Individual Calculations April 2018
 Ider, Borya  Total change: 4.60  Rating chartPersonal card
 25e Open International de Selestat - Open A (plus de 1700) SELESTAT FRA 2018-03-08
RcRownchangeKK*chgGame
 2297 2505 5.50 7 0.51 10 5.10 
  Prat, Pierre-Matthieu 2105  * FRA1.0010.08100.80 
  Zienkiewicz, Alexandre 2105  * FRA1.0010.08100.80 
  Schrems, Hermann 2108 GER1.0010.08100.80 
  Rausis, Igors 2635 CZE0.001-0.3210-3.20 
  Chatalbashev, Boris g2566 FID0.5010.08100.80 
  Budak, Rewi 2105  * FRA1.0010.08100.80 
  Milov, Leonid g2455 GER1.0010.43104.30 
 * 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)
 
 SGM 2017/18 (League 1+2) round 7 decentralised SUI 2018-03-17
RcRownchangeKK*chgGame
 2469 2505 0.50 1 -0.05 10 -0.50 
  Kurmann, Oliver m2469 SUI0.501-0.0510-0.50 

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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