Individual Calculations December 2017
 Miller, Achilles B  Total change: 12.00  Rating chartPersonal card
 Kuwait Amateur Chess Festival Group B Kuwait KUW 2017-11-05
RcRownchangeKK*chgGame
 1279 1328 2.00 3 0.30 40 12.00 
  Bekheet, Suhailah 1056 KUW1.0010.17406.80 
  Baqer, Fatemah Alzahraa 1168 KUW1.0010.294011.60 
  Alothman, Salem 1612 KUW0.001-0.1640-6.40 

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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