Individual Calculations December 2015
 Lawton, Geoff W  Total change: -5.50  Rating chartPersonal card
 4NCL Division 2 WE1 Birmingham ENG 2015-11-14
RcRownchangeKK*chgGame
 2154 2374 1.00 2 -0.55 10 -5.50 
  Maciol, Ryszard 2159 POL0.501-0.2710-2.70 
  McGowan, Daniel 2149 SCO0.501-0.2810-2.80 

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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