]
In 2018 Anastassia Sinitsina won Estonian Girls U14 Chess Championship and Estonian Youth U16 Chess Championship.[7][8]
In 2021, she won Estonian Women's Chess Championship.[9] In 2022 she won Estonian Women's Chess Championship.[10] In 2023 she won Estonian Women's Chess Championship and silver medal in Estonian Chess Championship.[11][12][13]
In August 2023, Anastassia Sinitsina was the best among women in the "Riga Technical University Open" tournament "A".[14]
Anastassia Sinitsina played for Estonia in Chess Olympiad:
Since August 2025, she has represented Russia in chess tournaments.[16]
