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Chess.com
Chess.com is an internet chess server, news website and social networking website. The site has a freemium model in which some features are available for free, and others are available for accounts with subscriptions. Live online chess can be played against other users in daily, rapid, blitz or bullet time controls, with a number of chess variants also available. Chess versus a chess engine, computer analysis, chess puzzles and teaching resources are also offered. One of the largest chess platforms in the world, Chess.com has hosted online tournaments including Titled Tuesdays, the PRO Chess League, the Speed Chess Championships, PogChamps, and computer vs. computer events. History *1995: The domain Chess.com was originally set up by Aficionado, a company based in Berkeley, California, to sell a piece of chess tutoring software called "Chess Mentor". *2005: Internet entrepreneur Erik Allebest and partner Jarom ("Jay") Severson bought the domain name and assembled a team o ...
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Bullet 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 ...
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Rapid 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 ...
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Blitz 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 ...
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Computer Chess
Computer chess includes both hardware (dedicated computers) and software capable of playing chess. Computer chess provides opportunities for players to practice even in the absence of human opponents, and also provides opportunities for analysis, entertainment and training. Computer chess applications that play at the level of a chess master or higher are available on hardware from supercomputers to smart phones. Standalone chess-playing machines are also available. Stockfish, GNU Chess, Fruit, and other free open source applications are available for various platforms. Computer chess applications, whether implemented in hardware or software, utilize different strategies than humans to choose their moves: they use heuristic methods to build, search and evaluate trees representing sequences of moves from the current position and attempt to execute the best such sequence during play. Such trees are typically quite large, thousands to millions of nodes. The computational speed ...
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Daniel Rensch
Daniel Rensch (born October 10, 1985) is an American chess player, International Master, event organizer, lecturer and commentator. He holds the Arizona state record for youngest national master, at the age of 14. He is the president of American Chess Events LLC and Chief Chess Officer of Chess.com. Professional life Chess career Rensch won the 1998 Elementary National Championship before becoming Arizona's youngest National Master in 1999. After earning the title, Rensch won the 2000 Junior High National Championship in Tucson, Arizona. In 2004, Rensch tied for the National High School Championship, beating Aleksandr Lenderman, a future grandmaster, to win the title. Rensch earned his first International Master (IM) norm in 2004 at the Foxwoods Open in Mashantucket, Connecticut. Backed by his strong performances, Rensch became the highest-rated 19-year-old in the United States that year. Rensch earned his second IM norm in the 2008 Berkeley International, after tying for a thi ...
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Three-check Chess
This is a list of chess variants. Many thousands of variants exist. The 2007 catalogue ''The Encyclopedia of Chess Variants'' estimates that there are well over 2,000, and many more were considered too trivial for inclusion in the catalogue. Chess-derived games These chess variants are derived from chess by changing the board, board setup, pieces, or rules. Standard rules and standard piece types Many variants employ standard chess rules and mechanics, but vary the starting position of the pieces or number of pieces. Standard rules, standard piece types, variant board In these variants, the same pieces and rules as in chess are used, but the board is different; It can be smaller or larger, the shape of either the board or individual spaces can be non-square or modular, or it can even be extra-dimensional or unbounded. The movement of pieces in some variants is modified in concurrence with the geometry of the gameboard. * Active Chess: Played on a 9×8 board, adding a ...
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PogChamps
PogChamps is a series of online amateur chess tournaments hosted by Chess.com. Players in the tournament are internet personalities, primarily Twitch streamers. PogChamps takes place over the course of two weeks. The first and second PogChamps had prize pools of $50,000 each, and the third and fourth iterations had prize pools of $100,000 each. Tournament history The first PogChamps tournament was announced in late May 2020 by Chess.com. The games were in a Rapid 10+5 Time control and all 16 players were streamers on Twitch. Running from June 5–19, the tournament was won by ''League of Legends'' streamer Voyboy. Coaching and commentary was provided primarily by Grandmaster (GM) Hikaru Nakamura and Woman FIDE Master (WFM) Alexandra Botez. PogChamps 2 was announced on and was played from August 21 through September 6. Some players returned from the first tournament, while others (such as David Pakman and Hafþór Júlíus Björnsson) played in the tournament for the first ti ...
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Chess Engine
In computer chess, a chess engine is a computer program that analyzes chess or chess variant positions, and generates a move or list of moves that it regards as strongest. A chess engine is usually a back end with a command-line interface with no graphics or windowing. Engines are usually used with a front end, a windowed graphical user interface such as Chessbase or WinBoard that the user can interact with via a keyboard, mouse or touchscreen. This allows the user to play against multiple engines without learning a new user interface for each, and allows different engines to play against each other. Many chess engines are now available for mobile phones and tablets, making them even more accessible. History The meaning of the term "chess engine" has evolved over time. In 1986, Linda and Tony Scherzer entered their program Bebe into the 4th World Computer Chess Championship, running it on "Chess Engine," their brand name for the chess computer hardware made, and markete ...
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Professional Rapid Online Chess League
The Professional Rapid Online Chess League (PRO Chess League and abbreviated PCL) is an online rapid chess league operated by chess.com. It was preceded by the United States Chess League, which announced in 2016 that it would be renamed, reformatted, and opened to cities from around the world, and moved to the website chess.com. In its inaugural season, the PCL comprised 48 teams, whose members included some of the highest-rated chess players in the world, including the reigning world champion Magnus Carlsen, and other elite players including Maxime Vachier-Lagrave, Hikaru Nakamura, and Wesley So plus over 100 other grandmasters. The 48 teams represent cities in five continents. Teams Format * For each match, teams may have at least one free agent in the lineup * The average rating of the four players in each match must be under 2500 * Each match uses a scheveningen system with the first team to reach 8.5 points or higher winning. Time control is 15 minutes plus a 2 ...
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Chess
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 ...
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Correspondence Chess
Correspondence chess is chess played by various forms of long-distance correspondence, traditionally through the postal system. Today it is usually played through a correspondence chess server, a public internet chess forum, or email. Less common methods that have been employed include fax, homing pigeon and phone. It is in contrast to (OTB) chess, where the players sit at a chessboard at the same time, or play each other in real time via the internet. Correspondence chess allows people or clubs who are geographically distant to play one another without meeting in person. These distant relationships are just one of the many distinct appeals of correspondence chess. The length of a game played by correspondence can vary depending on the method used to transmit moves: a game played via server or by email might last no more than a few days, weeks, or months; a game played by post between players in different countries might last several years. Structure Correspondence chess diff ...
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Chess Variant
A chess variant is a game related to, derived from, or inspired by chess. Such variants can differ from chess in many different ways. "International" or "Western" chess itself is one of a family of games which have related origins and could be considered variants of each other. Chess developed from '' chaturanga'', from which other members of this family, such as ''shatranj'', Tamerlane chess, '' shogi'', and ''xiangqi'' also evolved. Many chess variants are designed to be played with the equipment of regular chess. Most variants have a similar public-domain status as their parent game, but some have been made into commercial proprietary games. Just as in traditional chess, chess variants can be played over the board, by correspondence, or by computer. Some internet chess servers facilitate the play of some variants in addition to orthodox chess. In the context of chess problems, chess variants are called heterodox chess or fairy chess. Fairy chess variants tend to be created ...
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