Rapid: Individual Calculations December 2021
 Birnboim, Nathan  Total change: 3.00  Rating chartPersonal card
 Israel National Cup 2021 Jerusalem ISR 2021-11-26
RcRownchangeKK*chgGame
 2195 2315 2.00 3 0.15 20 3.00 
  Cohen, Alon 1889 ISR1.0010.07201.40 
  Krayz, Alexander m2191 ISR1.0010.33206.60 
  Steinberg, Nitzan g2505 ISR0.001-0.2520-5.00 

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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