Individual Calculations April 2023
 Waisberg, Arnold  Total change: 1.60  Rating chartPersonal card
 Rishon Lezion winter tour 2023 Rishon le Zion ISR 2023-01-24
RcRownchangeKK*chgGame
 1794 1671 2.50 7 0.08 20 1.60 
  Reprun, Nadejda wf1964 ISR0.001-0.1520-3.00 
  Marcovici, Adrian 1780 ISR0.5010.15203.00 
  Zilbershtein, Victor 1657 ISR1.0010.48209.60 
  Medovoy, Yaniv 1842 ISR0.001-0.2720-5.40 
  Ashkenazi, Dror 1609 ISR1.0010.41208.20 
  Tashkinova, Sofiia 1928 ISR0.001-0.1820-3.60 
  Bulkovstein, David 1776 ISR0.001-0.3620-7.20 

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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