Individual Calculations April 2009
 Rebers, Eugene  Total change: 3.15  Rating chartPersonal card
 2C - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2147 2260 1.50 2 0.21 15 3.15 
  Uildriks, Mark 2057 NED1.0010.24153.60 
  Westerveld, Wim 2237 NED0.501-0.0315-0.45 

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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