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  2. Chess rating system - Wikipedia

    en.wikipedia.org/wiki/Chess_rating_system

    The Glicko system is a more modern approach, which was invented by Mark Glickman as an improvement of the Elo system. It is used by Chess.com, Free Internet Chess Server and other online chess servers. The Glicko-2 system is a refinement of the original Glicko system and is used by Lichess, Australian Chess Federation and other online websites.

  3. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    The USCF initially aimed for an average club player to have a rating of 1500 and Elo suggested scaling ratings so that a difference of 200 rating points in chess would mean that the stronger player has an expected score of approximately 0.75. A player's expected score is their probability of winning plus half their probability of drawing. Thus ...

  4. ECF grading system - Wikipedia

    en.wikipedia.org/wiki/ECF_grading_system

    In theory a non-chess player would have a personal grade of 0; in practice negative grades exist but are set to 0 on the grading list. The weakest adult club players come in at about 40. A three-figure grade is a source of prestige among casual players, while those who seriously study the game may try to achieve a personal grade of 150.

  5. Play Chess Online for Free - AOL.com

    www.aol.com/games/play/ilineme/chess

    Play free chess online against the computer or challenge another player to a multiplayer board game. With rated play, chat, tutorials, and opponents of all levels!

  6. Performance rating (chess) - Wikipedia

    en.wikipedia.org/wiki/Performance_rating_(chess)

    The only score in which all methods give exactly the same result is an even score against opponents with no skew away from their average rating, in which case the performance rating is the average of the opponents' ratings. There are larger discrepancies closer to zero scores or perfect scores, or a larger variance in the individual ratings (in ...

  7. Glicko rating system - Wikipedia

    en.wikipedia.org/wiki/Glicko_rating_system

    Mark Glickman created the Glicko rating system in 1995 as an improvement on the Elo rating system. [1]Both the Glicko and Glicko-2 rating systems are under public domain and have been implemented on game servers online like Counter-Strike: Global Offensive, Team Fortress 2, [2] Dota 2, [3] Guild Wars 2, [4] Splatoon 2, [5] Online-go.com, [6] Lichess and Chess.com.

  8. Chess scoring - Wikipedia

    en.wikipedia.org/wiki/Chess_scoring

    In chess, by far the most common scoring system is 1 point for a win, ½ for a draw, and 0 for a loss. A number of different notations are used to denote a player's score in a match or tournament, or their long-term record against a particular opponent. The most common are:

  9. Free Internet Chess Server - Wikipedia

    en.wikipedia.org/wiki/Free_Internet_Chess_Server

    A chess game on FICS using the Jin interface. The Free Internet Chess Server (FICS) is a volunteer-run online chess platform. When the original Internet Chess Server (ICS) was commercialized and rebranded as the Internet Chess Club (ICC) in 1995, a group of users and developers came together to fork the code and host an alternative committed to free access, and a rivalry between the two ...