Individual Calculations January 2010
 Peek, Marcel  Total change: -0.30  Rating chartPersonal card
 Klasse 2B Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2130 2348 1.50 2 -0.03 10 -0.30 
  Bakker, Jan 2219 NED1.0010.33103.30 
  Spits, Tom 2041 NED0.501-0.3610-3.60 

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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