Individual Calculations January 2009
 Cafferty, Bernard  Total change: -10.20  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2248 2179 1.00 4 -0.68 15 -10.20 
  Taylor, Peter P 2254 ENG0.001-0.4015-6.00 
  Ledger, Stephen C 2151 ENG0.501-0.0415-0.60 
  Curtis, John E 2122 ENG0.001-0.5815-8.70 
  Tissir, Mohamed m2463 MAR0.5010.34155.10 

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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