Individual Calculations July 2009
 Oorebeek, Erwin  Total change: 5.25  Rating chartPersonal card
 1B - r 6-9 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2055 2159 1.00 1 0.36 15 5.40 
  Burg, Brent 2055 NED1.0010.36155.40 

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)
 
 3C - r 6-9 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2156 2159 1.00 2 -0.01 15 -0.15 
  Van Roosmalen, Sjoerd c2199 NED1.0010.56158.40 
  Krans, Jan 2112 NED0.001-0.5715-8.55 

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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