Individual Calculations April 2009
 Van Engen, Herman  Total change: -0.15  Rating chartPersonal card
 2A - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2159 2162 1.00 2 -0.01 15 -0.15 
  Abcouwer, Jan-Bart 2213 NED0.5010.07151.05 
  Van Dam, Niels 2104 NED0.501-0.0815-1.20 

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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