Individual Calculations February 2020
 Tahvili Raftar, Iman  Total change: 0.00  Rating chartPersonal card
 Tehran Starndard Cup 25-30 Day 1398 Tehran IRI 2020-01-15
RcRownchangeKK*chgGame
 1644 1512 1.00 3 0.00 20 0.00 
  Keshmirian, Mehdi 1713 IRI0.001-0.2420-4.80 
  Ghadiri Bidhendi, Ebrahim 1758 IRI0.5010.31206.20 
  Rahnama, M.reza 1462 IRI0.501-0.0720-1.40 

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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