Individual Calculations January 2009
 Roberson, Peter T  Total change: -15.00  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2363 2236 0.00 3 -1.00 15 -15.00 
  Bisby, Daniel L 2287 ENG0.001-0.4315-6.45 
  McNab, Colin A g2454 SCO0.001-0.2215-3.30 
  Knott, Simon J B m2347 ENG0.001-0.3515-5.25 

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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