Rapid: Individual Calculations January 2018
 Keen, Cosima C  Total change: -27.40  Rating chartPersonal card
 9th CSC London Chess Classic: Rapidplay U2050 London ENG 2017-12-09
RcRownchangeKK*chgGame
 1672 1853 3.00 6 -1.37 20 -27.40 
  Di-Vetta, Andrew 1577 WLS0.001-0.8320-16.60 
  Kim, Changhoon c1754 KOR0.001-0.6420-12.80 
  Weaver, Lauren 1604 ENG0.001-0.8120-16.20 
  Jamieson, Alexander 1700 ENG1.0010.30206.00 
  Varney, Daniel 1611 ENG1.0010.20204.00 
  Joslin, Tim M 1786 ENG1.0010.41208.20 

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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