Rapid: Individual Calculations May 2018
 Barkat, Abdelouaheb  Total change: -3.20  Rating chartPersonal card
 Zonal "Sud" du CNITC 2018 Biskra ALG 2018-03-29
RcRownchangeKK*chgGame
 1760 1790 2.50 5 -0.16 20 -3.20 
  Saadi, Ahmed 1667 ALG0.001-0.6720-13.40 
  Tibermacine, Akram Bachir 1458 ALG1.0010.12202.40 
  Zekri, Hatem 1898 ALG0.001-0.3520-7.00 
  Bellebcir, Tarek 1756 ALG1.0010.45209.00 
  Saifi, Walid 2019 ALG0.5010.29205.80 

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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