Individual Calculations May 2023
 Sverdlov, Arie  Total change: -11.00  Rating chartPersonal card
 Jeruchess February 2023 5 mar Jerusalem ISR 2023-03-05
RcRownchangeKK*chgGame
 1722 1649 2.50 6 -0.05 40 -2.00 
  Landa, Alex 1805 ISR0.001-0.2940-11.60 
  Zlotnik, Andrew 2096 ISR0.001-0.0640-2.40 
  Volfer, Eliahu 1405 ISR1.0010.20408.00 
  Tsafrir, Ori 1725 ISR0.001-0.4040-16.00 
  Lukovski, Lev 1644 GER1.0010.494019.60 
  Zelkin, Vladimir 1658 ISR0.5010.01400.40 

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)
 
NOTE: K factor changed
 League Alef Jerusalem 2023 7 Israel ISR 2023-04-20
RcRownchangeKK*chgGame
 1665 1628 0.00 1 -0.45 20 -9.00 
  Freiman, Mark 1665 ISR0.001-0.4520-9.00 

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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