Individual Calculations February 2016
 Goorden, Johan  Total change: -17.00  Rating chartPersonal card
 Tata Steel Chess Tournament 2016 - Weekendvierkampen Wijk aan Zee NED 2016-01-15
RcRownchangeKK*chgGame
 1730 1867 0.50 2 -0.85 20 -17.00 
  Wooter, Robin 1620 NED0.001-0.8120-16.20 
  Ibrahim, Ashraf 1839 NED0.501-0.0420-0.80 

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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