Individual Calculations August 2017
 Perez, Robert M  Total change: -18.20  Rating chartPersonal card
 11th Annual Philadelphia International Philadelphia, Pennsylvania USA 2017-06-24
RcRownchangeKK*chgGame
 2203 2365 4.50 8 -0.99 20 -19.80 
  Zhu, Evelyn 1965  * USA1.0010.08201.60 
  Belous, Vladimir g2567 RUS0.5010.26205.20 
  Wheeler, Cameron m2407 USA0.5010.06201.20 
  Cooke, Eric 2119 USA0.501-0.3120-6.20 
  Zhang, Chao 2229 USA0.501-0.1820-3.60 
  Banik, Siddharth G 2209 USA0.001-0.7120-14.20 
  Proleiko, Julian 2156 USA1.0010.23204.60 
  Tsogtsaikhan, Saikhanchimeg 1970 MGL0.501-0.4220-8.40 
 * 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)
 
 45th Annual World Open Philadelphia, Pennsylvania USA 2017-06-30
RcRownchangeKK*chgGame
 2310 2365 5.50 9 0.43 20 8.60 
  Zhang, Derek 2040 USA1.0010.13202.60 
  Petrosian, Tigran L. g2595 ARM0.001-0.2120-4.20 
  Copeland, Sam S 2118 USA1.0010.19203.80 
  Sadorra, Julio Catalino g2589 PHI0.001-0.2220-4.40 
  Lu, Maximillian c2145 USA0.501-0.2820-5.60 
  Times, Lawyer 2173 USA1.0010.25205.00 
  Elezi, Luan 2116 USA1.0010.19203.80 
  Moradiabadi, Elshan g2550 USA1.0010.742014.80 
  Fishbein, Alexander g2466 USA0.001-0.3620-7.20 

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)
 
 10th Annual Chicago Class Wheeling, Illinois USA 2017-07-14
RcRownchangeKK*chgGame
 2303 2396 1.50 3 -0.35 20 -7.00 
  Kaulule, Kela Siame 2165 ZAM1.0010.21204.20 
  Georgiev, Vladimir g2513 MKD0.5010.16203.20 
  Bian, Alex f2231 USA0.001-0.7220-14.40 

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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