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A Swiss-system tournament is a non-eliminating tournament format that features a fixed number of rounds of competition, but considerably fewer than for a round-robin tournament; thus each competitor does not play all the other competitors. Competitors meet one-on-one in each round and are paired using a set of rules designed to ensure that each competitor plays opponents with a similar running score, but does not play the same opponent more than once. The winner is the competitor with the highest aggregate points earned in all rounds. With an even number of participants, all competitors play in each round.
Kenneth Harkness was a chess organizer. He is the creator of the Harkness rating system.
The Sonneborn–Berger score is a scoring system often used to break ties in chess tournaments. It is computed by summing the full score of each defeated opponent and half the conventional score of each drawn opponent.
In a group tournament, unlike a knockout tournament, there is no scheduled decisive final match. Instead, all the competitors are ranked by examining the results of all the matches played in the tournament. Typically, points are awarded for each match, with competitors ranked based either on total number of points or average points per match. A special type of group tournament is the Round-robin tournament, in which each player plays against every other player.
The Norwegian Chess Championship is an annual tournament held in Norway during the month of July, in order to determine the national chess champion. The tournament is held at different venues each year as part of the Landsturnering. Clubs may bid for this tournament, which is awarded by the Norwegian Chess Federation.
Swiss system tournaments, a type of group tournament common in chess and other board games, and in card games such as bridge, use various criteria to break ties between players who have the same total number of points after the last round. This is needed when prizes are indivisible, such as titles, trophies, or qualification for another tournament. Otherwise players often share the tied spots, with cash prizes being divided equally among the tied players.
A chess tournament is a series of chess games played competitively to determine a winning individual or team. Since the first international chess tournament in London, 1851, chess tournaments have become the standard form of chess competition among multiple serious players.
The FIDE Grand Swiss Tournament 2019 was a chess tournament that formed part of the qualification cycle for the World Chess Championship 2021. It was played on October 10 to 21 2019, on the Isle of Man. This was the first time that a tournament of this type was used as a qualifying tournament for the Candidates Tournament.
The FIDE Chess.com Grand Swiss Tournament 2021 was a chess tournament that formed part of the qualification cycle for the World Chess Championship 2022. It was an 11-round Swiss-system tournament, with 108 players competing, running from 25 October to 8 November 2021 in Riga, Latvia, in parallel with the FIDE Women's Grand Swiss Tournament 2021. The tournaments were held while Latvia was in a COVID-19 lockdown, which led to a number of players withdrawing before the tournament began. The event was organized by Chess.com and financed by the family of Igal Mark Scheinberg, an Israeli businessman and resident of the Isle of Man.
The FIDE Women's Grand Swiss Tournament 2021 was a chess tournament, FIDE Women's Grand Swiss Tournament, that forms part of the qualification cycle for the Women's World Chess Championship 2022. It was an 11-round Swiss-system tournament, with up to 50 players competing, ran from 27 October to 7 November 2021 in Riga, Latvia, in parallel with the FIDE Grand Swiss Tournament 2021. It was the first FIDE Women's Grand Swiss Tournament.
The World Rapid Chess Championship 2021 is the 2021 edition of the annual World Rapid Chess Championship held by FIDE to determine the world champion in chess played under rapid time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament. Originally planned to be held in Nur-Sultan, Kazakhstan, new coronavirus restrictions introduced by the Kazakh government prompted FIDE to change the location of the tournament to Warsaw, Poland.
The 2021 World Blitz Chess Championship is the 1st edition of the annual chess tournament held by FIDE to determine the world champion in chess played under blitz time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament. Originally, the tournament was to be held in Nur-Sultan, Kazakhstan, however, due to coronavirus restrictions introduced by the Kazakh government prompted FIDE to change the location to Warsaw, Poland. The event took place at the Narodowy Stadium in Warsaw, from 29 to 30 December 2021, using a Swiss-system with 21 rounds for the open tournament and 17 rounds for the women's tournament.
The World Rapid Chess Championship 2022 was the 2022 edition of the annual World Rapid Chess Championship held by FIDE to determine the world champion in chess played under rapid time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament. The tournament was held in Almaty, Kazakhstan from 26–28 December 2022, using a Swiss-system with 13 rounds for the open tournament and 11 rounds for the women's tournament. Players eligible to participate in the open tournament were either be rated at least 2550 Elo in a FIDE rating list during 2022, or reigning national champion.
The 2022 World Blitz Chess Championship was the 2nd edition of the annual chess tournament held by FIDE to determine the world champion in chess played under blitz time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament. The tournament was held in Almaty, Kazakhstan, from 29 to 30 December 2022, using a Swiss-system with 21 rounds for the open tournament and 17 rounds for the women's tournament.
The World Rapid Chess Championship 2019 was a chess tournament held to determine the world champion in chess played under rapid time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament.
The FIDE Grand Swiss Tournament 2023 was a chess tournament that formed part of the qualification cycle for the World Chess Championship 2024. It was an 11-round Swiss-system tournament with 114 players competing from 25 October to 5 November 2023 in the Isle of Man. The winner and runner-up of the tournament earned the right to play in the Candidates Tournament 2024.
The FIDE Women's Grand Swiss Tournament 2023 was the second edition of the FIDE Women's Grand Swiss Tournament, a chess tournament that forms part of the qualification cycle for the Women's World Chess Championship match in 2025. It was an 11-round Swiss-system tournament with 50 players competing from 25 October to 5 November 2023 in the Isle of Man. The winner and third-place finisher of the tournament earned the right to the play in the Women's Candidates Tournament 2024, since Anna Muzychuk, the runner-up of the tournament had already qualified for the event.
The World Rapid Chess Championship 2023 was the 2023 edition of the annual World Rapid Chess Championship held by FIDE to determine the world champion in chess played under rapid time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament. The tournament was held in Samarkand, Uzbekistan from 26 to 28 December 2023, using a Swiss-system with 13 rounds for the open tournament and 11 rounds for the women's tournament. Players eligible to participate in the open tournament were either be rated at least 2550 Elo in a FIDE rating list during 2023, or reigning national champion. The time control was 15 minutes per player with a 10-second per-move increment.
The 2023 World Blitz Chess Championship was the 3rd edition of the annual chess tournament held by FIDE to determine the world champion in chess played under blitz time controls. Since 2012, FIDE has held the World Rapid and Blitz Championships at a joint tournament. The tournament was held in Samarkand, Uzbekistan, from 30 to 31 December 2023, using a Swiss-system with 21 rounds for the open tournament and 17 rounds for the women's tournament.
The FIDE Grand Swiss Tournament 2025 will be a chess tournament organized by FIDE, chess's international governing body, in the first half of 2025. It forms part of the qualification cycle for the World Chess Championship 2026. It will be an 11-round Swiss-system tournament. The winner and runner-up of the tournament will earn the right to play in the Candidates Tournament 2026. The Women’s section will be held in parallel at the same time and venue.
References
- Golombek, Harry, ed. (1977), "Buchholtz system", Golombek's Encyclopedia of Chess, Batsford, ISBN 0-517-53146-1
- Hooper, David; Whyld, Kenneth (1992), "Buchholz score", The Oxford Companion to Chess (2nd ed.), Oxford University Press, ISBN 0-19-280049-3