Individual Calculations May 2010
 Van Halderen, Herman  Total change: -12.75  Rating chartPersonal card
 Klasse 3E Round 7-9 - Dutch Team Competition Various NED 2010-03-06
RcRownchangeKK*chgGame
 1953 2084 0.50 2 -0.85 15 -12.75 
  Weijermars, Boudewijn 1922 NED0.001-0.7115-10.65 
  Geerke, Daan 1983 NED0.501-0.1415-2.10 

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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