Individual Calculations January 2009
 Westerveld, Wim  Total change: -22.05  Rating chartPersonal card
 2C - r 1-3 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2117 2237 0.50 3 -1.47 15 -22.05 
  Schipper, Rijk 2141 NED0.001-0.6315-9.45 
  Straver, Robert 2209 NED0.001-0.5415-8.10 
  Hennink, Erik 2001 NED0.501-0.3015-4.50 

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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