Individual Calculations October 2016
 Zerafat, Armin  Total change: -6.00  Rating chartPersonal card
 Iran Chess Championship Boys U12 - Stage 1 1395 Rasht IRI 2016-09-10
RcRownchangeKK*chgGame
 1420 1498 4.00 7 -0.15 40 -6.00 
  Salimi, Mardin 1098  * IRI1.0010.08403.20 
  Khorshidi, Mohammad Javad 1730 IRI0.001-0.2140-8.40 
  Mardani, Alireza 1330 IRI0.001-0.7240-28.80 
  Abdollahabadi, Amir Hosien 1330 IRI1.0010.284011.20 
  Molai, Mahdi 1434 IRI1.0010.414016.40 
  Zahmati, Sobhan 1733 IRI0.001-0.2140-8.40 
  Nezamdoust, Amirmahdi 1282 IRI1.0010.22408.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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