Rapid: Individual Calculations May 2018
 Sahbaii Lotfi, Mahdi  Total change: -28.20  Rating chartPersonal card
 Iranian Cadets Rapid Chess Championships - U10 Tehran IRI 2018-04-26
RcRownchangeKK*chgGame
 1262 1091 0.00 5 -1.41 20 -28.20 
  Saberi, Hirad 1380 IRI0.001-0.1620-3.20 
  Gharibian, Rozbeh 1270 IRI0.001-0.2720-5.40 
  Golmeimi, Ermia 1193 IRI0.001-0.3620-7.20 
  Sanouni, Amir Parsa 1234 IRI0.001-0.3120-6.20 
  Farhadi, Fatemeh 1233 IRI0.001-0.3120-6.20 

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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