Individual Calculations October 2022
 Keramati, Ali  Total change: 4.40  Rating chartPersonal card
 1st international Standard of Master Tafrishi Cup-Category B Mashhad IRI 2022-09-19
RcRownchangeKK*chgGame
 1251 1207 1.00 2 0.11 40 4.40 
  Naderi, Arad 1137 IRI0.501-0.1040-4.00 
  Rahimi Kopaei, Pantea 1364 IRI0.5010.21408.40 

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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