Individual Calculations June 2014
 Arbouche, Mohamed  Total change: -9.15  Rating chartPersonal card
 The Med SEKKAT Trophy - VETERANS Casablanca MAR 2013-11-06
RcRownchangeKK*chgGame
 2165 2206 0.50 2 -0.61 15 -9.15 
  Chorfi, Khalid 2174 MAR0.001-0.5415-8.10 
  Alami, Halim 2155 MAR0.501-0.0715-1.05 

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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