Individual Calculations July 2016
 Doris, Peter J  Total change: -18.00  Rating chartPersonal card
 Ayr Major 2016 Ayr SCO 2016-05-27
RcRownchangeKK*chgGame
 1638 1617 0.50 2 -0.45 40 -18.00 
  Potts, David A 1698 SCO0.5010.11404.40 
  Pearson, Walter J 1577 SCO0.001-0.5640-22.40 

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)
 

 

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