Ukrainian Grandmaster (2008) and Women Grandmaster (2007). Women’s World Champion in 2015. Ukrainian Women Champion in 2012 and 2013. Runner-up in the World U20 championship in 2008, in the World U10 championship in 2001, in the European U12 championships in 2002 and 2004. Ukrainian U10 Champion in 2001.
In 2015, Muzychuk was awarded the Order of Merit, 3rd Class by Ukrainian President Petro Poroshenko.
In 2016, she lost her title against Hou Yifan in the Women’s World Chess Championship 2016 3–6.
Mariya is the older sister of the Grandmaster Anna Muzychuk.
Ukrainian Grandmaster (2008) and Women Grandmaster (2007). Women’s World Champion in 2015. Ukrainian Women Champion in 2012 and 2013. Runner-up in the World U20 championship in 2008, in the World U10 championship in 2001, in the European U12 championships in 2002 and 2004. Ukrainian U10 Champion in 2001.