Individual Calculations October 2015
 Yang, Yi  Total change: 16.40  Rating chartPersonal card
 75th New England Open Boxborough, Massachusetts USA 2015-09-05
 2127 2242 3.00 4 0.41 40 16.40 
  Astrachan, Edward 2004 USA1.0010.20408.00 
  King, Robert J 2015 USA1.0010.21408.40 
  Koganov, Mikhail 2132 USA1.0010.354014.00 
  Winer, Steven f2355 USA0.001-0.3540-14.00 

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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