Individual Calculations August 2013
 Ryba, Nicholas A  Total change: -12.30  Rating chartPersonal card
 41st Annual World Open - Open Section Arlington, Virginia USA 2013-06-29
RcRownchangeKK*chgGame
 2154 2111 1.00 4 -0.82 15 -12.30 
  Neimer, Vitaly m2421 ISR0.001-0.1415-2.10 
  Abrahamyan, Tatev wg2310 USA0.001-0.2415-3.60 
  Al Khateeb, Taher 1984 KUW0.001-0.6715-10.05 
  Sloan, Sam 1901 USA1.0010.23153.45 

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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