Большая женская швейцарка ФИДЕ 2021 — международный шахматный турнир, проходивший с 25 октября по 8 ноября 2021 года в Риге (столице Латвии) и являвшийся частью отборочного цикла к Матчу за звание чемпионки мира по шахматам 2022. Этот турнир стал первой большой швейцаркой среди женщин.
Турнир проходил по швейцарской системе в 11 туров. Контроль времени: 1 час 40 минут на 40 ходов, далее 50 минут на 20 ходов, потом 15 минут до конца партии с добавлением 30 секунд на каждый ход, начиная с первого хода. Призовой фонд турнира составил $ 125 000.
В турнире приняли участие 50 шахматисток. Победительницей (с отрывом в полтора очка, набрав 9 очков из 11) стала китайская шахматистка Лэй Тинцзе, экс-чемпионка Китая по шахматам (2017). Благодаря этой победе она стала седьмой шахматисткой, отобравшейся в турнир претенденток 2022, после Александры Горячкиной, Хампи Конеру, Екатерины Лагно, Александры Костенюк, Тань Чжунъи и Анны Музычук.
Параллельно с женским турниром проходил открытый турнир, в котором победил французский шахматист иранского происхождения Алиреза Фирузджа.
Турнирная таблица
{| class="wikitable" style="font-size:90 %;" |+ Большая женская швейцарка ФИДЕ 2021 (число в скобках означает номер противника) |- ! !! Имя !! Рейт. !! 1 !! 2 !! 3 !! 4 !! 5 !! 6 !! 7 !! 8 !! 9 !! 10 !! 11 !! Очки !! !! !! |- |align=center|1 |align=left| |align=center|2505 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|9 |align=center|64,5 |align=center|70,0 |align=center|56,00 |- |align=center|2 |align=left| |align=center|2475 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|7½ |align=center|69,5 |align=center|74,5 |align=center|49,50 |- |align=center|3 |align=left| |align=center|2455 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|7½ |align=center|67,5 |align=center|71,5 |align=center|46,75 |- |align=center|4 |align=left| |align=center|2536 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|7 |align=center|69,0 |align=center|74,0 |align=center|46,50 |- |align=center|5 |align=left| |align=center|2511 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|7 |align=center|64,5 |align=center|68,5 |align=center|42,25 |- |align=center|6 |align=left| |align=center|2446 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|7 |align=center|64,5 |align=center|68,5 |align=center|41,00 |- |align=center|7 |align=left| |align=center|2438 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|7 |align=center|61,0 |align=center|63,0 |align=center|37,25 |- |align=center|8 |align=left| |align=center|2518 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|6½ |align=center|68,5 |align=center|72,5 |align=center|41,00 |- |align=center|9 |align=left| |align=center|2467 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|6½ |align=center|66,0 |align=center|70,5 |align=center|39,50 |- |align=center|10 |align=left| |align=center|2400 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|6½ |align=center|62,5 |align=center|68,0 |align=center|39,00 |- |align=center|11 |align=left| |align=center|2428 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|6½ |align=center|61,0 |align=center|65,0 |align=center|35,25 |- |align=center|12 |align=left| |align=center|2382 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|6½ |align=center|58,0 |align=center|58,5 |align=center|30,50 |- |align=center|13 |align=left| |align=center|2433 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|6½ |align=center|57,0 |align=center|61,0 |align=center|33,75 |- |align=center|14 |align=left| |align=center|2322 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|6½ |align=center|56,5 |align=center|60,5 |align=center|33,25 |- |align=center|15 |align=left| |align=center|2410 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|6½ |align=center|55,5 |align=center|60,0 |align=center|34,50 |- |align=center|16 |align=left| |align=center|2447 | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | |align=center|6½ |align=center|53,0 |align=center|55,5 |align=center|32,25 |- |align=center|17 |align=left| |align=center|2484 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|6 |align=center|68,5 |align=center|74,0 |align=center|37,75 |- |align=center|18 |align=left| |align=center|2524 | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | | style="background:black; color:white" | | style="background:white; color:black" | |align=center|6 |align=center|68,5 |align=center|73,5 |align=center|38,75 |- |align=center|19 |align=left| |align=center|2493