Individual Calculations May 2012
 Baltus, Pieter  Total change: 2.55  Rating chartPersonal card
 Dutch Team Competition - 2B - Round 7-9 Various NED 2012-03-10
RcRownchangeKK*chgGame
 2008 2129 1.50 2 0.17 15 2.55 
  Hellenberg, Jan 2021 NED1.0010.35155.25 
  Van Kempen, Roderick 1994 NED0.501-0.1815-2.70 

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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