Individual Calculations January 2009
 Byway, Paul V  Total change: 12.60  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2125 2154 3.00 4 0.84 15 12.60 
  Marsh, Roger D W 2087 ENG1.0010.41156.15 
  Rich, Mark C c2170 ENG1.0010.52157.80 
  Gregory, Stephen J 2187 ENG1.0010.55158.25 
  O`Toole, George E 2054 ENG0.001-0.6415-9.60 

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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