Individual Calculations June 2018
 Bullen, Alex  Total change: -12.80  Rating chartPersonal card
 2018/19 4NCL Div 1 Rounds 9-11 Telford ENG 2018-05-05
RcRownchangeKK*chgGame
 2017 2084 0.50 1 -0.09 20 -1.80 
  Ackley, Peter J E 2017 ENG0.501-0.0920-1.80 

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)
 
 2017/18 4NCL Division 2 Rounds 9-11 Telford ENG 2018-05-05
RcRownchangeKK*chgGame
 2071 2084 0.50 2 -0.54 20 -10.80 
  Arnott, Jonathan W c2112 ENG0.001-0.4620-9.20 
  Harari, Zaki 2030 ENG0.501-0.0820-1.60 

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 2017/18 Round 5 Merthyr Tydfil WLS 2018-05-20
RcRownchangeKK*chgGame
 2080 2084 0.50 1 -0.01 20 -0.20 
  Thornton, John D 2080 WLS0.501-0.0120-0.20 

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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