Individual Calculations December 2017
 Ashtari, Fereidoun  Total change: -3.60  Rating chartPersonal card
 11th Chess Tournament of Ministry of Energy in Memorial 1396 Rasht IRI 2017-11-21
RcRownchangeKK*chgGame
 1513 1708 3.50 5 -0.18 20 -3.60 
  Ashtarian, Khosro 1623 IRI0.501-0.1220-2.40 
  Yazdanshenas, Abozar 1311 IRI1.0010.08201.60 
  Bahri, Mirabbas 1546 IRI1.0010.29205.80 
  Mosavi, Seyed Masoud 1538 IRI0.501-0.2220-4.40 
  Shafiei, Mojtaba 1548 IRI0.501-0.2120-4.20 

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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