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Tie-breaking In Swiss-system Tournaments
Swiss system tournaments, a type of group tournament common in chess and other boardgames, 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. Some tiebreakers used in other group tournaments are also used in Swiss-system tournaments, while others exploit the particular features of the Swiss system. If the players are still tied after one tie-break system is used, another system is used, and so on, until the tie is broken. Most of the methods are numerical methods based on the games that have already been played or other objective factors, while some methods require additional games to be played. In chess, where results are simply win/loss or draw, strength of schedule is the idea behind the methods bas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swiss System Tournament
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 (team or individual) 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. The Swiss system is used for competitions in which there are too many entrants for a full round-robin (all-play-all) to be feasible, and eliminating any competitors before the end of the tournament is undesirable. In contrast, all-play-all is suitable if there are a small number of competitors; whereas a single-elimination (knockout) tournament rapidly reduces ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Othello (game)
Reversi is a strategy board game for two players, played on an 8×8 uncheckered board. It was invented in 1883. Othello, a variant with a fixed initial setup of the board, was patented in 1971. Basics There are sixty-four identical game pieces called ''disks'', which are light on one side and dark on the other. Players take turns placing disks on the board with their assigned color facing up. During a play, any disks of the opponent's color that are in a straight line and bounded by the disk just placed and another disk of the current player's color are turned over to the current player's color. The objective of the game is to have the majority of disks turned to display one's color when the last playable empty square is filled. History Original version Englishmen Lewis Waterman and John W. Mollett both claim to have invented the game of Reversi in 1883, each denouncing the other as a fraud. The game gained considerable popularity in England at the end of the 19th century ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Tournament Systems
Chess is a board game for two players, called White and Black, each controlling an army of chess pieces in their color, with the objective to checkmate the opponent's king. It is sometimes called international chess or Western chess to distinguish it from related games, such as xiangqi (Chinese chess) and shogi (Japanese chess). The recorded history of chess goes back at least to the emergence of a similar game, chaturanga, in seventh-century India. The rules of chess as we know them today emerged in Europe at the end of the 15th century, with standardization and universal acceptance by the end of the 19th century. Today, chess is one of the world's most popular games, played by millions of people worldwide. Chess is an abstract strategy game that involves no hidden information and no use of dice or cards. It is played on a chessboard with 64 squares arranged in an eight-by-eight grid. At the start, each player controls sixteen pieces: one king, one queen, two rooks, t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Oxford Companion To Chess
''The Oxford Companion to Chess'' is a reference book on the game of chess written by David Vincent Hooper and Kenneth Whyld. The book is written in an encyclopedia format. The book belongs to the Oxford Companions series. Details The first edition of the book was published in 1984 by Oxford University Press. The second edition (1992) has over 2,500 entries, including rules, terms, strategies, tactics, over 500 brief biographies of famous players, and entries on more than 700 named openings and opening variations. In the back of the book is a comprehensive index of opening variations and sub-variations, listing 1,327 named variations. The book also discusses chess from other countries (such as shogi), chess variants (such as three dimensional chess), and some forms of fairy chess. Editions * First published in 1984 by Oxford University Press Oxford University Press (OUP) is the university press of the University of Oxford. It is the largest university press in the w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tiebreaker
In games and sports, a tiebreaker or tiebreak is used to determine a winner from among players or teams that are tied at the end of a contest, or a set of contests. General operation In matches In some situations, the tiebreaker may consist of another round of play. For example, if contestants are tied at the end of a Quiz, quiz game, they each might be asked one or more extra questions, and whoever correctly answers the most from that extra set is the winner. In many sports, teams that are tied at the end of a match compete in an additional period of play called "overtime (sports), overtime" or "extra time". The extra round may also not follow the regular format, e.g. a tiebreak in tennis or a penalty shootout (football), penalty shootout in association football. In the ''Super Smash Bros.'' series of fighting games published by Nintendo, if at least two fighters have an equal amount of points or stocks at the end of the match, then a tiebreaker will occur as "Sudden Death ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Chess Federation
