Individual Calculations January 2010
 Van Der Heijden, Ton  Total change: 6.60  Rating chartPersonal card
 Klasse 1A Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2249 2266 2.00 3 0.44 15 6.60 
  Blees, Enrico 2153 NED1.0010.35155.25 
  Geurink, Jasper 2306 NED0.5010.06150.90 
  Scholl, Eddie 2288 NED0.5010.03150.45 

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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