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Check (chess)
In chess and similar games, check is a condition that occurs when a player's king is under threat of on the opponent's next turn. A king so threatened is said to be ''in check''. A player must get out of check if possible by moving the king to an unattacked square, interposing a piece between the threatening piece and the king, or capturing the threatening piece. If the player cannot remove the check by any of these options, or if using any of these options would result in the player being in check by another piece, the game ends in checkmate and the player loses. Players cannot make any move that puts their own king in check. Overview A check is the result of a move that places the opposing king under an immediate threat of capture by one (or, in rare cases, two) of the player's pieces. Making a move that checks is sometimes called "giving check". Even if a piece is pinned against the player's own king, it may still give check. For example, in the diagrammed position ...
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White And Black In Chess
In chess, the player who moves first is called White, and the player who moves second is called Black. Their pieces are the white pieces and the black pieces. The pieces are often not literally white and black, but usually contrasting light and dark colors. The 64 squares of the chessboard, which is colored in a checkered pattern, are likewise the "white squares" or "light squares", and "black squares" or "dark squares"; they are usually of contrasting light and dark color rather than literally white and black. For example, the squares on vinyl boards may be off-white ("buff") and green, while those on wood boards are often light brown and dark brown. white: 1. There are 16 light-colored pieces and 32 squares called white. 2. When capitalized, the word refers to the player of the white pieces. An entry in the ''Glossary of terms in the Laws of Chess'' at the end of the current FIDE laws also appears for Black. In old chess writings, the sides are often called Red and Black beca ...
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Double Check
In chess and other related games, a double check is a check delivered by two pieces simultaneously. In chess notation, it is almost always represented the same way as a single check ("+"), but is sometimes symbolized by "++". (The symbol "++", however, is also sometimes used to denote checkmate.) This article uses "++" for double check and "#" for checkmate. Chess The most common form of double check involves one piece moving to deliver check and revealing a discovered check at the same time from a piece it had been blocking. The only possible reply to a double check is a king move, as it is impossible to block or capture both checking pieces at once. In exceptional circumstances, it is possible for the moved piece in a double check to not give check. The only way for this to happen in orthodox chess is by way of an ''en passant'' capture. In the position shown from Gundersen–Faul, 1928, Black has just played 14...g7–g5. White replies 15.hxg6 #. The result is a doub ...
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Combination (chess)
In chess, a combination is a sequence of moves, often initiated by a sacrifice, which leaves the opponent few options and results in tangible gain. At most points in a chess game, each player has several reasonable options from which to choose, which makes it difficult to plan ahead except in strategic terms. Combinations, in contrast to the norm, are sufficiently forcing that one can calculate exactly how advantage will be achieved against any defense. Indeed, it is usually necessary to see several moves ahead in exact detail before launching a combination, or else the initial sacrifice should not be undertaken. Definition In 1952/53, the editors of '' Shakhmaty v SSSR'' decided on this definition: ''A combination is a forced sequence of moves which uses tactical means and exploits specific peculiarities of the position to achieve a certain goal.'' Irving Chernev wrote:What is a combination? A combination is a blend of ideas – pins, forks, discovered checks, double attack ...
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Tempo (chess)
In chess and other chess-like games, a tempo (from ) is a "turn" or single move (a half-move or ply made either by White or Black). When a player achieves a desired result in one fewer move, the player is said to "gain a tempo"; conversely, when a player takes one more move than necessary, the player is said to "lose a tempo". Similarly, when a player forces their opponent to make moves not according to their initial plan, one is said to "gain tempo" because the opponent is wasting moves. A move that gains a tempo is often called "a move with tempo". A simple example of losing a tempo may be moving a rook from the h1-square to h5 and from there to h8 in the first diagram; simply moving from h1 to h8 would have achieved the same result with a tempo to spare. However, such maneuvers do not always lose a tempo—the rook on h5 may make some threat which needs to be responded to. In this case, since both players have "lost" a tempo, the net result in terms of time is nil, but the cha ...
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Encyclopaedia Of Chess Openings
The ''Encyclopaedia of Chess Openings'' (''ECO'') is a reference work describing the state of Chess theory#Opening theory, opening theory in chess, originally published in five volumes from 1974 to 1979 by the Socialist Federal Republic of Yugoslavia, Yugoslavian 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 Chess Informant, 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 Grandmaster (chess), grandmasters, who select the lines which they consider most relevant or critical. The chief editor since the first edition has been Aleksandar Matanović (1930-2023). The openings are provided in an chess opening theory table, ''ECO'' table that concisely p ...
