Individual Calculations April 2015
 Gottfried, Jonathan  Total change: 11.00  Rating chartPersonal card
 Antwerps Zilveren Toren Division 1 2015 Various BEL 2015-01-16
RcRownchangeKK*chgGame
 1657 1653 1.00 1 0.51 20 10.20 
  Vlaeyens, Manu 1657 BEL1.0010.512010.20 

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)
 
 Antwerps Zilveren Toren Division 2 2015 Antwerpen BEL 2015-01-16
RcRownchangeKK*chgGame
 1596 1653 1.00 1 0.42 20 8.40 
  Jacobs, Paul 1596 BEL1.0010.42208.40 

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)
 
 European Individual Chess Championship 2015 Jerusalem ISR 2015-02-24
RcRownchangeKK*chgGame
 1933 1653 1.00 8 -0.38 20 -7.60 
  Ducarmon, Quinten m2053  * NED0.001-0.0820-1.60 
  Kraus, Yair 2053  * ISR0.001-0.0820-1.60 
  Saadon, Netanel 1939 ISR0.001-0.1620-3.20 
  Vardi, Shlomit 1945 ISR0.001-0.1520-3.00 
  Bronstein, Or 1944 ISR0.001-0.1520-3.00 
  Cohen Revivo, Shoham 1838 ISR0.001-0.2620-5.20 
  Chachashvili, Zuri 1818 ISR1.0010.722014.40 
  Cohen, Itay 1871 ISR0.001-0.2220-4.40 
 * 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)
 

 

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