Individual Calculations February 2019
 Yoon, Chanyoung  Total change: 6.80  Rating chartPersonal card
 8th I-Chess Cup seoul KOR 2019-01-13
RcRownchangeKK*chgGame
 1414 1228 1.00 3 0.17 40 6.80 
  Na, Wonjin 1552 KOR0.001-0.1340-5.20 
  Kim, Jaeyun 1447 KOR0.001-0.2240-8.80 
  Lee, Aiden Donghoon 1242 KOR1.0010.524020.80 

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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