Individual Calculations January 2010
 Soerdjan, Kiran  Total change: 6.25  Rating chartPersonal card
 Klasse 3A Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2121 1928 0.50 1 0.25 25 6.25 
  Van Drunen, Kees 2121 NED0.5010.25256.25 

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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