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- CAISSA look up translate image
- Goddess (muse) of Chess. The name is taken from a nymphin a poem composed by Sir William Jones in 1763. It is based on Vidas Scacchia ludus, in which the nymph is referred to as Scacchis.
- CALCULATE look up translate image
- To precisely work out a series of moves considering potential replies.
- CALCULATION look up translate image
- The working out of variations mentally, without moving the pieces.
- CALCULATION OF VARIATIONS look up translate image
- The working out of chains of moves without physically moving the pieces.
- CANDIDATE look up translate image
- A player who competes in the eliminating contest for the privilege to challenge the World Chess Champion. The Candidates matchesare the final eliminating stage of the competition to decide the World Champions opponent in the title match.
- CANDIDATE MOVE look up translate image
- A move considered as a starting point in the analysis of variations.
- CAPPED PAWN look up translate image
- A marked pawn with which a player engages to deliver checkmate, in giving extreme odds to a weaker opponent.
- CAPTURE look up translate image
- The movement of a minor or major piece from the departure cell to the arrival cell and to capture a enemy piece in the process. To capture, a player must make a legal move that lands a piece on a cell containing an enemy piece. The captured enemy piece is taken from the board and removed from the game. To capture a MP/mp means to deprive your opponent (:A or :B) of the use of that MP/mp. The MP/mp has been taken and leaves the board.
Moving a piece to a square occupied by an enemy piece, thereby removing the enemy piece from the board, out of play. Once a piece is captured, it may never return to the game.
- CASTLE look up translate image
- 1. The act of moving the king and rook simultaneously. This is the only time in the game where two pieces can be moved in the same turn. Castling consists of moving the king two squares either right or left, and placing the rook on the square beside the king closest to the centre. There must be no pieces between king and rook, neither piece may have already moved, and the King may not move out of Check, over it, or into it. Castling is usually worthwhile because it moves the King to a safer position...(more)
- CASTLE LONG look up translate image
- Queenside castling.
- CASTLE SHORT look up translate image
- Kingside castling.
- CASTLING look up translate image
- A combined move of King and Rook permitted once for each side during a game. The King moves two squares to either side, and the Rook toward which it moves is placed on the square the King passed over. This is the only move in which the King moves more than one square at a time and in which more than one piece is moved.
- CENTER look up translate image
- The four squares in the geometrical center of the board. The opening moves are meant to gain control of the center. The 'e'' and "d" files are the center files.
- CENTRALISATION look up translate image
- To move pieces towards the centre. This can be useful if there is no obvious alternative plan.
- CENTRALIZE look up translate image
- Placing of pieces and pawns so they both control the centre, and influence other areas of the board. Pieces usually have maximum mobility (and therefore power) when centrally placed.
- CENTRE look up translate image
- The four centre squares e4, d4, e5 and d5. The area bounded by c3, c6, f3 and f6 is also considered central. The d and e files are the centre files. The centre of the board is of great strategic significance, as pieces placed there generally have the greatest scope.
- CENTRE BREAK look up translate image
- The attack on two or more pawns abreast on the 4th rank by an opposing pawn in order to break up their formation.
- CENTRE FORK TRICK look up translate image
- A series of moves where a knight is sacrificed for a centre pawn, knowing that it can be recovered by a pawn fork and the enemy's central pawn structure will be destroyed by doing so.
- CENTRE PAWNS look up translate image
- The king's and queen's pawns.
- CHEAPO look up translate image
- A clever tactical combination or trap usually made by a losing side to hold a draw or even a win.
- CHECK look up translate image
- It refers to a King that is being attacked by an enemy piece. The King should move out of check, place another piece between the King and the attacking piece, or the attacking piece must be captured.
The act of attacking the opponent's king. When check takes place, a player usually calls out "check" so the opponent is aware of the threat. The opponent must get out of check on the next move, either by moving the King, capturing the attacking piece, or moving another piece between the King and the attacking piece.
- CHECKMATE look up translate image
- An attack against the opponent's King which the King cannot escape. Any position where a King cannot avoid capture. The objective end of a Chess game. When a player checkmates his enemy's King, he wins the game.
Threatening the capture of the enemy king such that it cannot escape. This wins the game for the attacking side.
- CHESSMEN look up translate image
- CLASSICAL look up translate image
- 1. A playing style based on the formation of a full pawn centre. The strategic concepts involved are seen as ultimate laws, and therefore rather dogmatic. 2. An era where all players used this style and those that did not were considered irregular.
