Individual Calculations May 2011
 Persoons, Bart  Total change: 2.25  Rating chartPersonal card
 Nationale Interclubs 2010-2011 Various BEL 2010-09-26
RcRownchangeKK*chgGame
 1793 1737 1.00 2 0.15 15 2.25 
  Piron, Jean-Marie 1738 BEL1.0010.50157.50 
  Smekens, Ruben 1847 BEL0.001-0.3515-5.25 

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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