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46-440: Chess sets generally come with sixteen pieces of each color. Additional pieces, usually an extra queen per color, may be provided for use in promotion . Each player begins with sixteen pieces (but see the subsection below for other usage of the term piece ). The pieces that belong to each player are distinguished by color: the lighter colored pieces are referred to as "white" and the player that controls them as "White", whereas

92-437: A board of sixty-four squares divided into seven levels. Star Trek Chess uses a board with movable parts divided into seven levels. In the initial position, each player occupies two of the movable four-square attack boards. The white pieces start in the lower level, using attack boards connected to this level and the first two rows of the board, while the black pieces start at the top, using the attack boards and first two rows of

138-502: A composite material. For actual play, pieces of the Staunton chess set design are standard. The height of the king should be between 3.35 to 4.13 inches (85 to 105 mm). United States Chess Federation rules call for a king height between 3.375 to 4.5 inches (85.7 to 114.3 mm). A height of about 3.75 to 4 inches (95 to 102 mm) is preferred by most players. The diameter of the king should be 40–50% of its height. The size of

184-555: A dark wood such as rosewood , ebony , red sandalwood , African Padauk wood ( African padauk which is similar to red sandalwood and is marketed as Bud Rosewood or Blood Red Rosewood) or walnut . Sometimes they are made of boxwood and stained or painted black, brown, or red. The knights in wooden sets are usually hand-carved, accounting for half the cost of the set. Plastic white pieces are made of white or off-white plastic, and plastic black pieces are made of black or red plastic. Sometimes other materials are used, such as bone, ivory, or

230-402: A figurative design. In the abstract designs, both the king and the queen resemble a throne, with the queen being smaller; the bishop displays two small protuberances, representing elephant tusks; the knight presents a single protuberance, representing the head of a horse; the rook has a V-shaped cut on the top; and the pawn usually has a simple shape. Notable archaeological chess sets include

276-469: A game against a chess engine , or simply to record the moves sequence of a game in automatic. A digital board uses sensors to detect the pieces position and each piece move can be recorded. In 1998 the 33rd Chess Olympiad was held in Elista : the games were digitally broadcast over the internet thanks the introduction of digital chess boards developed by Digital Game Technology : 328 boards were used for

322-417: A similar flat token, with a symbol printed on it to identify the piece type. A container for holding chess pieces is known as a chess box. Most commonly made of wood , a chess box can be constructed of any material. The internal box configuration can be individual slots for each chess piece, one divider to separate the white and black pieces or no divider with the chess pieces mixed together. The chess box

368-538: A single color for all squares and is divided into eight columns by eight rows, with marked squares called castles in the corners of each quadrant. Unlike in Ashtāpada, castles serve no function in chaturanga. The chessboard acquired its modern chequered pattern in the 10th century with the arrival of chess in Europe. This pattern was based on that of the then-5×5 draughts board. As a result of this change, each diagonal

414-464: A single square diagonally (the fairy chess piece Ferz ). The modern bishop's movement was popularized in the 14th and 15th centuries, and the modern queen was popularized in the 15th and 16th centuries, with versions with the more powerful modern queen eclipsing older variants. The characters implied by pieces' names vary between languages. For example, in many languages, the piece known in English as

460-495: A variety of designs, the most known being the Staunton design , named after Howard Staunton , a 19th-century English chess player, and designed by Nathaniel Cooke . The first Staunton style sets were made in 1849 by Jaques of London (also known as John Jaques of London and Jaques and Son of London ) Wooden white chess pieces are normally made of a light wood, boxwood , or sometimes maple . Black wooden pieces are made of

506-496: A wide variety of styles, sometimes for ornamental rather than practical purposes. For tournament play, the Staunton chess set is preferred and, in some cases, required. Human chess uses people as the pieces. Blindfold chess may be played without any set at all. The oldest chess sets adopted abstract shapes following the Muslim traditional sets of the shatranj game. These pieces evolved with time, as more details were added, to

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552-409: Is a popular variant which is usually played on two boards to facilitate the movement of pieces between the boards. Three-dimensional boards are often represented by multiple two-dimensional boards. Variants may use anywhere from two to eight boards. For example, Raumschach utilises five boards of twenty-five squares each, totaling 125 squares. Another noteworthy variant, Star Trek Chess, utilises

