Individual Calculations November 2017
 Sahraei, Armin  Total change: 34.40  Rating chartPersonal card
 Tehran Under 18 League 1396 Round 1-4 Tehran IRI 2017-10-12
RcRownchangeKK*chgGame
 1271 1339 2.00 2 0.86 40 34.40 
  Abdolhosseini, Danial 1508 IRI1.0010.724028.80 
  Dachak, Parham 1033 IRI1.0010.14405.60 

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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