Individual Calculations February 2017
 Blom, Martijn  Total change: 27.80  Rating chartPersonal card
 Tata Steel Chess Tournament 2017 - Weekendvierkampen Wijk aan Zee NED 2017-01-13
RcRownchangeKK*chgGame
 2181 2086 2.50 3 1.39 20 27.80 
  Hortensius, Lisa 2193 NED1.0010.652013.00 
  De Roode, Peter 2212 NED0.5010.17203.40 
  Middelhoven, Hein 2137 NED1.0010.572011.40 

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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