Individual Calculations February 2017
 Roothaan, Elmar  Total change: 34.40  Rating chartPersonal card
 Chessfestival Groningen 2016 - Compact C Groningen NED 2016-12-26
RcRownchangeKK*chgGame
 1577 1628 2.00 2 0.86 40 34.40 
  De Boer, Sake Jan 1572 NED1.0010.424016.80 
  Sikkes, Piet 1582 NED1.0010.444017.60 

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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