Individual Calculations April 2021
 Kostavetsky, Alexander  Total change: -9.00  Rating chartPersonal card
 Rishon Lezion automn 2020-21 Rishon Lezion ISR 2020-12-15
RcRownchangeKK*chgGame
 1713 1594 2.00 7 -0.45 20 -9.00 
  Gleizer, Adar 1833 ISR0.001-0.2020-4.00 
  Leib, Yoni 1672 ISR0.001-0.3920-7.80 
  Azoulay, Yehonatan 1572 ISR0.001-0.5320-10.60 
  Pelech, Roee 1761 ISR0.001-0.2820-5.60 
  Zaslavsky, Oleg 1674 ISR1.0010.612012.20 
  Kutikov, Gregory 1905 ISR1.0010.862017.20 
  Saad, Nir 1577 ISR0.001-0.5220-10.40 

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)
 

 

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