Individual Calculations April 2009
 Zerafa, Jonathan  Total change: -6.45  Rating chartPersonal card
 N3 - R4 Various FRA 2008-12-14
RcRownchangeKK*chgGame
 2023 2062 0.50 1 -0.05 15 -0.75 
  Bouloudene, Boualem 2023 FRA0.501-0.0515-0.75 

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)
 
 N3 - R5 Various FRA 2009-01-18
RcRownchangeKK*chgGame
 2096 2073 0.50 1 0.03 15 0.45 
  Launiau, Severin 2096 FRA0.5010.03150.45 

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)
 
 N3 - R6 Various FRA 2009-02-08
RcRownchangeKK*chgGame
 2140 2073 0.00 1 -0.41 15 -6.15 
  Chaplain, Fabrice 2140 FRA0.001-0.4115-6.15 

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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