Individual Calculations January 2010
 Westerveld, Wim  Total change: -6.30  Rating chartPersonal card
 Klasse 2C Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2047 2208 1.00 2 -0.42 15 -6.30 
  Provoost, Harry 2113 NED0.001-0.6315-9.45 
  Weiland, Harro 1980 NED1.0010.21153.15 

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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