598-544: Is forced to carry a chessboard until a sanctuary as gesture of gratitude. However, more frequently, there are stories in which the chessboard is used as a weapon. The French tale of Ogier the Dane reports how the son of Charlemagne brutally kills one of Ogier's sons with a chessboard after losing a match, although there is no evidence confirming the veracity of the story. In 1250, a sermon called Quaedam moralitas de scaccario per Innocentium papum (The Innocent Morality) showed

644-702: Is green and buff —never red and black. However, there are several good inlaid wood boards on the market. ... Avoid cheap equipment. Chess offers a lifetime of enjoyment for just a few dollars well spent at the outset. The most expensive chess set is the Jewel Royale which was made in 2005 by the British jewelry company, made of solid gold and platinum with nearly 1000 rubies, diamonds, and sapphires valued at $ 9.8 million. Some small magnetic sets, designed to be compact and/or for travel, have pieces more like those used in shogi and xiangqi  – each piece being

690-655: Is one of the first recorded variant chessboards, with eleven columns by ten rows along with two citadels. Each player has a citadel to the right of their second rank, which may be occupied by the opponent's king , in which case that opponent may declare a draw . In 1617, Pietro Carrera proposed a variant that received his name, Carrera's Chess, with a 10×8 board, later used in other variants such as Capablanca chess and Gothic Chess. Other sizes, with ten rows by ten columns, are used in Omega Chess and Grand Chess ; Omega Chess has four additional squares, one in each corner of

736-420: Is one point for a pawn, three points for a knight or bishop, five points for a rook, and nine points for a queen. These values are reliable in endgames, particularly with a limited number of pieces. But these values can change depending on the position or the phase of the game (opening, middle game, or ending). A bishop pair for example, is worth an additional half-pawn on average. In specific circumstances,

782-481: Is typically rectangular but can be done in a variety a shapes including a coffer top or sliding drawers . On computers , chess pieces are often 2D symbols on a 2D board, although some programs have 3D graphics engines with more traditional designs of chess pieces. Unicode contains symbols for chess pieces in both white and black. Chessboard A chessboard is a game board used to play chess . It consists of 64 squares, 8 rows by 8 columns, on which

828-510: The queenside , and the e- through h-files constitute the kingside ; the 1st through 4th ranks constitute White's side, and the 5th through 8th ranks constitute Black's side. The earliest known ancestor of the chessboard is the Ashtāpada board. Among other games, it was used to play chaturanga , a historical precursor to chess, beginning around the 6th century in India . The board uses

874-415: The chess pieces are placed. It is square in shape and uses two colours of squares, one light and one dark, in a chequered pattern. During play, the board is oriented such that each player's near-right corner square is a light square. The columns of a chessboard are known as files , the rows are known as ranks , and the lines of adjoining same-coloured squares (each running from one edge of

920-561: The "knight" frequently translates as "horse", and the English "bishop" frequently translates as "elephant" in language areas that adapted the modern bishop's movement pattern, but not its new name. Chess variants sometimes include new, non-standard, or even old pieces. For example, Courier Chess , a predecessor of modern chess dating from the 12th century, was played on an 8×12 board and used all six modern chess piece types, plus three additional types of pieces: Courier, Mann (or rath or sage ), and Jester. Variants of "old" chess might use

966-412: The 13th century, some players began using the convention that the first square of the far right column should be light-coloured; this convention was endorsed by Pedro Damiano at the end of the 15th century. In contemporary chess, a digital board is a chess board connected to a computer that is capable of transmitting the moves to the computer itself: the information about the moves can be used to play

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1012-540: The Gods) described six different variants of chess, including circular and cylinder chess . Due to the widespread creation of new variants, a wide variety of sizes can be found. Gliński's hexagonal chess utilises a board with 91 hexagonal spaces of three different colours. One innovation of the 13th century was the cylindrical board for use in cylinder chess. The board used for the Persian Tamerlane chess

1058-565: The United States Chess Federation's Official Rules of Chess , which is based on the Fédération Internationale des Échecs rules. The grandmaster Larry Evans offered this advice on buying a set: Make sure the one you buy is easy on the eye, felt-based, and heavy (weighted). The men should be constructed so they don't come apart. ... The regulation board used by the U. S. Chess Federation

