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A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. They are used by organizations such as FIDE, the US Chess Federation (USCF or US Chess), International Correspondence Chess Federation, and the English Chess Federation.
Codeforces (Russian: Коудфорсес) is a website that hosts competitive programming contests. [1] It is maintained by a group of competitive programmers from ITMO University led by Mikhail Mirzayanov. [2] Since 2013, Codeforces claims to surpass Topcoder in terms of active contestants. [3] As of 2019, it has over 600,000 registered users ...
Codeforces peak rating 4009 (30 August 2024) Gennady Korotkevich ( Belarusian : Генадзь Караткевіч , Hienadź Karatkievič , Russian : Геннадий Короткевич ; born 25 September 1994) is a Belarusian competitive sport programmer who has won major international competitions since the age of 11, as well as numerous ...
Performance rating or special rating is a hypothetical rating that would result from the games of a single event only. Some chess organizations [16]: p. 8 use the "algorithm of 400" to calculate performance rating. According to this algorithm, performance rating for an event is calculated in the following way:
The overall performance rating is then calculated as = +, the same as the FIDE method. An equivalent way to calculate this performance rating is by taking the average of opponent's rating + 400 for each win; opponent's rating - 400 for each loss; just their rating for each draw.
Codeforces [19] [17] Russian platform, maintained by ITMO University, which provides frequent (up to two per week) 2-3 hour contests (available in English and Russian). Users can also participate on contests published by other users on the "gym" section, submit additional test cases to "hack" submissions from other competitors during contests ...
Codeforces peak rating: 3350 Scott Wu (born 1997) is an American entrepreneur who is co-founder of Cognition AI and Lunchclub . He is also competitive programmer who won three gold medals (placing first in 2014) at the International Olympiad in Informatics (IOI) and came third place in the 2021 Google Code Jam .
Sports ratings systems use a variety of methods for rating teams, but the most prevalent method is called a power rating. The power rating of a team is a calculation of the team's strength relative to other teams in the same league or division. The basic idea is to maximize the number of transitive relations in a given data set due to game ...