Individual Calculations July 2009
 Nafati, Abdelaziz  Total change: 0.00  Rating chartPersonal card
 Performances Interclubs Various FRA 2008-10-16
RcRownchangeRpKK*chgGame
 1989 0 1.00 4 0.00 1796   0.00 
 N4 - R7 Various FRA 2009-04-05
RcRownchangeRpKK*chgGame
 1795 0 1.00 1 0.00 1808   0.00 
  Roset, Olivier 1795 FRA1.0010.00 0.00 

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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