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Chess Opening Book (computers)
Opening book is often used to describe the database of chess openings given to Computer chess, computer chess programs (and related games, such as computer shogi). Such programs are quite significantly enhanced through the provision of an electronic version of an Chess opening book, opening book. This eliminates the need for the program to calculate the best lines during approximately the first ten moves of the game, where the positions are extremely open-ended and thus computationally expensive to evaluate. As a result, it places the computer in a stronger position using considerably less resources than if it had to calculate the moves itself. On some occasions, a player might consider playing a strange move outside the opening book to force a computer to think for itself. While this may introduce a strategic weakness, a lot of the time, playing out of the book early may end up compromising one's own pawn structure, losing a tempo or allow the opponent to develop more effectively ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Opening
A chess opening or simply an opening is the initial stage of a chess game. It usually consists of established theory; the other phases are the middlegame and the endgame. Many opening sequences have standard names such as the "Sicilian Defense". ''The Oxford Companion to Chess'' lists 1,327 named openings and variants, and there are many others with varying degrees of common usage. Opening moves that are considered standard are referred to as "book moves", or simply "book". When a game begins to deviate from known opening theory, the players are said to be "out of book". In some openings, "book" lines have been worked out for over 30 moves, as in the classical King's Indian Defense and in the Najdorf variation of the Sicilian Defense. Professional chess players spend years studying openings, and continue doing so throughout their careers, as opening theory continues to evolve. Players at the club level also study openings but the importance of the opening phase is smaller t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encyclopaedia Of Chess Openings
The ''Encyclopaedia of Chess Openings'' () is a reference work describing the state of opening theory in chess, originally published in five volumes from 1974 to 1979 by the Serbian company Šahovski Informator (Chess Informant). It is currently undergoing its fifth edition. ''ECO'' may also refer to the opening classification system used by the encyclopedia. Overview Both ''ECO'' and ''Chess Informant'' are published by the Belgrade-based company Šahovski Informator. The moves are taken from thousands of master games and from published analysis in ''Informant'' and compiled by the editors, most of whom are grandmasters, who select the lines which they consider most relevant or critical. The chief editor since the first edition has been Aleksandar Matanović. The openings are provided in an ''ECO'' table that concisely presents the opening lines considered most critical by the editors. ''ECO'' covers the openings in more detail than rival single volume publications such as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Databases
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, two b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Openings
A chess opening or simply an opening is the initial stage of a chess game. It usually consists of established theory; the other phases are the middlegame and the endgame. Many opening sequences have standard names such as the "Sicilian Defense". ''The Oxford Companion to Chess'' lists 1,327 named openings and variants, and there are many others with varying degrees of common usage. Opening moves that are considered standard are referred to as "book moves", or simply "book". When a game begins to deviate from known opening theory, the players are said to be "out of book". In some openings, "book" lines have been worked out for over 30 moves, as in the classical King's Indian Defense and in the Najdorf variation of the Sicilian Defense. Professional chess players spend years studying openings, and continue doing so throughout their careers, as opening theory continues to evolve. Players at the club level also study openings but the importance of the opening phase is smaller t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chess Endgame Literature
Chess endgame literature refers to books and magazines about chess endgames. A bibliography of endgame books is below. Many chess masters have contributed to the Chess theory#Endgame theory, theory of endgames over the centuries, including Ruy López de Segura, François-André Danican Philidor, François-André Philidor, Josef Kling and Bernhard Horwitz, Johann Berger, Alexey Troitsky, Yuri Averbakh, and Reuben Fine. Ken Thompson, Eugene Nalimov, and other computer scientists have contributed by constructing endgame tablebases. Some endgame books are general works about many different kinds of endgames whereas others are limited to specific endgames such as rook (chess), rook endgames or pawnless chess endgame, pawnless endgames. Most books are one volume (of varying size), but there are large multi-volume works. Most books cover endgames in which the proper course of action (see list of chess terms#Optimal play) has been analyzed in detail. However, an increasing number of bo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endgame Tablebase
