Individual Calculations May 2023
 Yarmonov, Igor  Total change: -1.80  Rating chartPersonal card
 Jeruchess February 2023 5 mar Jerusalem ISR 2023-03-05
RcRownchangeKK*chgGame
 1940 2327 6.50 7 0.27 20 5.40 
  Waxman, Mark 1927  * ISR1.0010.08201.60 
  Tsafrir, Ori 1725 ISR1.0010.02200.40 
  Cohen, Alon 2012 ISR1.0010.14202.80 
  Weinreb, Boaz 1760 ISR1.0010.02200.40 
  Vazana, Yochay 2027 ISR1.0010.15203.00 
  Zlotnik, Andrew 2096 ISR1.0010.21204.20 
  Berenboym, Igor 2036 ISR0.501-0.3520-7.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Israeli Arzit League Darom 2023 Round 4 ligue artzit Ashdod ISR 2023-04-10
RcRownchangeKK*chgGame
 2438 2332 0.00 1 -0.36 20 -7.20 
  Efroimski, Marsel mwg2438 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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