Rapid: Individual Calculations April 2017
 Attaoui, Mohamed Riad  Total change: -31.40  Rating chartPersonal card
 Zonal "OUEST" du CNITC 2017 Oran ALG 2017-03-17
RcRownchangeKK*chgGame
 1542 1764 0.00 2 -1.57 20 -31.40 
  Ferahi, Tarik 1545 ALG0.001-0.7820-15.60 
  Kouloughli, Abdelkarim 1538 ALG0.001-0.7920-15.80 

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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