- CLEARANCE look up translate image
- A move that clears a square for use by a different piece. The new piece can use the square to better advantage. A "clearance sacrifice" is where the vacating piece is sacrificed to make room.
- CLEARANCE SACRIFICE look up translate image
- A move that sacrifices an obstructing piece to make way for a strong or better move.
- CLOCK look up translate image
- Paired clocks used in all official tournaments and in club games. After a player moves, he depresses a lever that stops his clock and starts his opponent's. Each clock, therefore, registers only the elapsed time for one player. If a player exceeds the time limit set on his clock, a flag falls and he loses the game, even if he has a clear winning position.
- CLOSED look up translate image
- A term used to describe a position where Pawns block the mobility of the pieces around some or all of the board. The opposite of an open position.
- CLOSED FILE look up translate image
- A file blocked by both black and white Pawns.
- CLOSED GAME look up translate image
- A game which the position is obstructed by blocking Pawns. Such a position favors Knights over Bishops since Pawns often block diagonals.
A position where the pawn structure is fixed, the centre cluttered with interlocked pawns. Knights thrive in such positions, and play is generally focused on the flanks.
- COMBINATION look up translate image
- A series of moves or a tactical exploitation of a position which will force an immediate win by an overwhelming advantage in material or position. Most combinations sometimes start with a sacrifice of material.
A sacrifice and forced sequence of moves to gain a certain advantage.
- COMPENSATION look up translate image
- An equivalent advantage that offsets an advantage of the enemy's, for example material vs. development, space vs. superior minor piece, or three pawns vs. knight.
- COMPOSITION look up translate image
- A constructed position (as opposed to a position found in a game) serving as a Chess problem.
- CONNECTED PASSED PAWNS look up translate image
- Two or more passed Pawns of the same color on adjacent files which can protect themselves.
Two or more same-colour passed pawns on adjacent files. See "Passed pawn".
- CONNECTED PAWNS look up translate image
- Pawns adjacent to one another.
- CONNECTED ROOKS look up translate image
- When the two rooks are on the same rank or file, with no pieces or pawns between them. Rooks are very strong when they are connected, as they support each other.
- CONSOLIDATE look up translate image
- Taking care of your position before continuing active operations. This could mean adding protection to critical pawns or squares, improving the placement of pieces, or making the king safer.
- CONTROL look up translate image
- The domination or sole use of a square, group of squares, file ordiagonal. One is also "in control" when one has the initiative.
- COOK look up translate image
- A second key move, unintended by the composer. A cook is a serious flaw, and invalidates a problem. The publication of cooked problems was once common, but in the modern era computers can be used to check for cooks, and cooked problems are rarely published.
- COORDINATES look up translate image
- Unique square identifiers, made up of a number indicating rank and a letter indicating file.
- CORRESPONDENCE CHESS look up translate image
- Chess game played by post or an electronic transmission.
- COUNTER ATTACK look up translate image
- The launch of an attack by the defender, rather than making more defensive moves. Designed to place the opponent on the defensive.
- COUNTER GAMBIT look up translate image
- A strategy in which a minor piece or Pawn is offered for sacrifice in response to an earlier gambit by the opponent.
- COUNTER PLAY look up translate image
- When the player who has been on the defensive starts his own aggressive action.
- COUNTER THREAT look up translate image
- See "Counter attack".
- COUNTERPLAY look up translate image
- Aggressive actions by the defender. Counterplay may equalize the chances, may be not quite enough to equalize, or may seize the initiative and gain an advantage.
- CRAMPED look up translate image
- The quality of a Chess position that inhibits mobility or freedom of movement for pieces behind Pawns of the same color. A cramped position lacks space. When a player's position is judged to be cramped, then that player has less freedom of maneuver than his opponent. A player that is cramped cannot switch the play from one side of the board to the other as quickly as his opponent. A cramped position is one key quality in assessing a Chess position.
Disadvantaged in space, leading to a reduction in mobility of one's pieces.
- CRITICAL POSITION look up translate image
- A point where the evaluation of the position will obviously favour one side, or where it will equalize. The position is delicately balanced and the slightest mistake could be disastrous.
- CROSS-CHECK look up translate image
- A check in reply to a check. Typical of queen endings.
- CYLINDRICAL BOARD look up translate image
- A board in which the a and h-files are considered to be connected (a "vertical cylinder") or the first and eighth ranks are connected (a "horizontal cylinder"). A combination of the vertical and horizontal cylinders is called an "anchor ring".
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