chess

chess, game for two players played on a square board composed of 64 square spaces, alternately dark and light in color.

Basic Rules

The board is positioned so that a light-colored square is in the corner to the right of both players, each of whom is provided with 16 pieces, or chessmen, of black or white color. At the start of the game eight pieces are set down in the horizontal row of squares, or rank, nearest each player. The pieces are: two rooks, or castles, in the corner squares; two knights in the adjoining squares; two bishops next to the knights; the queen on the remaining square corresponding to her color; and the king on the other remaining center square; one pawn sits immediately in front of each of these pieces. Each piece moves according to specific rules and is removed from the board when an opposing piece moves into its square, thus displacing it. The object in chess is to trap, or checkmate, the opponent's king. Students of the game use several systems of notation to describe the moves of the pieces. Over the years of modern chess history, various players have become famous for their openings, middle games, or end games, and many tactics have acquired the names of players or countries of origin, as in the Ruy Lopez opening or the Sicilian defense.

History

Early History

Played throughout the civilized world, chess has fascinated people for centuries. Though it dates to antiquity (some researchers believe terra cotta pieces excavated from Mesopotamia of 6,000 B.C. were used in chess), there is debate as to which culture its origins should be credited. A Dominican Friar from Italy wrote a chess treatise in the Middle Ages. Its 1474 translation by Englishman William Caxton standardized play for a short time, but it was not until international play of the next century that rules were widely agreed upon. A Syrian, Philip Stamma, acclaimed as the pioneer of modern chess technique, helped popularize the game in the middle of the 18th cent. through publications and play that stressed strategy.

Modern Tournament Play

London was the site of the first modern international chess tournament in 1851. In officially sanctioned modern chess tournaments, players accumulate points won at various levels and can advance toward the top designation of grandmaster. Tournament play uses clocks to limit the time permitted for moves, and the concentration and fatigue of a match require players to be in good physical condition.

Outstanding players of their day who were considered world champions were: François Philidor of France, 1747–95; Alexandre Deschappelles of France, 1815–20; Louis de la Bourdonnais of France, 1820–40; and Howard Staunton of England, 1843–51. Official world champions have included: Adolph Anderssen of Germany, 1851–58 and 1862–66; Paul C. Morphy of the United States, 1858–62; Wilhelm Steinitz of Austria, 1866–94; Emanuel Lasker of Germany, 1894–1921; José R. Capablanca of Cuba, 1921–27; Alexander A. Alekhine of France, 1927–35 and 1937–46; and Mikhail M. Botvinnik of the USSR, 1948–57, 1958–60, and 1961–63. Players from the USSR and Russia have dominated international play since the late 1940s.

The 1972 World Chess Championship, held in Reykjavík, Iceland, between the American Bobby Fischer and Boris Spassky, received unprecedented worldwide coverage and boosted the game's popularity. The enigmatic Fischer broke the Soviet stranglehold on the world title in a match reflective of cold war tension. Fischer, however, forfeited the title in 1974, the first player ever to do so, by refusing to play a championship match.

Chess's popularity was enhanced in the 1980s by championship duels between Gary Kasparov and Anatoly Karpov. In 1993, Kasparov, who had held the world title since 1985, broke with the International Chess Federation (FIDE), which reinstated Karpov as champion after a playoff. Kasparov, still regarded the best player in the world, lost a match in 1997 to the IBM computer Deep Blue (see artificial intelligence a for a more detailed discussion of the development of computer chess programs), which was then "retired." In 1998, Karpov retained his championship by defeating Viswanathan Anand of India, but relations with FIDE were further strained when Karpov refused to participate in a 1999 tournament, which was won by the relatively unknown Russian Aleksandr Khalifman. Despite Khalifman's claims on the FIDE championship, by 2000 it was widely recognized that Kasparov was the world's number-one player and that his onetime protégé, the 25-year-old Russian Vladimir Kramnik, was ranked second. In a 2000 match Kramnik defeated Kasparov in a 16-game match and became the world's top chess master. In 2006, in a world championship reunification match, Kramnik defeated Veselin Topalov, whom FIDE recognized as world champion in 2005, ending the 13-year dispute over the title.

Bibliography

A good book for beginners is Capablanca's A Primer of Chess (1935, repr. 1963). See H. J. R. Murray, A History of Chess (1913, repr. 1962); F. Reinfeld, Complete Book of Chess Stratagems (1958, repr. 1972); D. Hooper and K. Whyld, The Oxford Companion to Chess (1984); R. Eales, Chess (1985).

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chess

Chess pieces located at their starting positions on the chessboard.

(credit: © Merriam-Webster Inc.)

Checkerboard game for two players, each of whom moves 16 pieces according to fixed rules across the board and tries to capture or immobilize (checkmate) the opponent's king. The game may have originated in Asia about the 6th century, though it continued to evolve as it spread into Europe in Byzantine times; its now-standard rules first became generally accepted in Europe in the 16th century. The players, designated white or black, start with their pieces arranged on opposite ends of the board. Kings move one square in any direction—but not into attack (check). Bishops move diagonally, and rooks horizontally or vertically, any number of unobstructed squares. Queens move like either bishops or rooks. Knights move to the nearest nonadjacent square of the opposite colour (an “L” shape) and ignore intervening chessmen. Pieces capture by moving to an enemy-occupied square. Pawns move forward one square (except one or two on their first move) and are promoted to any non-king piece if they eventually reach the last row. Pawns capture only one diagonal square forward of them. For one turn only, a pawn has the option, known as en passant, of capturing an enemy pawn that has just made a first move of two squares to avoid being captured by moving only one; the capture occurs as though the pawn had moved only one square. When the first row between a king and either rook is clear, and as long as the king and that rook have not moved, a maneuver known as castling can be done in which the king is shifted two squares toward that rook and the rook is placed directly on the other side of the king. Kings cannot castle when in check or through any square in which they would be in check. A draw, known as a stalemate, occurs if a player is not in check but any move he could make would place him in check. A draw also occurs if the same position occurs three times (such as through “perpetual check”).

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(games)

chess - A two-player game with perfect information. Usenet newsgroup: news:rec.games.chess. See also Internet Chess Server.