Individual Calculations September 2015
 Archer-Lock, Christopher J  Total change: 15.40  Rating chartPersonal card
 102nd British Chess Championships Weekend Open Coventry ENG 2015-07-31
RcRownchangeKK*chgGame
 1973 2020 3.50 5 0.77 20 15.40 
  Saravanan, Karthik 1620  * ENG0.501-0.4220-8.40 
  Homer, Neil S 1753 ENG1.0010.18203.60 
  Crocker, Philip J 2216 ENG0.5010.25205.00 
  Clancy, Martin J 1951 ENG1.0010.40208.00 
  Basman, Michael J m2324 ENG0.5010.36207.20 
 * 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)
 

 

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