Individual Calculations April 2008
 Vedder, Richard  Total change: 3.90  Rating chartPersonal card
 Corus Chess 2008 - Tienkamp 1A Wijk aan Zee NED 2008-01-18
RcRownchangeKK*chgGame
 2283 2300 5.00 9 0.26 15 3.90 
  Wustefeld, Emile 2255 NED0.501-0.0615-0.90 
  Bezemer, Arno f2361 NED0.5010.08151.20 
  Smits, Mark 2296 NED0.501-0.0115-0.15 
  Holzke, Frank m2503 GER0.001-0.2415-3.60 
  Slingerland, Fred f2306 NED0.5010.01150.15 
  Langedijk, Ardjan 2246 NED1.0010.42156.30 
  Barendse, Ted 2193 NED0.001-0.6515-9.75 
  Weenink, Henk 2160 NED1.0010.31154.65 
  Leburgue, Sylvain 2231 FRA1.0010.40156.00 

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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