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Crazyhouse
Crazyhouse (also known as drop chess, mad chess, reinforcement chess, turnabout chess and schizo-chess) is a chess variant in which captured enemy pieces can be reintroduced, or ''dropped'', into the game as one's own. The drop rule resembles that of shogi; the two games are often compared though no evidence suggests the one developing from the other. Crazyhouse is similar to bughouse chess; however, a game of Crazyhouse involves only two players. Rules The rules of chess apply except for the addition of drops, as explained below. * A piece that is captured reverses color and goes to the capturing player's reserve, pocket or bank, where it is considered held or in hand. At any time, instead of making a move with a piece on the board, a player can ''drop'' one of their held pieces onto an empty square on the board. * A pawn may not be dropped on the 1st or 8th . * A pawn that is dropped on its 2nd rank may use its two-square initial advance; a pawn that is dropped on any other ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
At Sign
The at sign, , is normally read aloud as "at"; it is also commonly called the at symbol, commercial at, or address sign. It is used as an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), but it is now seen more widely in email addresses and social media platform handles. The absence of a single English word for the symbol has prompted some writers to use the French ''arobase'' or Spanish and Portuguese ''arroba'', or to coin new words such as ''ampersat'' and ''asperand'', or the (visual) onomatopoeia ''strudel'', but none of these have achieved wide use. Although not included on the keyboard of the earliest commercially successful typewriters, it was on at least one 1889 model"The @-symbol, part 2 of 2" , [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bughouse Chess
Bughouse chess (also known as exchange chess, Siamese chess (but not to be confused with Thai chess), tandem chess, transfer chess, double bughouse, cross chess, swap chess or simply bughouse, bugsy, or bug) is a popular chess variant played on two chessboards by four players in teams of two. Normal chess rules apply, except that captured pieces on one board are passed on to the teammate on the other board, who then has the option of putting these pieces on their board. The game is usually played at a fast time control. Together with the passing and dropping of pieces, this can make the game look chaotic to the casual onlooker, hence the name bughouse, which is slang for mental hospital. Yearly, several dedicated bughouse tournaments are organized on a national and an international level. __TOC__ Rules Bughouse is a chess variant played on two chessboards by four players in teams of two. Each team member faces one opponent of the other team. Partners sit next to each o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lichess
Lichess (; ) is a free and open-source Internet chess server run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play rated games. Lichess is ad-free and all the features are available for free, as the site is funded by donations from patrons. Features include chess puzzles, computer analysis, tournaments and chess variants; not all features are available to anonymous players, such as reviewing specific games. History Lichess was founded in 2010 by French programmer Thibault Duplessis. The software running Lichess and the design are mostly open source under the AGPL license and other free and non-free licenses. On February 11, 2015, an official Lichess mobile app was released for Android devices. An app for mobile devices running iOS was released on March 4, 2015. As of April 28, 2022, lichess.org had a global rank of 683 at Alexa, with most of its visitors coming from the United Stat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shogi
, also known as Japanese chess, is a strategy board game for two players. It is one of the most popular board games in Japan and is in the same family of games as Western chess, ''chaturanga, Xiangqi'', Indian chess, and '' janggi''. ''Shōgi'' means general's (''shō'' ) board game (''gi'' ). Western chess is sometimes called (''Seiyō Shōgi'' ) in Japan. Shogi was the earliest chess-related historical game to allow captured pieces to be returned to the board by the capturing player. This drop rule is speculated to have been invented in the 15th century and possibly connected to the practice of 15th century mercenaries switching loyalties when captured instead of being killed. The earliest predecessor of the game, chaturanga, originated in India in the sixth century, and the game was likely transmitted to Japan via China or Korea sometime after the Nara period."Shogi". ''Encyclopædia Britannica''. 2002. Shogi in its present form was played as early as the 16th century, while ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Free Internet Chess Server
