Individual Calculations January 2010
 Tan, Kevin  Total change: 3.75  Rating chartPersonal card
 Klasse 1A Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2167 2255 1.50 2 0.25 15 3.75 
  Keessen, Aldert-Jan 2192 NED0.501-0.0915-1.35 
  Edeling, Jeroen 2141 NED1.0010.34155.10 

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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