Individual Calculations November 2017
 Howes, David J  Total change: -5.00  Rating chartPersonal card
 CCF WINTER CHESS 2017-18 LONG PLAY OCTOBER 2017 London ENG 2017-10-02
RcRownchangeKK*chgGame
 1559 1498 1.00 3 -0.25 20 -5.00 
  Pratley, Ian 1552 ENG0.5010.08201.60 
  Gliddon, Daniel J 1461 ENG0.501-0.0520-1.00 
  Allan, Brian N 1664 SCO0.001-0.2820-5.60 

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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