Individual Calculations January 2009
 Kerstens, Dennis  Total change: -4.65  Rating chartPersonal card
 1B - r 1-3 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2144 2219 1.50 3 -0.31 15 -4.65 
  Haast, Mark 2089 NED0.501-0.1815-2.70 
  De Hoog, Ronnie 2128 NED0.501-0.1215-1.80 
  Veerman, Jan 2214 NED0.501-0.0115-0.15 

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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