Note: Russian names may be written with other spellings. The list is ordered alphabetically by surname.
Chess is a board game for two players. It is sometimes called international chess or Western chess to distinguish it from related games such as xiangqi and shogi.
A chess problem, also called a chess composition, is a puzzle set by the composer using chess pieces on a chess board, which presents the solver with a particular task. For instance, a position may be given with the instruction that White is to move first, and checkmate Black in two moves against any possible defence. A chess problem fundamentally differs from over-the-board play in that the latter involves a struggle between Black and White, whereas the former involves a competition between the composer and the solver. Most positions which occur in a chess problem are unrealistic in the sense that they are very unlikely to occur in over-the-board play. There is a good deal of specialized jargon used in connection with chess problems.
The endgame is the final stage of a chess game which occurs after the middlegame. It begins when few pieces are left on the board.
This glossary of chess explains commonly used terms in chess, in alphabetical order. Some of these terms have their own pages, like fork and pin. For a list of unorthodox chess pieces, see Fairy chess piece; for a list of terms specific to chess problems, see Glossary of chess problems; for a list of named opening lines, see List of chess openings; for a list of chess-related games, see List of chess variants; for a list of terms general to board games, see Glossary of board games.
The fifty-move rule in chess states that a player can claim a draw if no capture has been made and no pawn has been moved in the last fifty moves. The purpose of this rule is to prevent a player with no chance of winning from obstinately continuing to play indefinitely or seeking to win by tiring the opponent.
In the game of chess, an endgame study, or just study, is a composed position—that is, one that has been made up rather than played in an actual game—presented as a sort of puzzle, in which the aim of the solver is to find the essentially unique way for one side to win or draw, as stipulated, against any moves the other side plays. If the study does not end in the end of the game, then the game's eventual outcome should be obvious, and White can have a selection of many different moves. There is no limit to the number of moves which are allowed to achieve the win; this distinguishes studies from the genre of direct mate problems. Such problems also differ qualitatively from the very common genre of tactical puzzles based around the middlegame, often based on an actual game, where a decisive tactic must be found.
Akiba Kiwelowicz Rubinstein was a Polish chess player. He is considered to have been one of the greatest players never to have become World Chess Champion. Rubinstein was granted the title International Grandmaster in 1950, at its inauguration.
Yuri Lvovich Averbakh was a Russian chess grandmaster and author. He was chairman of the USSR Chess Federation from 1973 to 1978. Averbakh was the first centenarian FIDE Grandmaster. Despite his eyesight and hearing having worsened, by his 100th birthday he continued to devote time to chess-related activities.
A chess composer is a person who creates endgame studies or chess problems. Chess composers usually specialize in a particular genre, e.g. endgame studies, twomovers, threemovers, moremovers, helpmates, selfmates, fairy problems, or retrograde analysis. Moreover, composers have their own preferred style of composing, allowing their sorting according to composition schools.
Karl Artur Leonid Kubbel was a Russian composer of chess endgame studies and problems.
Leopold Adamovich Mitrofanov was a Russian chess composer, an International Judge of Chess Composition and an International Master of Chess Composition. He was born in Leningrad and, by profession, was a chemical engineer.
Gia Nadareishvili was a Soviet chess composer of Georgian nationality, and author of many books on chess studies.
Much literature about chess endgames has been produced in the form of books and magazines. A bibliography of endgame books is below.
Ladislav Prokeš was a Czech chess master and one of the most prolific composers of endgame studies in chess. He was born and died in Prague.
Iuri Akobia was a Georgian composer of chess endgame studies and chess problems. For most of his working life he was a radio communications engineer in the National Center for Radio and TV of Georgia, and was Chief Engineer from 1975 until 1996.
Vitaly Alexandrovich Chekhover was a Soviet chess player and chess composer. He was also a pianist.
Harold van der Heijden is a Dutch composer of chess endgame studies. He was born in Veghel, The Netherlands, on 18 December 1960. By profession, after finishing his PhD in 2009, he is head of the Research and Development laboratory of a veterinary institute.
The following outline is provided as an overview of and topical guide to chess:
Chess is one of the most popular sports in Azerbaijan, where it is governed by the Azerbaijan Chess Federation (ACF). On May 5, 2009 Azerbaijani president Ilham Aliyev, who is also the chairman of the National Olympic Committee, signed an executive order initiating a state-supported chess development program, covering the years 2009–2014.
The FIDE World Fischer Random Chess Championship 2022 (WFRCC) was the second official world championship in Fischer Random Chess. The competition followed a similar format to the first championship in 2019, with qualifying stages open to all interested participants taking place online on chess.com and Lichess, and four qualified players joined four invited players in the over-the-board final, which took place at the Berjaya Reykjavik Natura Hotel in Reykjavík, Iceland from 25 to 30 October 2022.