Individual Calculations August 2019
 Carter, David  Total change: -4.20  Rating chartPersonal card
 Westford July Open Westford, Massachusetts USA 2019-07-13
 2068 2112 1.50 3 -0.21 20 -4.20 
  Xu, Bernie 1860 USA0.501-0.3120-6.20 
  Padmanabhan, Akshay 1879 USA1.0010.21204.20 
  Ivanov, Alexander g2464 USA0.001-0.1120-2.20 

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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