Individual Calculations October 2017
 Safdarian, Saman  Total change: 80.40  Rating chartPersonal card
 Tehran Boys Under 8 Championship 2017 Tehran IRI 2017-08-24
RcRownchangeKK*chgGame
 1081 1140 2.00 3 0.26 40 10.40 
  Alizadeh, Amirhosein 1044 IRI1.0010.374014.80 
  Ali Abbaspour, Kian 1141 IRI1.0010.504020.00 
  Keshani, Kian 1059 IRI0.001-0.6140-24.40 

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)
 
 Iranian Boys Under 8 Championship 1396 Rasht IRI 2017-09-06
RcRownchangeKK*chgGame
 1254 1140 2.00 4 0.59 40 23.60 
  Mohammadi, Amirhossein 1312 IRI1.0010.734029.20 
  Yeganegi, Barad 1201 IRI0.001-0.4240-16.80 
  Movahed, Sina 1363 IRI1.0010.784031.20 
  Yadegar, Radin 1138 IRI0.001-0.5040-20.00 

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)
 
 Alborz Boys Championship 1396 -Under 8 Karaj IRI 2017-09-15
RcRownchangeKK*chgGame
 1203 1140 2.00 2 1.16 40 46.40 
  Davoodi, Mohammad Farham 1093 IRI1.0010.434017.20 
  Mohammadi, Amirhossein 1312 IRI1.0010.734029.20 

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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