The Free Internet Chess Server (FICS) is a volunteer-run Internet chess server. It was organised as a free alternative to the Internet Chess Club (ICC), after that site began charging for membership. History The first Internet chess server, named the Internet Chess Server (ICS), started in January 1992. The software was coded, supported, and operated by volunteers until 1995, when administrators began charging players for membership and changed the name to ICC. Several former ICS programmers saw the commercialisation of ICS as an exploitation of their work. This group, led by Chris Petroff and Henrik Gram, developed FICS as an alternative to the paid model, giving users free, unrestricted access. The server debuted on . In 1998, the Free Internet Chess Organization (FICS) was organized as a nonprofit organization. In 2007, the legal entity was involuntarily dissolved. The server is still maintained and administered by volunteers. In 2016, 50,000 active players played a total ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Promotion (chess)
In chess, promotion is the replacement of a pawn with a new piece when the pawn is moved to its last . The player replaces the pawn immediately with a queen, rook, bishop, or knight of the same . The new piece does not have to be a previously captured piece. Promotion is mandatory; the pawn cannot remain as a pawn. Promotion to a queen is known as queening; promotion to any other piece is known as underpromotion. Promotion is almost always to a queen, as it is the most powerful piece. Underpromotion might be done for various reasons, such as to avoid stalemate or for tactical reasons related to the knight's unique movement pattern. Promotion or the threat of it often decides the result in an endgame. Rules When a pawn is promoted, it is removed from the board, and the new piece is placed on the square of promotion. A piece may be promoted to regardless of whether it has been captured. Consequently, a player might have two or more queens, or three or more rooks, bishops, or kni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internet Chess Club
The Internet Chess Club (ICC) is a commercial Internet chess server devoted to the play and discussion of chess and chess variants. ICC had over 30,000 subscribing members in 2005.John Black, Martin Cochran, Martin Ryan Gardner"Lessons Learned: A Security Analysis of the Internet Chess Club" acsac, pp.245–253, 21st Annual Computer Security Applications Conference (ACSAC'05), 2005. It was the first Internet chess server and was the largest pay to play chess server in 2005. History The first Internet chess server (ICS), programmed by Michael Moore and Richard Nash, was launched on 15 January 1992. Players logged in by telnet, and the board was displayed as ASCII text. Bugs in the server software allowed illegal moves, false checkmates etc. Over time more and more features were added to ICS, such as Elo ratings and a choice of graphical interfaces. The playing pool grew steadily, many of the server bugs were fixed, and players began to have higher expectations for stability. L ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Algebraic Notation (chess)
Algebraic notation (or AN) is the standard method for recording and describing the moves in a game of chess. It is based on a system of coordinates to uniquely identify each square on the chessboard. It is used by most books, magazines, and newspapers. In English-speaking countries, the parallel method of descriptive notation was generally used in chess publications until about 1980. A few players still use descriptive notation, but it is no longer recognized by FIDE, the international chess governing body. Algebraic notation exists in various forms and languages and is based on a system developed by Philipp Stamma. Stamma used the modern names of the squares, but he used p for pawn moves and the original of a piece (a through h) instead of the initial letter of the piece name. The term "algebraic notation" may be considered a misnomer, as the system is unrelated to algebra. Other terms such as "standard notation" and "coordinate notation" have been proposed, but the traditional ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forsyth–Edwards Notation
Forsyth–Edwards Notation (FEN) is a standard notation for describing a particular board position of a chess game. The purpose of FEN is to provide all the necessary information to restart a game from a particular position. FEN is based on a system developed by Scottish newspaper journalist David Forsyth. His system became popular in the 19th century; Steven J. Edwards extended it to support use by computers. FEN is defined in the "Portable Game Notation Specification and Implementation Guide". In the Portable Game Notation for chess games, FEN is used to define initial positions other than the standard one. FEN does not provide sufficient information to decide whether a draw by threefold repetition may be legally claimed or a draw offer may be accepted; for that, a different format such as Extended Position Description is needed. Definition A FEN record defines a particular game position, all in one text line and using only the ASCII character set. A text file with only FEN ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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