The most significant championship completed in 2020 was the match between defending champion (China) and challenger Aleksandra Goryachkina (Russia). Dates: January 5 – January 24, 2020.
Ian Nepomniachtchi and Maxime Vachier-Lagrave were leading when the event was halted.
Started March 17, 2020, but was suspended at the halfway point on March 26 after seven rounds due to Russia closing its air traffic.
The year 2020 was a historic and tumultuous period for competitive chess, marked by the completion of a major women's world title match and the unprecedented suspension of the men's world championship cycle due to the COVID-19 pandemic.
USA won the 50+ section and Russia won the 65+ section in Prague (March 2020), though the event was cut short due to the pandemic.

Chesschampionship2020.part1.rar -
The most significant championship completed in 2020 was the match between defending champion (China) and challenger Aleksandra Goryachkina (Russia). Dates: January 5 – January 24, 2020.
Ian Nepomniachtchi and Maxime Vachier-Lagrave were leading when the event was halted. ChessChampionship2020.part1.rar
Started March 17, 2020, but was suspended at the halfway point on March 26 after seven rounds due to Russia closing its air traffic. The most significant championship completed in 2020 was
The year 2020 was a historic and tumultuous period for competitive chess, marked by the completion of a major women's world title match and the unprecedented suspension of the men's world championship cycle due to the COVID-19 pandemic. Started March 17, 2020, but was suspended at
USA won the 50+ section and Russia won the 65+ section in Prague (March 2020), though the event was cut short due to the pandemic.