Individual Calculations March 2010
 Van Der Zalm, Marnix  Total change: -4.20  Rating chartPersonal card
 Klasse 2C Round 5-6 - Dutch Team Competition Various NED 2010-01-09
RcRownchangeKK*chgGame
 2154 2073 0.50 2 -0.28 15 -4.20 
  Werksma, Arie 2244 NED0.001-0.2715-4.05 
  Van Buuren, Fabian 2063 NED0.501-0.0115-0.15 

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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