Individual Calculations July 2009
 Valentin, Dominique  Total change: -2.25  Rating chartPersonal card
 N2 - R10-11 Various FRA 2009-04-05
RcRownchangeKK*chgGame
 2113 1951 0.50 2 -0.15 15 -2.25 
  Hadji, Mohamed 1925 FRA0.501-0.0415-0.60 
  Hamdouchi, Adina-Maria wg2301 ROU0.001-0.1115-1.65 

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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