Individual Calculations September 2013
 Maldonado, Oscar L  Total change: 11.55  Rating chartPersonal card
 45th Annual Atlantic Open Washington DC USA 2013-08-23
RcRownchangeKK*chgGame
 2102 2160 3.00 4 0.77 15 11.55 
  Nguyen, Tan f1816 USA1.0010.12151.80 
  Zlotnikov, Mikhail m2278 USA0.001-0.3415-5.10 
  Diskin, Daniel 2106 USA1.0010.42156.30 
  Feliachi, Nabil 2209 USA1.0010.57158.55 

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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