Rapid: Individual Calculations August 2023
 Ammar, Sedrani  Total change: 75.00  Rating chartPersonal card
 15th Arab Games 2023 - Rapid Teams - Open Constantine ALG 2023-07-07
RcRownchangeKK*chgGame
 2092 2108 5.50 6 2.41 20 48.20 
  Belouadah, Saad m2279 ALG1.0010.732014.60 
  Salih, Akar Ali Salih f2245 IRQ1.0010.682013.60 
  Cheikhna, Mohamed Lemine 1805 MTN1.0010.14202.80 
  Hilwani, Talal 2323 SYR0.5010.27205.40 
  Ali Abdullahi, Farah c1879 SOM1.0010.21204.20 
  Boulrens, Ala Eddine 2021 ALG1.0010.38207.60 

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)
 
 15th Arab Games 2023 - Rapid individual - Open Constantine ALG 2023-07-11
RcRownchangeKK*chgGame
 2146 2108 5.50 9 1.34 20 26.80 
  Bellahcene, Bilel g2535 ALG0.001-0.0720-1.40 
  Ali Abdullahi, Farah c1879 SOM1.0010.21204.20 
  Eiti, Bashir m2294 SYR0.001-0.2620-5.20 
  Nor, Mohamed Ahmed 1896 SOM1.0010.23204.60 
  Yahi, Mohamed Salem c1838 MTN1.0010.17203.40 
  Djabri, Massinas f2190 ALG1.0010.612012.20 
  Salih, Akar Ali Salih f2245 IRQ1.0010.682013.60 
  Hilwani, Talal 2323 SYR0.5010.27205.40 
  Koniahli, Malek. f2110 SYR0.001-0.5020-10.00 

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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