Individual Calculations February 2014
 Vorstermans, Peter  Total change: -1.80  Rating chartPersonal card
 Tata Steel Chess Tournament 2014 - Weekend 3A Wijk aan Zee NED 2014-01-10
RcRownchangeKK*chgGame
 2006 2029 1.00 2 -0.06 30 -1.80 
  Kelder, Sjoerd 2026 NED0.5010.00300.00 
  Van Gils, Martin 1985 NED0.501-0.0630-1.80 

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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