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Zepler Doubling
Zepler doubling is a manoeuvre in chess in which a piece moves along a certain line (rank, file or diagonal), then another friendly piece moves onto that same line, then the first piece moves again in the same direction as before. The term is effectively limited to the field of chess problems. The first problem to show the idea (shown to the right), by Erich Zepler himself, is a simple and clear demonstration of the manoeuvre. The straightforward doubling 1.Rgb2, threatening 2.Rb8#, fails to 1...Bxd6, so the more roundabout Zepler doubling is required: 1.Rb4 Bg7 (now 1...Bxd6 is no good because of 2.Rg8+) 2.Rgb2 any 3.Rb8#. Zepler doubling can be contrasted with another doubling manoeuvre, Turton doubling. References * David Hooper and Kenneth Whyld, "Erich Ernest Zepler" in ''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 f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hamburgischer Correspondent
''Hamburgischer Correspondent'' was the oldest political newspaper in the city of Hamburg in Germany. It was highly respected and often cited in newspapers of neighboring countries. It was politically slanted towards the government, national-liberal, but most of the time independent of any political party. The newspaper was published for more than 200 years, but closed down during the Nazi years. History Its history started in 1710 or 1711 when the book printer Holle in Schiffbeck near Hamburg published the ''Schiffbecker Posthorn'' twice weekly. Its name changed to ''Aviso'' and in 1721–1731 its title was ''Staats- und Gelehrte Zeitungen des holsteinischen unparteyischen Correspondenten''. After it was acquired by another book printer Georg Christian Grund, and moved to Hamburg, its name changed to ''Staats- und gelehrte Zeitung des Hamburgischen unparteyischen Correspondenten'' (State and scholarly newspaper of Hamburg's nonpartisan correspondents). During French rule in H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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, ... [...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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Erich Zepler
Erich Ernst Zepler (27 January 1898 - 13 May 1980), later known as Eric Ernest Zepler, was a Germany, German-born electronics expert, lecturer, and chess problem composer. A Jew, he fled Germany in 1935, leaving behind all his possessions, and settled in England, dropping the H in his first name, and adding an E to his middle name, to become Eric Ernest Zepler. Education Zepler studied physics in Berlin and Bonn before receiving his doctorate from the University of Würzburg. He was a Doctor of Philosophy (DPhil) of the University of Würzburg (by research), and a Doctor of Science (DSc) of the University of Southampton (by honorary award in 1977), where he had been Professor of Electronics for more than a decade. Working life After completing his doctoral studies Zepler undertook further research at Würzburg University, before commencing work for Telefunken in Germany, eventually becoming head of the radio receiver laboratories. Having fled to England to avoid Nazi persecution ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turton Doubling
Turton doubling is a manoeuvre in chess in which a piece moves along a line (rank, file or diagonal), then a similarly-moving piece moves onto the same line in front of it, then this second piece moves again along this line, in the opposite direction to that of the first. Use of the term is effectively limited to the field of chess problems, although it happens in real games a well (especially when White moves the bishop on d3 back to let the queen in front to threaten Qh7#, and analogous for Black). The idea can be understood in reference to the problem to the right, the first to demonstrate the manoeuvre, composed by its eponym, Henry Turton. A mate in three, the solution is 1.Bh8 (threatening 2.Qa3#) 1...b4 2.Qg7 Ra8 (defending against 3.Qa7#) 3.Qxb2#. The bishop moves along the diagonal a1-h8, then the queen moves onto that same diagonal, then the queen moves again in the opposite direction to the bishop. Specific types of Turton doubling are the Loyd-Turton, in which the fi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Vincent Hooper
David Vincent Hooper (31 August 1915 – 3 May 1998), born in Reigate, was a British chess player and writer. As an amateur, he tied for fifth place in the 1949 British Championship at Felixstowe. He was the British 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 ... champion in 1944 and the London Chess Champion in 1948. He played in the Chess Olympiad at Helsinki in 1952. Hooper was an expert in the chess endgame and in chess history of the nineteenth century. He is best known for his chess writing, including ''The Oxford Companion to Chess'' (1992 with Ken Whyld), ''Steinitz'' (Hamburg 1968, in German), and ''A Pocket Guide to Chess Endgames'' (London 1950) Books by Hooper * * * * * * * References * * External links * ObituaryRemembering D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kenneth Whyld
Kenneth Whyld (6 March 1926 – 11 July 2003) was a British chess author and researcher, best known as the co-author (with David Hooper) of ''The Oxford Companion to Chess'', a single-volume chess reference work in English. Whyld was a strong amateur chess player, taking part in the British Chess Championship in 1956 and winning the county championship of Nottinghamshire. He subsequently made his living in information technology while writing books on chess and researching its history. As well as ''The Oxford Companion to Chess'', Whyld was the author of other reference works such as ''Chess: The Records'' (1986), an adjunct to the ''Guinness Book of Records'' and the comprehensive ''The Collected Games of Emanuel Lasker'' (1998). He also researched more esoteric subjects, resulting in works such as ''Alekhine Nazi Articles'' (2002) on articles in favour of the Nazi Party supposedly written by world chess champion Alexander Alekhine, and the bibliographies ''Fake Automata i ... [...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 of chess, rules, list of chess terms, terms, chess strategy, strategies, chess tactics, tactics, over 500 brief biographies of famous players, and entries on more than 700 named chess opening, 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 * Reissued in paperback (with corrections) in 1987 by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Problems
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, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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