Individual Calculations April 2008
 Thomas, Joseff  Total change: 6.30  Rating chartPersonal card
 4NCL 2007/8 part 2 Various ENG 2007-09-15
 2191 2019 1.00 2 0.42 15 6.30 
  De Coverly, Roger D 2086 ENG1.0010.59158.85 
  Ashton, Adam G f2295 ENG0.001-0.1715-2.55 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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