Individual Calculations September 2017
 Di-Vetta, Andrew  Total change: 26.40  Rating chartPersonal card
 104th British Championships Weekend Under 1825 Llandudno ENG 2017-07-28
RcRownchangeKK*chgGame
 1710 1605 2.00 3 0.93 20 18.60 
  O`gorman, Brendan 1702 ENG0.001-0.3720-7.40 
  O`mahony, Mike J 1699 ENG1.0010.632012.60 
  Jukes, Sam 1730 WLS1.0010.672013.40 

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)
 
 2017 Midland Championship Major West Bromwich ENG 2017-08-11
RcRownchangeKK*chgGame
 1827 1585 1.00 3 0.39 20 7.80 
  Evans, Chris John 1790 ENG1.0010.762015.20 
  Paul, Nathanael 1871 ENG0.001-0.1620-3.20 
  Lewis, Christopher D 1819 ENG0.001-0.2120-4.20 

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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