Individual Calculations June 2023
 Smirin, Ilia  Total change: 4.20  Rating chartPersonal card
 Israeli National league 9-11 Israel ISR 2023-05-03
RcRownchangeKK*chgGame
 2453 2599 2.50 3 0.42 10 4.20 
  Kochavi, Ori f2423 ISR1.0010.27102.70 
  Baron, Tal g2505 ISR1.0010.37103.70 
  Oratovsky, Michael g2431 ISR0.501-0.2210-2.20 

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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