Rapid: Individual Calculations March 2019
 Xiao, Lucas  Total change: 0.80  Rating chartPersonal card
 Summit Junior Chess Rapid Feb-19 Auckland NZL 2019-02-17
RcRownchangeKK*chgGame
 1248 1230 1.00 2 0.04 20 0.80 
  Liu, Ethan 1083 NZL1.0010.30206.00 
  Zhang, Kendrick 1412 NZL0.001-0.2620-5.20 

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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