Individual Calculations March 2010
 Van Mechelen, Jan  Total change: 3.30  Rating chartPersonal card
 Klasse 3H Round 5-6 - Dutch Team Competition Various NED 2010-01-09
RcRownchangeKK*chgGame
 2172 2280 1.50 2 0.22 15 3.30 
  Van Der Heijden, Alan 2241 NED1.0010.45156.75 
  Obers, Frits 2102 NED0.501-0.2315-3.45 

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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