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Algebraic Chess Notation
Algebraic notation is the standard method of chess notation, used for recording and describing moves. It is based on a system of coordinates to identify each square on the board uniquely. It is now almost universally used by books, magazines, newspapers and software, and is the only form of notation recognized by FIDE, the international chess governing body. An early form of algebraic notation was invented by the Syrian player Philip Stamma in the 18th century. In the 19th century, it came into general use in German chess literature and was subsequently adopted in Russian chess literature. Descriptive notation, based on abbreviated natural language, was generally used in English language chess publications until the 1980s. Similar descriptive systems were in use in Spain and France. A few players still use descriptive notation, but it is no longer recognized by FIDE, and may not be used as evidence in the event of a dispute. The term "algebraic notation" may be considered a m ...
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Rapid Chess
Fast chess, also known as speed chess, is a type of chess in which each player is given less time than classical chess time controls allow. Fast chess is subdivided, by decreasing time controls, into rapid chess, blitz chess, and bullet chess. Armageddon chess is a chess variant, variant of fast chess with Glossary of chess#Draw odds, draw odds for black and unequal time controls, used as a tiebreaker of last resort. As of January 2025, the top-ranked rapid chess player and the top-ranked blitz chess player in the open section is Magnus Carlsen from Norway, who is also the top-ranked classical chess player. The reigning World Rapid Chess Championship, World Rapid Chess Champion is Volodar Murzin of Russia. The reigning World Blitz Chess Championship, World Blitz Chess Champions are Magnus Carlsen and Ian Nepomniachtchi of Russia (who shared victory in World Blitz Chess Championship 2024, 2024). As of January 2025, Ju Wenjun of China is the women's top-ranked rapid player, who is ...
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FIDE
The International Chess Federation or World Chess Federation, commonly referred to by its French acronym FIDE ( , ), is an international organization based in Switzerland that connects the various national chess federations and acts as the Sport governing body, governing body of international chess competition. FIDE was founded in Paris, France, in 1924. Its motto is , Latin for 'We are one Family'. In 1999, FIDE was recognized by the International Olympic Committee (IOC). there are 201 FIDE Federations, member federations of FIDE. The current world chess champion is Gukesh Dommaraju, Gukesh Dommaraju. Role FIDE's most visible activity is organizing the World Chess Championship since 1948. FIDE also organizes world championships for Women's World Chess Championship, women, World Junior Chess Championship, juniors, World Senior Chess Championship, seniors, and the Disability, disabled, as well the world championships for the shorter time formats World Rapid Chess Championship, r ...
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Cross-check (chess)
In chess, a cross-check (or counter-check) is a Chess tactics, tactic in which a check (chess), check is played in response to a check, especially when the original check is blocked by a chess piece, piece that itself either delivers check or reveals a discovered check from another piece. Sometimes the term is extended to cover cases in which the King (chess), king moves out of check and reveals a discovered check from another piece (this is also known as a ''royal check''); it does not generally apply to cases where the original checking piece is captured. The cross-check is an essential tactic in winning some chess endgame, endgames such as those with two queen (chess), queens versus one, or a queen and pawn versus queen endgame, queen and pawn versus a queen. In these cases, the defense usually tries for a perpetual check and sometimes the stronger side can stop it only by a cross-check. Examples A cross-check occurs from time to time in games. It is an essential chess tactic, ...
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En Passant
In chess, ''en passant'' (, "in passing") describes the capture by a Pawn (chess), pawn of an enemy pawn on the same and an adjacent that has just made an initial two-square advance. This is a special case in the rules of chess. The capturing pawn moves to the square that the enemy pawn passed over, as if the enemy pawn had advanced only one square. The rule ensures that a pawn cannot use its two-square move to safely skip past an enemy pawn. Capturing ''en passant'' is permitted only on the turn immediately after the two-square advance; it cannot be done on a later turn. The capturing move is sometimes Chess notation, notated by appending the abbreviation e.p. Rules The conditions for a pawn to capture an enemy pawn ''en passant'' are as follows: * the enemy pawn Rules of chess#Basic moves, advanced two squares on the previous turn; * the capturing pawn attacks the square that the enemy pawn passed over. If these conditions are met, the capturing pawn can move diagonal ...
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Discovered Check
In chess, a discovered attack is a direct attack revealed when one piece moves out of the way of another. Discovered attacks can be extremely powerful, as the piece moved can make a threat independently of the piece it reveals. Like many chess tactics, they often succeed because the opponent would be unable to meet two threats at once unless one of the attacked pieces can simultaneously move away from its own attack and capture the other attacking piece. While typically the consequence of a discovered attack is the gain of , they do not have to do this to be effective; the tactic can be used merely to gain a tempo.More detailed tutorial
at MarkLowery.net If the discovered attack is a check, it is call ...
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