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Portable Game Notation (PGN) is a standard plain text format for recording chess games (both the moves and related data), which can be read by humans and is also supported by most chess software. This article uses algebraic notation to describe chess moves.
Portable Game Notation (PGN) is a text-based file format for storing chess games, which uses standard English algebraic notation and a small amount of markup. [11] PGN can be processed by almost all chess software, as well as being easily readable by humans. For example, the Game of the Century could be represented as follows in PGN:
On certain Internet chess servers, such as Chess.com and Lichess, this kind of move is marked as an "inaccuracy", denoting a weak move, appearing more regularly than with most annotators. A sacrifice leading to a dangerous attack that the opponent should be able to defend against if they play well may receive a "?!".
As a result, virtually all games began with the Open Game, and it was considered unsportsmanlike to decline gambits that invited tactical play such as the King's Gambit and the Evans Gambit. [89] This chess philosophy is known as Romantic chess , and its sharp, tactical style of play was predominant until the late 19th century.
The internet chess server Lichess facilitates play of the game, referring to it as "antichess"; [5] after regular chess it is the most popular variant on the site in terms of numbers of games played. [8] Since 2018 the site has hosted an annual "Lichess World Championship" for the variant.
Portable Game Notation (PGN). This is a text-based file format in which chess moves are recorded with standard English algebraic notation with a small amount of markup to record the players and circumstances of the game. Most chess software is configured to process PGN files. [14] Steno-Chess. This is another format suitable for computer ...
Online chess is chess that is played over the Internet, allowing players to play against each other. This was first done asynchronously through PLATO and email in the 1970s. In 1992, the Internet Chess Server facilitated live online play via telnet, and inspired several other telnet-based systems around the world. Web-based platforms became ...
Lichess (/ ˈ l iː tʃ ɛ s /; LEE-ches) [3] [4] is a free and open-source Internet chess server run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play rated games.