Individual Calculations March 2017
 Itzhak, Ariel  Total change: -69.20  Rating chartPersonal card
 Ramat Gan Masters Winter 2017 B Ramat Gan ISR 2017-01-08
RcRownchangeKK*chgGame
 1539 1577 2.00 7 -1.87 40 -74.80 
  Weissberg, Harel 1423 ISR0.001-0.7140-28.40 
  Podgaetski, Roey 1421 ISR0.501-0.2140-8.40 
  Zach, Asif 1651 ISR0.001-0.4040-16.00 
  Leor, Effi 1718 ISR0.5010.19407.60 
  Federovski, Yael 1539 ISR0.001-0.5540-22.00 
  Sobel, Ido 1573 ISR0.501-0.0140-0.40 
  Oren, Ofer 1445 ISR0.501-0.1840-7.20 

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)
 
 Liga Bet Rishon Lezion 2017 Round 3-4 varios ISR 2017-02-04
RcRownchangeKK*chgGame
 1678 1575 0.50 1 0.14 40 5.60 
  Portnoy, Noam 1678 ISR0.5010.14405.60 

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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