1104-488: The board should be rigid in all instances. The board may also be made of marble , as long as there is an appropriate contrast between the light and dark squares. The finishing should be neutral or frosted but never shiny. The squares should be from 5 to 6 cm in length, at least twice the diameter of a pawn 's base. If the table and the board are two separate pieces, the latter must be fixed so it stays in place. There are various systems for recording moves and referring to

1150-517: The board to an adjacent edge) are known as diagonals . Each square of the board is named using algebraic , descriptive , or numeric chess notation ; algebraic notation is the FIDE standard. In algebraic notation, using White's perspective, files are labeled a through h from left to right, and ranks are labeled 1 through 8 from bottom to top; each square is identified by the file and rank which it occupies. The a- through d-files constitute

1196-418: The board. Los Alamos chess uses a smaller 6×6 board. Japanese shogi uses a board with nine columns by nine rows. The board of Chinese xianqi consists of nine columns by ten rows; here, the pieces are placed on the intersections of the lines that divide the squares, rather than within the squares themselves. Each player has a 3×3 palace in the central three columns and the closest three rows, within which

1242-436: The darker colored pieces are referred to as "black" and the player that controls them as "Black". In a standard game, each of the two players begins with the following sixteen pieces: The word "piece" has three meanings, depending on the context. The rules of chess prescribe the moves each type of chess piece can make. During play, the players take turns moving their own chess pieces. Pieces other than pawns capture in

1288-411: The event. In 2003, the ex-world champion Garry Kasparov faced the chess engine X3D Fritz in a series of four matches in a virtual environment , where the computer-generated board hovered in the air in front of Kasparov, who used special glasses. This was the first man–machine game of chess performed in a completely simulated environment. Chessboards have been made from numerous materials over

1334-413: The files are labelled by the piece originally occupying its first rank (e.g. queen, king's rook , queen's bishop ), and ranks by the numbers 1 to 8 from each player's point of view, depending on the move being described. This method is no longer commonly used. FIDE stopped using descriptive notation in 1981. ICCF numeric notation assigns numbers to both files and ranks, with rank 1 being

1380-418: The following: The variety of designs available is broad, from small cosmetic changes to highly abstract representations, to themed designs such as those that emulate the drawings from the works of Lewis Carroll , or modern treatments such as Star Trek or The Simpsons . Themed designs are generally intended for display purposes rather than actual play. Some works of art are designs of chess sets, such as

1426-753: The ground. Rarely, decorative glass and marble boards are permitted for games conducted by national or international chess federations. Wooden boards are traditionally made of unstained woods that are light brown and dark brown in colour. To reduce cost, some boards are made with veneers of more expensive woods glued to an inner piece of plywood or chipboard. A variety of colour combinations are used for plastic, vinyl, and silicone boards. Common dark-light combinations are black and white, as well as brown, green or blue with buff or cream . For international or continental championships, FIDE 's regulations state that wooden boards should be used. For other FIDE tournaments, wood , plastic , or cardboard boards may be used, and

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1472-521: The modernist chess set by chess enthusiast and dadaist Man Ray , that is on display in the Museum of Modern Art in New York City. Chess pieces used for play are usually figurines that are taller than they are wide. For example, a set of pieces designed for a chessboard with 2.25 inches (57 mm) squares typically have a king around 3.75 inches (95 mm) tall. Chess sets are available in

1518-674: The most notable changes was the Vizir (or Firz) becoming the Queen, and the Elephant becoming the Bishop in European versions of chess. The movement patterns for Queens and Bishops also changed, with the earliest rules restricting elephants to just two squares along a diagonal, but allowing them to "jump" (seen in the fairy chess piece the alfil ); and the earliest versions of queens could only move

1564-731: The old rules for bishops/elephants with the alfil piece, or old rules for Queens with the ferz . Many modern variants with unorthodox pieces exist, such as Berolina chess which uses custom pawns that advance diagonally and capture vertically. Chess set A chess set consists of a chessboard and white and black chess pieces for playing chess . There are sixteen pieces of each color: one king , one queen , two rooks , two bishops , two knights , and eight pawns . Extra pieces may be provided for use in promotion , most commonly one extra queen per color. Chess boxes , chess clocks , and chess tables are common pieces of chess equipment used alongside chess sets. Chess sets are made in

