Individual Calculations January 2009
 Van De Berkmortel, Theo  Total change: -1.65  Rating chartPersonal card
 1B - r 1-3 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2193 2276 0.50 1 -0.11 15 -1.65 
  Van Veen, Oscar f2193 NED0.501-0.1115-1.65 

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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