An endgame tablebase is a computerized database that contains precalculated exhaustive analysis of chess endgame positions. It is typically used by a computer chess engine during play, or by a human or computer that is retrospectively analysing a game that has already been played. The tablebase contains the game-theoretical value (win, loss, or draw) in each possible position, and how many moves it would take to achieve that result with perfect play. Thus, the tablebase acts as an oracle, always providing the optimal moves. Typically the database records each possible position with certain pieces remaining on the board, and the best moves with White to move and with Black to move. Tablebases are generated by retrograde analysis, working backward from a checkmated position. By 2005, all chess positions with up to six pieces, including the two kings, had been solved. By August 2012, tablebases had solved chess for almost every position with up to seven pieces, but the positio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shogi Opening
A shogi opening ( ) is the sequence of initial moves of a shogi game before the middle game. The more general Japanese term for the beginning of the game is ()''.'' A '' jōseki'' () is the especially recommended sequence of moves for a given opening that was considered balanced play at one point in time for both sides by professional players. (However, some ''s'' have become outdated when they are reevaluated to no longer give balanced play.) ''s'' also typically include commentary about the possible reasons to deviate from the especially regarding blunders. Note that not all openings have ''s''. For example, trap openings like Demon Slayer, while they may have standard moves, are considered to favor one player and are not balanced play. Thus, the Demon Slayer opening is not a jōseki. Introduction The very first opening moves in most games are pawn pushes. In particular, most games start with two types of pawn pushes. A player can move the rook pawn forward (P-26) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Chess Openings
This is a list of chess openings, organized by the ''Encyclopaedia of Chess Openings'' () code. In 1966, Chess Informant categorized the chess openings into five broad areas ("A" through "E"), with each of those broken down into one hundred subcategories ("00" through "99"). The openings were published in five volumes of ''ECO'', with volumes labeled "A" through "E". This is a list of chess openings by the ''ECO'' classification. A – Flank openings * White first moves other than 1.e4, 1.d4 (A00–A39) * 1.d4 without 1...d5, 1...Nf6 or 1...f5: Atypical replies to 1.d4 (A40–A44) * 1.d4 Nf6 without 2.c4: Atypical replies to 1...Nf6 (A45–A49) * 1.d4 Nf6 2.c4 without 2...e6 or 2...g6: Atypical Indian systems (A50–A79) * 1.d4 f5: Dutch Defence (A80–A99) A00–A39 White first moves other than 1.e4, 1.d4: *A00 Irregular Openings :* Anderssen's Opening: 1.a3 ::* Anderssen's Opening, Polish Gambit: 1...a5 2.b4 :::* Bugayev Attack 2...e5 ::* Anderssen's Opening, Creepy Crawl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Chess Books
This is a list of chess books that are used as references in articles related to chess. The list is organized by alphabetical order of the author's surname, then the author's first name, then the year of publication, then the alphabetical order of title. As a general rule, only the original edition should be listed except when different editions bring additional encyclopedic value. Examples of exceptions include: * When various editions are different enough to be considered as nearly a different book, for example for opening encyclopedias when each edition is completely revised and has even different authors (example: ''Modern Chess Openings''). * When the book is too old to have an ID (ISBN, OCLC number, ...) that makes it easy for the reader to find it. In that case, both the first and the last edition can be indicated. Authors with five books or more have a sub-section title on their own, to increase the usability of the table of contents. When a book was written by several au ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Modern Chess Openings
''Modern Chess Openings'' (usually called ) is a reference book on chess openings, first published in 1911 by the British players Richard Clewin Griffith (1872–1955) and John Herbert White (1880–1920). The fifteenth edition was published in 2008. Harry Golombek called it "the first scientific study of the openings in the twentieth century".Harry Golombek (editor-in-chief), ''Golombek's Encyclopedia of Chess'', Crown Publishers, 1977, p. 202. . History Although Bilguer's ''Handbuch des Schachspiels'' was more authoritative at the time ''MCO'' was first published, it was last published between 1912 and 1916, and was becoming outdated by the 1930s. ''MCO'' was popular with English-speaking players and has continued to be updated throughout the 20th century and into the 21st, with fifteen editions from 1911 through 2008. Early editions were small enough to fit in a pocket (the first edition was 190 pages), but later editions grew and the fifteenth and most recent version is 768 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
