Individual Calculations October 2017
 Ebadi, Seyed Ali  Total change: -22.80  Rating chartPersonal card
 Tehran Boys Under 12 Championship 2017 Tehran IRI 2017-08-24
RcRownchangeKK*chgGame
 1417 1666 6.50 9 -0.57 40 -22.80 
  Sefidmou, Mohammad Matin 1266  * IRI1.0010.08403.20 
  Teimouri Yadkuri, Shahdad 1266  * IRI1.0010.08403.20 
  Shakeri, Amirali 1382 IRI0.501-0.3440-13.60 
  Fazeli Ghazijahani, Ali 1522 IRI1.0010.314012.40 
  Hosseinzadeh, Amir Mahdi 1349 IRI1.0010.13405.20 
  Navidi, Parsa 1563 IRI0.001-0.6440-25.60 
  Gholami, Arian 1273 IRI1.0010.08403.20 
  Aryanpour, Arad c1523 IRI0.501-0.1940-7.60 
  Noorbakhsh Zadeh, Arshia 1610 IRI0.501-0.0840-3.20 
 * 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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