Individual Calculations January 2009
 Buyten, Arno  Total change: -1.20  Rating chartPersonal card
 2B - r 1-3 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2083 2112 1.00 2 -0.08 15 -1.20 
  Huysman, Arie 2052 NED0.001-0.5815-8.70 
  De Vries, Paul 2113 NED1.0010.50157.50 

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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