Individual Calculations May 2010
 Abdul, Sonny  Total change: -31.00  Rating chartPersonal card
 Interne St Quentin en Yvelines - 1 Elancourt FRA 2010-01-15
RcRownchangeKK*chgGame
 1845 1777 0.00 3 -1.24 25 -31.00 
  Cavelius, Pierre 2013 FRA0.001-0.2025-5.00 
  Guillet, Jacques 1550 FRA0.001-0.7925-19.75 
  Bulcourt, Nicolas 1971 FRA0.001-0.2525-6.25 

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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