Individual Calculations August 2017
 Abrahamyan, Tatev  Total change: -30.60  Rating chartPersonal card
 2017 National Open Las Vegas, Nevada USA 2017-06-16
 2153 2364 3.00 6 -1.53 20 -30.60 
  Feinstein, Michael f2139 USA0.001-0.7820-15.60 
  Shevelev, Dmitri f2283 ISR1.0010.39207.80 
  Wang, Xiexin 2000 USA0.001-0.9020-18.00 
  Lin, Andy 2147 USA0.501-0.2820-5.60 
  Andersen, Alec C 2052 USA1.0010.14202.80 
  He, Anthony B f2295 USA0.501-0.1020-2.00 

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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