Individual Calculations May 2015
 Lahaye, Jordy  Total change: 20.00  Rating chartPersonal card
 Dutch Team Competition 2014-2015 - 2C - round 8-9 Various NED 2015-04-11
RcRownchangeKK*chgGame
 2096 2098 2.00 2 1.00 20 20.00 
  Oosterom, Erik 2046 NED1.0010.43208.60 
  Schalkx, Johnny 2145 BEL1.0010.572011.40 

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)
 

 

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