Individual Calculations September 2017
 Kramaley, David  Total change: 6.80  Rating chartPersonal card
 Steve Boniface Memorial Congress 2017 Bristol ENG 2017-08-25
 2068 1832 1.00 3 0.34 20 6.80 
  Turner, Joseph David 1931 WLS1.0010.642012.80 
  Kalavannan, Koby 2201 ENG0.001-0.1020-2.00 
  Musson, Adam J 2071 WLS0.001-0.2020-4.00 

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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