Individual Calculations April 2018
 Zach, Asif  Total change: -37.60  Rating chartPersonal card
 Ramat Gan Masters Winter 2018 A Ramat Gan ISR 2018-01-01
RcRownchangeKK*chgGame
 1510 1614 5.00 7 0.66 40 26.40 
  Elkayam, Omer 1355 ISR1.0010.18407.20 
  Feldman, Amit 1214  * ISR1.0010.08403.20 
  Shapira, Gal 1630 ISR1.0010.524020.80 
  Sobel, Alon 1646 ISR0.001-0.4640-18.40 
  Bejashvili, Irma 1619 ISR1.0010.514020.40 
  Weissberg, Harel 1534 ISR0.001-0.6140-24.40 
  Vetshtein, Lior 1574 ISR1.0010.444017.60 
 * 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)
 
 Israel Youth Championship 2018 G18 Hakfar Hayarok ISR 2018-03-23
RcRownchangeKK*chgGame
 1595 1614 0.50 4 -1.60 40 -64.00 
  Tadmor, Maya 1498 ISR0.001-0.6640-26.40 
  Perry, Tal 1691 ISR0.5010.11404.40 
  Tadmor, Maya 1498 ISR0.001-0.6640-26.40 
  Perry, Tal 1691 ISR0.001-0.3940-15.60 

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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