Individual Calculations April 2015
 Van Der Werf, Mark  Total change: 6.60  Rating chartPersonal card
 Dutch Team Competition 2014-2015 - Meester - round 6-7 Various NED 2015-03-07
RcRownchangeKK*chgGame
 2469 2402 1.50 2 0.66 10 6.60 
  De Groote, Ewoud 2332 NED1.0010.40104.00 
  L` Ami, Erwin g2605 NED0.5010.26102.60 

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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