Individual Calculations February 2017
 Horton, Andrew P  Total change: 7.40  Rating chartPersonal card
 Shropshire Congress 2017 Open Telford ENG 2017-01-06
RcRownchangeKK*chgGame
 2089 2291 4.00 5 0.37 20 7.40 
  Davis, Lee 1921 WLS0.501-0.4020-8.00 
  Rita, Joao 1916 ENG1.0010.09201.80 
  Surtees, Mike J 2050 ENG1.0010.20204.00 
  Arkell, Keith C g2438 ENG0.5010.20204.00 
  Sygnowski, Tomasz 2121 POL1.0010.28205.60 

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)
 

 

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