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Checkers
Checkers (American English), also known as draughts (; British English), is a group of strategy board games for two players which involve diagonal moves of uniform game pieces and mandatory captures by jumping over opponent pieces. Checkers is developed from alquerque. The term "checkers" derives from the checkered board which the game is played on, whereas "draughts" derives from the verb "to draw" or "to move". The most popular forms of checkers in Anglophone countries are American checkers (also called English draughts), which is played on an 8×8 checkerboard; Russian draughts, Turkish draughts both on an 8x8 board, and International draughts, played on a 10×10 board – the latter is widely played in many countries worldwide. There are many other variants played on 8×8 boards. Canadian checkers and Singaporean/Malaysian checkers (also locally known as ''dum'') are played on a 12×12 board. American checkers was weakly solved in 2007 by a team of Canadian computer ...
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English Draughts
English draughts (British English) or checkers (American English), also called straight checkers or simply draughts, is a form of the strategy board game checkers (or draughts). It is played on an 8×8 checkerboard with 12 pieces per side. The pieces move and capture diagonally forward, until they reach the opposite end of the board, when they are crowned and can thereafter move and capture both backward and forward. As in all forms of draughts, English draughts is played by two opponents, alternating turns on opposite sides of the board. The pieces are traditionally black, red, or white. Enemy pieces are captured by jumping over them. The 8×8 variant of draughts was weakly solved in 2007 by a team of Canadian computer scientists led by Jonathan Schaeffer. From the standard starting position, both players can guarantee a draw with perfect play. Pieces Though pieces are traditionally made of wood, now many are made of plastic, though other materials may be used. Pieces are t ...
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Jonathan Schaeffer
Jonathan Herbert Schaeffer (born 1957) is a Canadian researcher and professor at the University of Alberta and the former Canada Research Chair in Artificial Intelligence. He led the team that wrote Chinook, the world's strongest American checkers player, after some relatively good results in writing computer chess programs. He is involved in the University of Alberta GAMES group developing computer poker systems. Schaeffer is also a member of the research group that created Polaris, a program designed to play the Texas Hold'em variant of poker. He is a Founder of Onlea, which produces online learning experiences. Early life Born in Toronto, Ontario, he received a Bachelor of Science degree in 1979 from the University of Toronto. He received a Master of Mathematics degree in 1980 and a Ph.D. in 1986 from the University of Waterloo. Schaeffer reached national master strength in chess while in his early 20s, but has played little competitive chess since that time. Draughts: C ...
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Checkerboard
A checkerboard (American English) or chequerboard (British English; see spelling differences) is a board of checkered pattern on which checkers (also known as English draughts) is played. Most commonly, it consists of 64 squares (8×8) of alternating dark and light color, typically green and buff (official tournaments), black and red (consumer commercial), or black and white (printed diagrams). An 8×8 checkerboard is used to play many other games, including chess, whereby it is known as a chessboard. Other rectangular square-tiled boards are also often called checkerboards. Games and puzzles using checkerboards Martin Gardner featured puzzles based on checkerboards in his November 1962 Mathematical Games column in Scientific American. A square checkerboard with an alternating pattern is used for games including: * Amazons * Chapayev * Chess and some of its variants (see chessboard) * Czech draughts * Draughts, also known as checkers * Fox games * Frisian draughts * Gounki * In ...
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Canadian Checkers
Canadian checkers (or Canadian draughts) is a variant of the strategy board game draughts. It is one of the largest draughts games, played on a 12×12 checkered board with 30 game pieces per player. History The game was invented by the French settlers of Quebec, Canada; it was named ''Grand jeu de dames''. It is unknown when the game was first played in Canada. The huff rule was dropped in 1880 after a dispute developed during the Canadian championship match. The idea of an increased-size international draughts game is older still; boards with 12×12 squares were on sale in London in 1805. Game rules Canadian checkers follows the same rules and conventions as international draughts, the only differences are the larger gameboard (12×12 squares instead of 10×10), and more checkers per player (30 instead of 20). The starting setup is shown in the diagram. Notation Games are recorded using the same method of notation used by other draughts variants, extended for a board of 144 ...
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Board Game
Board games are tabletop games that typically use . These pieces are moved or placed on a pre-marked board (playing surface) and often include elements of table, card, role-playing, and miniatures games as well. Many board games feature a competition between two or more players. To show a few examples: in checkers (British English name 'draughts'), a player wins by capturing all opposing pieces, while Eurogames often end with a calculation of final scores. '' Pandemic'' is a cooperative game where players all win or lose as a team, and peg solitaire is a puzzle for one person. There are many varieties of board games. Their representation of real-life situations can range from having no inherent theme, such as checkers, to having a specific theme and narrative, such as ''Cluedo''. Rules can range from the very simple, such as in snakes and ladders; to deeply complex, as in ''Advanced Squad Leader''. Play components now often include custom figures or shaped counters, and distin ...
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Board Games
Board games are tabletop games that typically use . These pieces are moved or placed on a pre-marked board (playing surface) and often include elements of table, card, role-playing, and miniatures games as well. Many board games feature a competition between two or more players. To show a few examples: in checkers (British English name 'draughts'), a player wins by capturing all opposing pieces, while Eurogames often end with a calculation of final scores. ''Pandemic'' is a cooperative game where players all win or lose as a team, and peg solitaire is a puzzle for one person. There are many varieties of board games. Their representation of real-life situations can range from having no inherent theme, such as checkers, to having a specific theme and narrative, such as ''Cluedo''. Rules can range from the very simple, such as in snakes and ladders; to deeply complex, as in ''Advanced Squad Leader''. Play components now often include custom figures or shaped counters, and distinc ...
