Individual Calculations November 2018
 Waterfield, John W  Total change: 6.00  Rating chartPersonal card
 4th Welsh Seniors Championship Merthyr Tydfil WLS 2018-09-28
RcRownchangeKK*chgGame
 1808 1923 3.50 5 0.30 20 6.00 
  Hurn, Robert Aj 1608 WLS0.501-0.3620-7.20 
  Bevan, Peter M 1886 WLS0.501-0.0520-1.00 
  Greatorex, Roger 1736 ENG1.0010.26205.20 
  James, Dai 1826 WLS0.501-0.1320-2.60 
  Van Kemenade, Rudy 1982 WLS1.0010.582011.60 

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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