Individual Calculations January 2009
 Martin, Andrew D  Total change: -4.30  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2336 2425 2.00 4 -0.43 10 -4.30 
  Quist, Sven Roy c2137 GER0.501-0.3410-3.40 
  Knott, Simon J B m2347 ENG0.501-0.1110-1.10 
  Ward, Chris G g2431 ENG0.5010.01100.10 
  Ledger, Andrew J m2429 ENG0.5010.01100.10 

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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