Individual Calculations May 2011
 Turner, Joseph David  Total change: -6.60  Rating chartPersonal card
 The 57th Welsh Chess Championships Cardiff WLS 2011-04-22
RcRownchangeKK*chgGame
 2024 1981 0.00 1 -0.44 15 -6.60 
  Young, Alan 2024 WLS0.001-0.4415-6.60 

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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