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International Draughts
International draughts (also called international checkers or Polish draughts) is a Abstract strategy, strategy board game for two players, one of the variants of draughts. The gameboard comprises 10×10 squares in alternating dark and light colours, of which only the 50 dark squares are used. Each player has 20 pieces, light for one player and dark for the other, at opposite sides of the board. In conventional diagrams, the board is displayed with the light pieces at the bottom; in this orientation, the lower-left corner square must be dark. History According to Draughts historians, draughts historian Arie van der Stoep, the 100 square draughts board came into use in the Netherlands between 1550 and 1600, and the number of pieces was extended to 2x20 between 1650 and 1700. The name "Polish draughts" was following a Dutch convention of the time that "unnatural" ideas were considered "Polish". Rules The general rule is that all moves and captures are made diagonally. All refere ...
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Turkish Draughts
Turkish draughts (Turkish: Dama)(Armenian: շաշկի)(Arabic: دامە)(Kurmanji: دامە) is a variant of draughts (checkers) played in Turkey, Greece, Egypt, Kuwait, Lebanon, Syria, Jordan and several other locations around the Mediterranean Sea and Middle East. Rules On an 8×8 board, 16 ' are lined up on each side, in two rows. The back rows are vacant. A traditional Turkish draughts is mono-coloured. White moves first. Men move orthogonally forwards or sideways one square, capturing by means of a jump; they cannot move or capture backwards or diagonally. When a man reaches the back row, it promotes to a ''king''. Kings can move any number of empty squares orthogonally forwards, backwards or sideways. A king captures by jumping over a single piece any number of empty squares away, landing on any open square beyond the captured piece along a straight line. If a jump is available it must be taken. If there is more than one way to jump, the one capturing the most number of p ...
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International Draughts
International draughts (also called international checkers or Polish draughts) is a Abstract strategy, strategy board game for two players, one of the variants of draughts. The gameboard comprises 10×10 squares in alternating dark and light colours, of which only the 50 dark squares are used. Each player has 20 pieces, light for one player and dark for the other, at opposite sides of the board. In conventional diagrams, the board is displayed with the light pieces at the bottom; in this orientation, the lower-left corner square must be dark. History According to Draughts historians, draughts historian Arie van der Stoep, the 100 square draughts board came into use in the Netherlands between 1550 and 1600, and the number of pieces was extended to 2x20 between 1650 and 1700. The name "Polish draughts" was following a Dutch convention of the time that "unnatural" ideas were considered "Polish". Rules The general rule is that all moves and captures are made diagonally. All refere ...
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Abstract Strategy Game
Abstract strategy games admit a number of definitions which distinguish these from strategy games in general, mostly involving no or minimal narrative theme, outcomes determined only by player choice (with no randomness), and perfect information. For example, Go is a pure abstract strategy game since it fulfills all three criteria; chess and related games are nearly so but feature a recognizable theme of ancient warfare; and Stratego is borderline since it is deterministic, loosely based on 19th-century Napoleonic warfare, and features concealed information. Definition Combinatorial games have no randomizers such as dice, no simultaneous movement, nor hidden information. Some games that do have these elements are sometimes classified as abstract strategy games. (Games such as '' Continuo'', Octiles, '' Can't Stop'', and Sequence, could be considered abstract strategy games, despite having a luck or bluffing element.) A smaller category of abstract strategy games manages to ...
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Check (pattern)
Check (also checker, Brit: chequer) is a pattern of modified stripes consisting of crossed horizontal and vertical lines which form squares. The pattern typically contains two colours where a single checker (that is a single square within the check pattern) is surrounded on all four sides by a checker of a different colour. The pattern is commonly placed onto garments and is, in certain social contexts, applied to clothing which is worn to signify cultural or political affiliations. Such is the case with check in ska and on the keffiyeh. The pattern's all-pervasiveness and simple layout has lent to its practical usage in scientific experimentation and observation, optometry, technology (hardware and software), and as a symbol for responders to associate meaning with. Etymology The word is derived from the ancient Persian word ' which means "king" in the Sasanian game of Shatranj; an old form of chess which is played on a squared board of alternating coloured checkers. It is more ...
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Russian Draughts
Russian draughts (also known as Shashki or Russian shashki) is a variant of draughts (checkers) played in Russia and some parts of the former USSR, as well as parts of Eastern Europe and Israel. Rules As in all draughts variants, Russian draughts is played by two people, on opposite sides of a playing board, alternating moves. One player has dark pieces, and the other has light pieces. Pieces move diagonally and pieces of the opponent are captured by jumping over them. The rules of this variant of draughts are: * Board. Played on an 8×8 board with alternating dark and light squares. The left down square field should be dark. * Starting position. Each player starts with 12 pieces on the three rows closest to their own side. The row closest to each player is called the "crownhead" or "kings row". Usually, the colors of the pieces are black and white, but possible use other colors (one dark and other light). The player with white pieces (lighter color) moves first. * Pieces. There ...
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