Individual Calculations February 2017
 Zeidler, Sven P.  Total change: 8.80  Rating chartPersonal card
 2016/17 4NCL Division 1 Rounds 3-4 Northampton ENG 2017-01-14
RcRownchangeKK*chgGame
 2213 2181 1.50 2 0.58 20 11.60 
  Cox, John J m2316 ENG0.5010.18203.60 
  Wittmann, Jochen c2109 ENG1.0010.40208.00 

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)
 
 Welsh Chess Premier League 2016/17 Round 2 Various WLS 2017-01-22
RcRownchangeKK*chgGame
 2078 2181 0.50 1 -0.14 20 -2.80 
  Saunders, Robert 2078 WLS0.501-0.1420-2.80 

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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