Individual Calculations November 2018
 Li, Jerry  Total change: -34.00  Rating chartPersonal card
 Westford October Open Westford, Massachusetts USA 2018-10-06
 1919 2006 1.00 3 -0.85 40 -34.00 
  Sage, J Timothy 2010 USA0.001-0.4940-19.60 
  Chen, Maxwell D 1857 USA0.501-0.2040-8.00 
  Xu, Bernie 1889 USA0.501-0.1640-6.40 

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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