Individual Calculations May 2019
 El Ahmar, Abdessamed  Total change: -5.20  Rating chartPersonal card
 Team 2019 - Nationale 3 r6-9 FRANCE FRA 2019-03-16
RcRownchangeKK*chgGame
 1796 1829 1.50 3 -0.13 40 -5.20 
  Azzouz, Belkhelfa 1678 FRA0.001-0.7040-28.00 
  Insuasty, Luis 1767 FRA1.0010.414016.40 
  Groshens, Serge 1944 FRA0.5010.16406.40 

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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