Individual Calculations February 2013
 Roorda, Thijs  Total change: -8.85  Rating chartPersonal card
 Tata Steel Chess Tournament 2013 Dag 2B Wijk aan Zee NED 2013-01-14
RcRownchangeKK*chgGame
 2064 2094 0.50 2 -0.59 15 -8.85 
  Landsbergen, Ron 2068 NED0.001-0.5415-8.10 
  Holscher, Peter 2060 NED0.501-0.0515-0.75 

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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