Individual Calculations May 2010
 Sommier, Patrick  Total change: -38.00  Rating chartPersonal card
 114e open international Club 608 Paris FRA 2010-02-20
RcRownchangeKK*chgGame
 1577 1471 1.00 7 -1.52 25 -38.00 
  Tchimichkian, Vardan 1591 FRA1.0010.662516.50 
  Attar, Rachid 1604 FRA0.001-0.3225-8.00 
  Masson, Gerard 1641 FRA0.001-0.2825-7.00 
  Emsalem, Marc 1546 FRA0.001-0.4025-10.00 
  Banat, Rizlene wf1587 ALG0.001-0.3425-8.50 
  Da Costa, Manuel 1413 FRA0.001-0.5825-14.50 
  Gaborit, Arnaud 1658 FRA0.001-0.2625-6.50 

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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