Individual Calculations August 2017
 Petrosian, Tigran L.  Total change: 20.30  Rating chartPersonal card
 2017 National Open Las Vegas, Nevada USA 2017-06-16
RcRownchangeKK*chgGame
 2599 2595 2.00 3 0.52 10 5.20 
  Nyzhnyk, Illya g2612 UKR0.5010.02100.20 
  Li, Ruifeng g2571 USA1.0010.47104.70 
  Gordievsky, Dmitry m2613 RUS0.5010.03100.30 

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)
 
 45th Annual World Open Philadelphia, Pennsylvania USA 2017-06-30
RcRownchangeKK*chgGame
 2460 2595 7.50 9 1.51 10 15.10 
  Yanayt, Eugene f2195  * USA1.0010.08100.80 
  Perez, Robert M 2365 USA1.0010.21102.10 
  Panjwani, Raja m2404 CAN1.0010.25102.50 
  Stripunsky, Alexander g2536 USA0.501-0.0810-0.80 
  Yang, Kaiqi m2415 CHN1.0010.26102.60 
  Xiong, Jeffery g2658 USA0.001-0.4110-4.10 
  Tang, Andrew m2461 USA1.0010.32103.20 
  Zhou, Jianchao g2595 CHN1.0010.50105.00 
  Barbosa, Oliver g2511 PHI1.0010.38103.80 
 * 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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