Individual Calculations May 2023
 Vagman, Roy  Total change: -9.00  Rating chartPersonal card
 Israel Youth Championship under 16- 2023 Israel ISR 2023-03-28
RcRownchangeKK*chgGame
 1888 2298 7.00 9 -1.19 20 -23.80 
  Soybert, Ori 1784 ISR1.0010.04200.80 
  Duchan, Yoav 1829 ISR1.0010.05201.00 
  Bilenkiy, Maksym 1890 ISR0.001-0.9220-18.40 
  Blonder, Daniel 1796 ISR1.0010.04200.80 
  Menahem, Adi 2090 ISR0.001-0.7720-15.40 
  Leib, Yoni 1898  * ISR1.0010.08201.60 
  Medovoy, Yaniv 1887 ISR1.0010.08201.60 
  Pevzner, Maks 2028 ISR1.0010.17203.40 
  Michaeli, Omri 1788 ISR1.0010.04200.80 
 * 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 Merkaz 2023 7 Israel ISR 2023-04-20
RcRownchangeKK*chgGame
 2465 2282 1.00 1 0.74 20 14.80 
  Zifroni, Dov g2465 ISR1.0010.742014.80 

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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