Individual Calculations February 2015
 Erenburg, Sergey  Total change: -2.20  Rating chartPersonal card
 24th Annual North American Open Las Vegas, Nevada USA 2014-12-26
RcRownchangeKK*chgGame
 2442 2601 6.00 9 -0.22 10 -2.20 
  Sheng, Joshua 2256 USA1.0010.11101.10 
  Nanjo, Ryosuke m2348 JPN1.0010.19101.90 
  Arenas, David m2435 COL0.501-0.2210-2.20 
  Vera, Reinaldo L g2445 CUB1.0010.29102.90 
  So, Wesley g2762 USA0.001-0.2910-2.90 
  De Guzman, Ricardo m2387 PHI0.001-0.7710-7.70 
  Song, Edward f2286 USA1.0010.14101.40 
  Bryant, John Daniel m2367 USA1.0010.21102.10 
  Bu, Xiangzhi g2691 CHN0.5010.12101.20 

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)
 

 

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