Individual Calculations July 2012
 Turner, Joseph David  Total change: -18.45  Rating chartPersonal card
 Welsh Chess Premier League Round 4-7 Various WLS 2012-01-28
RcRownchangeKK*chgGame
 1929 2013 0.00 2 -1.23 15 -18.45 
  Van Kemenade, Rudy 1984 WLS0.001-0.5415-8.10 
  Kostanjsek, Luke 1874 WLS0.001-0.6915-10.35 

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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