Individual Calculations August 2013
 Izoria, Zviad  Total change: -12.30  Rating chartPersonal card
 41st Annual World Open - Open Section Arlington, Virginia USA 2013-06-29
 2388 2591 5.50 9 -1.23 10 -12.30 
  Shen, Arthur f2270 USA0.001-0.8710-8.70 
  Pressman, Leif A f2240 USA1.0010.11101.10 
  Abrahamyan, Tatev wg2310 USA1.0010.16101.60 
  Neimer, Vitaly m2421 ISR1.0010.28102.80 
  Cornejo, Max m2395 PER0.501-0.2510-2.50 
  Harmon-Vellotti, Luke C f2340 USA1.0010.19101.90 
  Fishbein, Alexander g2506 USA0.501-0.1210-1.20 
  Holt, Conrad g2531 USA0.001-0.5810-5.80 
  Krush, Irina mwg2482 USA0.501-0.1510-1.50 

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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