Individual Calculations August 2019
 Robson, Ray  Total change: 0.90  Rating chartPersonal card
 47th Annual World Open Philadelphia, Pennsylvania USA 2019-07-03
RcRownchangeKK*chgGame
 2431 2652 7.00 9 0.09 10 0.90 
  Huang, Qiuyu f2252  * CAN1.0010.08100.80 
  Khomeriki, Nino wg2343 GEO1.0010.14101.40 
  Shabalov, Alexander g2500 USA0.501-0.2010-2.00 
  Boros, Denes g2467 HUN0.501-0.2410-2.40 
  Bartell, Thomas m2375 USA0.501-0.3310-3.30 
  Krush, Irina gwg2422 USA1.0010.21102.10 
  Chirila, Ioan-Cristian g2534 ROU1.0010.34103.40 
  Burke, John M g2562 USA0.501-0.1210-1.20 
  Fedorowicz, John g2420 USA1.0010.21102.10 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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