Individual Calculations January 2010
 Van Wissen, Michiel  Total change: -9.60  Rating chartPersonal card
 Klasse 1B Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2218 2271 0.50 2 -0.64 15 -9.60 
  Caessens, Rob f2232 NED0.001-0.5515-8.25 
  Veerman, Jan 2203 NED0.501-0.0915-1.35 

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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