Individual Calculations May 2010
 Draidi, Ahmed  Total change: -0.45  Rating chartPersonal card
 Nationale Interclubs 2009-2010 Various BEL 2009-09-27
RcRownchangeKK*chgGame
 2049 2056 1.50 3 -0.03 15 -0.45 
  Valentiny, Benoit 2005 BEL0.501-0.0715-1.05 
  Van Espen, Eddy 2142 BEL0.001-0.3815-5.70 
  Lombart, Philippe 2001 BEL1.0010.42156.30 

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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