Individual Calculations May 2013
 Harper, Derrick Kieth  Total change: 0.00  Rating chartPersonal card
 2013 Bill Wright Saint Louis Open St Louis, Missouri USA 2013-04-12
 2364 0 0.00 2 0.00 1564   0.00 
  Diamant, Andre g2479 BRA0.0010.00 0.00 
  Eckert, Doug D f2248 USA0.0010.00 0.00 

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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