Rapid: Individual Calculations January 2021
 Roz, Samir Anwar  Total change: 1.60  Rating chartPersonal card
 25th Khanzad Rapid Chess Championship -2020 Erbil IRQ 2020-12-12
RcRownchangeKK*chgGame
 1297 1183 2.00 5 0.08 20 1.60 
  Hadi, Ahmed Hadi 1617 IRQ0.001-0.0620-1.20 
  Jalal Al Deen, Dalin 1470 IRQ0.001-0.1620-3.20 
  Lara, Samir Anwar 1025 IRQ1.0010.29205.80 
  Yahiya, Dlshad Hasan 1064 IRQ1.0010.34206.80 
  Samir, Anwar Mohammed 1311 IRQ0.001-0.3320-6.60 

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)
 

 

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