Individual Calculations February 2013
 Westerman, Henk  Total change: -38.25  Rating chartPersonal card
 Tata Steel Chess Tournament 2013 Tienkampen 3H Wijk aan Zee NED 2013-01-18
RcRownchangeKK*chgGame
 1964 1927 1.50 9 -2.55 15 -38.25 
  Keetman, Maaike 1811 NED0.001-0.6615-9.90 
  Andersen, Niels Erik 1958 DEN0.5010.04150.60 
  Van Der Maat, Niek 1984 NED0.001-0.4215-6.30 
  Lindeman, Johan 2002 NED0.5010.10151.50 
  Sula, Avni 2012 ALB0.001-0.3815-5.70 
  Hazenberg, Frans 1994 NED0.001-0.4115-6.15 
  Van Tooren, Erik 1964 NED0.001-0.4515-6.75 
  Kevlishvili, Robby 1950 NED0.5010.03150.45 
  Van Foreest, Lucas 2003 NED0.001-0.4015-6.00 

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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