Individual Calculations September 2010
 Adjina, Abdelwahab  Total change: -25.00  Rating chartPersonal card
 Algerian individual championship 2010 Bel Abbes ALG 2010-06-14
RcRownchangeKK*chgGame
 2081 2088 1.00 4 -1.00 25 -25.00 
  Goutali, Tarek c2248 ALG0.001-0.2925-7.25 
  Seffar, Mohamed 2048 ALG1.0010.442511.00 
  Meddah, Noureddine 2235 ALG0.001-0.3025-7.50 
  Fellah, Mohamed Amine 1791 ALG0.001-0.8525-21.25 

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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