Individual Calculations April 2017
 Walker, Nicholas P  Total change: -17.40  Rating chartPersonal card
 2016/17 4NCL Division 3 South Rounds 7-8 Reading ENG 2017-03-18
RcRownchangeKK*chgGame
 2015 2152 0.50 2 -0.87 20 -17.40 
  Reynolds, D Ian W 1996 ENG0.501-0.2120-4.20 
  Trevelyan, John 2034 WLS0.001-0.6620-13.20 

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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