The United States Chess Federation (also known as US Chess or USCF) is the governing body for chess competition in the United States and represents the U.S. in FIDE, the World Chess Federation. US Chess administers the official national rating system, awards national titles, sanctions over twenty national championships annually, and publishes two magazines: ''Chess Life'' and '' Chess Life for Kids''. The USCF was founded and incorporated in Illinois in 1939, from the merger of two older chess organizations. It is a 501(c)(3) non-profit organization headquartered in St. Louis, Missouri. Its membership as COVID hit was 97,000; as of July 2022 it is 85,000. History In 1939, the United States of America Chess Federation was created in Illinois through the merger of the American Chess Federation and National Chess Federation. The American Chess Federation, formerly the Western Chess Association, had held an annual open championship since 1900; that tournament, after the merger, b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harry Golombek
Harry Golombek OBE (1 March 1911 – 7 January 1995) was a British chess player, chess author, and wartime codebreaker. He was three times British chess champion, in 1947, 1949, and 1955 and finished second in 1948. He was born in Lambeth to Polish-Jewish parents. He was the chess correspondent of the newspaper ''The Times'' from 1945 to 1985, after Stuart Milner-Barry. He was a FIDE official, and served as arbiter for several important events, including the Candidates' Tournament of 1959 in Yugoslavia, and the 1963 World Chess Championship match between Mikhail Botvinnik and Tigran Petrosian. He also edited the game collections of José Raúl Capablanca's and Réti, and was a respected author. He was editor of ''British Chess Magazine'' from 1938 to 1940, and its overseas editor in the 1960s and 1970s. Golombek also translated several chess books from Russian into English. On the outbreak of World War II in September 1939, Golombek was in Buenos Aires, Argentina, competing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Random
In common usage, randomness is the apparent or actual lack of pattern or predictability in events. A random sequence of events, symbols or steps often has no :wikt:order, order and does not follow an intelligible pattern or combination. Individual random events are, by definition, unpredictable, but if the probability distribution is known, the frequency of different outcomes over repeated events (or "trials") is predictable.Strictly speaking, the frequency of an outcome will converge almost surely to a predictable value as the number of trials becomes arbitrarily large. Non-convergence or convergence to a different value is possible, but has probability zero. For example, when throwing two dice, the outcome of any particular roll is unpredictable, but a sum of 7 will tend to occur twice as often as 4. In this view, randomness is not haphazardness; it is a measure of uncertainty of an outcome. Randomness applies to concepts of chance, probability, and information entropy. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
FIDE
The International Chess Federation or World Chess Federation, commonly referred to by its French acronym FIDE ( Fédération Internationale des Échecs), is an international organization based in Switzerland that connects the various national chess federations and acts as the governing body of international chess competition. FIDE was founded in Paris, France, on July 20, 1924.World Chess Federation FIDE (April 8, 2009). Retrieved on 2013-07-28. Its motto is ''Gens una sumus'', Latin for "We are one Family". In 1999, FIDE was recognized by the (IOC). As of May 2022, there are 200 [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fast Chess
Fast chess, also known as Speed chess, is a type of chess in which each player is given less time to consider their moves than normal tournament time controls allow. Fast chess is subdivided, by decreasing time controls, into rapid chess, blitz chess, and bullet chess. Armageddon chess is a particular variation of fast chess in which different rules apply for each of the two players. The top ranked 2021 world rapid chess player is Magnus Carlsen from Norway, who is also the top ranked classical chess player. The top ranked blitz chess player at the beginning of 2022 is Hikaru Nakamura. The top ranked 2021 women's rapid and blitz chess player is Hou Yifan from China, who is also the top ranked women's classical chess player. FIDE rules The World Chess Federation (FIDE) divides time controls for chess into "classical" time controls, and the fast chess time controls. , for master-level players (with an Elo of 2200 or higher) the regulations state that at least 120 minutes per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Time Control
A time control is a mechanism in the tournament play of almost all two-player board games so that each round of the match can finish in a timely way and the tournament can proceed. Time controls are typically enforced by means of a game clock, where the times below are given per player. Time pressure (or time trouble or ''Zeitnot'') is the situation of having very little time on a player's clock to complete their remaining moves. Classification The amount of time given to each player to complete their moves will vary from game to game. However, most games tend to change the classification of tournaments according to the length of time given to the players. In chess, the categories of short time limits are: "bullet", "blitz", and "rapid". "Bullet" games are the fastest, with either a very short time limit per move (such as ten seconds) or a very short total time (such as one or two minutes). "Blitz" games typically give five to ten minutes per player, and "rapid" games give bet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
