Individual Calculations September 2019
 Rush, Steven J  Total change: -14.40  Rating chartPersonal card
 55th Berks & Bucks Chess Congress Challengers B Maidenhead ENG 2019-08-24
RcRownchangeKK*chgGame
 1487 1453 1.50 4 -0.36 40 -14.40 
  Silver, Michael 1732 ENG0.001-0.1640-6.40 
  Zhu, Feng 1474 ENG0.001-0.4740-18.80 
  Tarling, Adam 1342 ENG0.501-0.1540-6.00 
  Karanam, Syam Prasad 1398 ENG1.0010.424016.80 

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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