Individual Calculations May 2010
 Van Helvoort, Rob  Total change: -10.65  Rating chartPersonal card
 Klasse 3G Round 7-9 - Dutch Team Competition Various NED 2010-03-06
RcRownchangeKK*chgGame
 2132 2208 0.50 2 -0.71 15 -10.65 
  Van Roosmalen, Sjoerd c2155 NED0.501-0.0715-1.05 
  De Vries, Paul 2108 NED0.001-0.6415-9.60 

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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