1610-466: The one closest to the player with the white pieces. The file leftmost to the white player ( a in algebraic notation and QR in descriptive notation) is file one and the rightmost to them ( h in algebraic notation and KR in descriptive notation) is file eight. Variant chessboard shapes and sizes go back to the Persian origins of the game in the 10th century, when the book Muraj adh-dhahab (Board of

1656-424: The other pieces should be in proportion to the king. The pieces should be well balanced such that their center of gravity is closer to the board. This is done by adding weights such as iron studs or lead blocks at the bottom and felted. It makes the pieces bottom-heavy and keeps them from toppling easily (a well-weighted piece should come upright even if tilted 60 degrees off vertical axis). This helps in blitz games as

1702-481: The piece in the game. As the game develops, the relative values of the pieces will also change. For example, in an open game , bishops are relatively more valuable; they can be positioned to control long, open diagonal spaces. In a closed game with lines of protected pawns blocking bishops, knights usually become relatively more potent. Similar ideas apply to placing rooks on open files and knights on active, central squares . The standard valuation

1748-462: The player's general and advisors must stay. Between the central two rows is a river that the elephant cannot cross and past which the soldier increases in strength. A similar board without a river is used in Korean janggi . Some chess variants use more than a single board per match. Bughouse chess , for example, involves four players playing two simultaneous matches on separate boards. Alice Chess

1794-405: The same way that they move. A capturing piece replaces the opponent piece on its square, except for an en passant capture by a pawn. Captured pieces are immediately removed from the game. A square may hold only one piece at any given time. Except for castling and the knight's move, no piece may jump over another piece. The value assigned to a piece attempts to represent the potential strength of

1840-421: The speed of movement doesn't offer enough time or precision in dropping the pieces onto the intended squares. The length of each side of the squares on the chessboard should be about 1.25–1.3 times the diameter of the base of the king, or 2 to 2.5 inches (51 to 64 mm). Squares of about 2.25 inches (57 mm) are normally well suited for pieces with the kings in the preferred size range. These criteria are from

1886-430: The squares of the chessboard; the standard contemporary system is algebraic notation . In algebraic notation, the files are identified by the letters a to h , from left to right from the white player's point of view, and the ranks by the numbers 1 to 8 , with 1 being closest to the white player. Each square on the board is identified by a unique coordinate pairing, from a1 to h8. In the older descriptive notation ,

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1932-411: The third level. The game of chess has been represented in the arts since its creation. Chess sets usually had considerable artistic value; they were made of noble materials, such as ebony and ivory, and in large sizes. Many of the pieces in these sets were offered to churches as relics. The book Liber miraculorum sancte Fidis tells a story in which a nobleman, after miraculously escaping from prison,

1978-503: The values may be quite different: sometimes a knight can be more valuable than a queen if a particular angle is required for a mating attack, such as certain smothered mates . The humble pawn becomes more and more valuable the closer it is to securing a queen promotion for another example. Chess evolved over time from its earliest versions in India and Persia to variants that spread both West and East. Pieces changed names and rules as well;

2024-437: The world as being represented by a chessboard. The white and black squares represented the two conditions of life and death or praise and censure; over these, the pieces, representing humanity, would confront each other in the adversities of the game, which symbolised life. Due to its simple geometry, the chessboard is often used in mathematical puzzles or problems unrelated to chess, such as the wheat and chessboard problem and

2070-402: The years, such as ebony , ivory , marble , metal , glass , and plastic . They can also be found as decorative elements in plazas, gardens, and living rooms. High-level games generally use wooden boards, while vinyl , plastic , and cardboard are common for less important tournaments and matches, as well as for home use. Additionally, some very large chessboards are built into or drawn on

2116-408: Was now highlighted by a continuous sequence of same-coloured squares, which later facilitated the introduction of the modern bishop and queen movements in the 15th century. The Libro de los juegos (1283) contains a description of the chessboard, describing eight rows and columns as the ideal number, deeming the practice of chess on the 10×10 board too tiresome and on the 6×6 board too quick. In

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