Individual Calculations October 2013
 Davidovich, Manis  Total change: 39.30  Rating chartPersonal card
 2013 Michigan Open Livonia, Michigan USA 2013-08-30
RcRownchangeKK*chgGame
 2112 1995 2.00 2 1.31 30 39.30 
  Lastra, Ricardo 2157 USA1.0010.713021.30 
  O`Donnell, Robert 2066 USA1.0010.603018.00 

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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