Individual Calculations July 2009
 Van Eck, Ted  Total change: -10.80  Rating chartPersonal card
 3F - r 6-9 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 1951 2033 0.50 2 -0.72 15 -10.80 
  Seeleman, Jan 2010 NED0.001-0.5315-7.95 
  Van De Donk, Bert 1891 NED0.501-0.1915-2.85 

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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