Individual Calculations April 2009
 Delabarre, Olivier  Total change: -4.50  Rating chartPersonal card
 Coupe Normandie - T2 HNO FRA 2009-02-15
RcRownchangeKK*chgGame
 1925 2059 0.50 1 -0.18 25 -4.50 
  Debussy, Nicolas 1925 FRA0.501-0.1825-4.50 

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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