Individual Calculations December 2019
 Chong, Joshua E  Total change: 9.60  Rating chartPersonal card
 7th Annual Magnus High School and Junior High Chess League - November 2019 New York, New York USA 2019-11-10
 1567 1478 1.00 2 0.24 40 9.60 
  Morris-Suzuki, Alan 1591 USA0.001-0.3540-14.00 
  Cushman, Sean 1542 USA1.0010.594023.60 

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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