Individual Calculations September 2010
 Jodidio, Nicholas  Total change: -11.75  Rating chartPersonal card
 19.Open International de Martigny Martigny SUI 2010-07-30
RcRownchangeKK*chgGame
 1968 1956 0.50 2 -0.47 25 -11.75 
  Morand, Simon 1882 SUI0.501-0.1025-2.50 
  Moret, Jean-Paul 2053 SUI0.001-0.3725-9.25 

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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