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Patrol Chess
Patrol chess is a chess variant in which captures can be made and checks given only if the capturing or checking piece is guarded (or ''patrolled'') by a friendly unit. Non-capturing and non-checking moves are played as normal. The variant was invented by Frederik Hendrik von Meyenfeldt who published a chess problem using the rules in ''The Problemist'' (the magazine of the British Chess Problem Society) in 1975. Patrol chess has often been used as a condition in chess problems. It is also possible to play complete games under Patrol chess rules. Example The diagram position shows some of the peculiarities of Patrol chess. The white king cannot take the black knight because it is not guarded by a friendly piece. Similarly, the black rook is not giving check, and neither is the white knight on f7. If White were to play Nbd8, however, this would be check, as the knights would patrol one another. Black could reply ...Ke4, with checkmate: the king patrols the rook on e3 giving check ... [...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] |
Chess Problem
A chess problem, also called a chess composition, is a puzzle set by the composer using chess pieces on a chess board, which presents the solver with a particular task. For instance, a position may be given with the instruction that White is to move first, and checkmate Black in two moves against any possible defence. A chess problem fundamentally differs from over-the-board play in that the latter involves a struggle between black and white, whereas the former involves a competition between the composer and the solver. Most positions which occur in a chess problem are 'unrealistic' in the sense that they are very unlikely to occur in over-the-board play. There is a good deal of specialized jargon used in connection with chess problems; see glossary of chess problems for a list. Definition The term "chess problem" is not sharply defined: there is no clear demarcation between chess compositions on the one hand and puzzles or tactical exercises on the other. In practice, however, t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Problemist
''The Problemist'' is a bimonthly chess problem magazine which has been in publication since January 1926. It originally had the subtitle "Proceedings of the British Chess Problem Society" but the words "Proceedings of" were dropped in January 1985. History and profile The foreword to the first issue, written by the editor T. R. Dawson, begins: "This little journal, bringing Happy New Year Greetings to every member of the B. C. P. S., will be to most of you a surprise calling for explanation. Its origin lies in the desire to have a medium in which the Society, as a collection of units and as a unity, may give expression to its thoughts and life. Following a suggestion from Mr F. F. L. Alexander, at the last annual general meeting, I obtained quotations for printing this periodical which enabled me to formulate a practical scheme for its continuance within the limits of our income. The scheme was unanimously adopted at a special meeting on Nov. 27th last, with Mr B. G. Laws in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Chess Problem Society
The British Chess Problem Society is considered the oldest chess problem society in the world. The inaugural meeting of the British Chess Problem Society took place on 10 August 1918 at St George's Restaurant, 37 Martin's Lane London WC at 3pm. The meeting was chaired by the mathematical puzzle expert Henry Ernest Dudeney who was chairman of the Sussex Chess Problem Fraternity (SCPF). Officers elected were: President B. G. Laws, Treasurer H. D'O. Bernard, Auditor P. H. Williams, Secretary H. W. Butler. The first meeting of the new Society was on 2 November 1918, at the same venue, when its constitution was approved. The BCPS Minute Book gives a full list of the 18 vice-presidents and 63 members who had been enrolled, plus 34 SCPF members. The ''British Chess Magazine'' for December 1918 reported the membership as being 126. A short-lived ''British Chess Problem Journal'' was started by H. W. Butler in April 1919, but he had to resign due to ill health and G. W. Chandler took over a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hans Bodlaender
Hans Leo Bodlaender (born April 21, 1960) is a Dutch computer scientist, a professor of computer science at Utrecht University. Bodlaender is known for his work on graph algorithms and parameterized complexity and in particular for algorithms relating to tree decomposition of graphs. Life and work Born in Bennekom, Bodlaender was educated at Utrecht University, earning a doctorate in 1986 under the supervision of Jan van Leeuwen with the thesis ''Distributed Computing – Structure and Complexity.'' After postdoctoral research at the Massachusetts Institute of Technology in 1987, he returned to Utrecht as a faculty member. In 1987 he was appointed Assistant Professor and in 2003 Associate Professor. In 2014 he became full professor of algorithms and complexity at Utrecht, and at the same time added a part-time professorship in network algorithms at Eindhoven University of Technology. Bodlaender has written extensively about chess variants and founded the website ''The Chess Va ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Chess Variant Pages
''The Chess Variant Pages'' is a non-commercial website devoted to chess variants. It was created by Hans Bodlaender in 1995. The site is "run by hobbyists for hobbyists" and is "the most wide-ranging and authoritative web site on chess variants". The site contains a large compilation of games with published rules. The aims of the site are to educate readers about chess variants, encourage gameplay, and provide a place for free discussion. The site has featured game competitions as well as variant design competitions, and provides facilities for publishing documents. Numerous files are available for playing variants using the Zillions of Games proprietary software engine. The site also features The Game Courier software developed by Fergus Duniho which can be used to play almost any variant. There is also an extensive encyclopedia of fairy chess piece A fairy chess piece, variant chess piece, unorthodox chess piece, or heterodox chess piece is a chess piece not used in conventio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Java (programming Language)
Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers ''write once, run anywhere'' ( WORA), meaning that compiled Java code can run on all platforms that support Java without the need to recompile. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. The syntax of Java is similar to C and C++, but has fewer low-level facilities than either of them. The Java runtime provides dynamic capabilities (such as reflection and runtime code modification) that are typically not available in traditional compiled languages. , Java was one of the most popular programming languages in use according to GitHub, particularly for client–server web applications, with a reported 9 million developers. Java was originally developed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Variants
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] |
Fairy Chess
Fairy chess is the area of chess composition in which there are some changes to the rules of chess. The term was introduced by Henry Tate in 1914. Thomas R. Dawson (1889–1951), the "father of fairy chess", invented many fairy pieces and new conditions. He was also problem editor of ''Fairy Chess Review'' (1930–1951). Although the term "fairy chess" is sometimes used for games, it is more usually applied to problems where the board, pieces, or rules are changed to express an idea or theme impossible in orthodox chess. Variations on chess intended to create complete, playable games are more typically referred to as chess variants. Types of fairy chess problems Types of changed rules in fairy chess problems include: * ''New stipulations:'' Probably the most-used alterations are new stipulations about mate instead of a direct mate stipulation. Many of them were invented and some became established. Selfmates and helpmates are nowadays often considered to be orthodox (not fair ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1975 In Chess
Events in chess in 1975; Top players FIDE top 10 by Elo rating - January 1975 # Bobby Fischer 2780 # Anatoly Karpov 2705 # Viktor Korchnoi 2665 # Tigran Petrosian 2645 # Lev Polugaevsky 2645 # Mikhail Tal 2645 # Lajos Portisch 2635 # Bent Larsen 2625 # Boris Spassky 2625 # Robert Hübner 2615 Chess news in brief *In what is an unsatisfactory chapter in the history of the World Chess Championship, Bobby Fischer and FIDE fail to agree terms for a defence of his world title. The American has many requests, including some radical changes to the format of a match between himself and challenger Anatoly Karpov. Most of his demands are met, but there are two outstanding issues which continue to cause an impasse at the FIDE special conference in The Netherlands. Fischer's unresolved demands are firstly, that the match be of unlimited duration and secondly, that the challenger should need to win by two clear games (a minimum of 10-8). After being informed by telephone that FIDE ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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