Individual Calculations March 2020
 Idjeri, Yanis  Total change: -22.20  Rating chartPersonal card
 Algerian individual chess championship 2020 semi final Tipaza ALG 2020-02-04
 1890 1956 4.00 9 -1.11 20 -22.20 
  Redjem, Lyes 1624 ALG1.0010.12202.40 
  Saim, Mohamed Ilias f2170 ALG0.5010.27205.40 
  Araoun, Saadi c2050 ALG0.5010.13202.60 
  Daho, Mohammed 1556  * ALG1.0010.08201.60 
  Moulay, Mehdi c2032 ALG0.001-0.4020-8.00 
  Hamoudi, Ahmed 1924 ALG0.501-0.0420-0.80 
  Seddaoui, Yamine 2144 ALG0.001-0.2620-5.20 
  Ould Mohamedi, Youcef 1712 ALG0.501-0.3020-6.00 
  Ouahabi, Mourad 1798 ALG0.001-0.7120-14.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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