Individual Calculations September 2015
 Weaver, Lauren  Total change: 17.20  Rating chartPersonal card
 Hampstead Under 1900 Congress Aug15 London ENG 2015-08-15
RcRownchangeKK*chgGame
 1673 1492 1.50 4 0.43 40 17.20 
  Papier, Alan 1752 ENG0.5010.324012.80 
  Norman, Nigel 1635 ENG0.5010.19407.60 
  Pepe, Salvatore 1643 ENG0.001-0.3040-12.00 
  Pride, Stephen C 1660 ENG0.5010.22408.80 

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)
 

 

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