Individual Calculations October 2013
 Kostovetsky, Daniel  Total change: 9.45  Rating chartPersonal card
 2013 MCC September Open Grand Prix New York, New York USA 2013-09-07
RcRownchangeKK*chgGame
 2176 1916 1.00 2 0.63 15 9.45 
  Maltese, Adam S 2221 USA0.001-0.1415-2.10 
  West, James R 2130 USA1.0010.771511.55 

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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