Individual Calculations April 2019
 Shtabsky, Sergey  Total change: -30.60  Rating chartPersonal card
 Ganei Tikva Championship 2019 Ganei Tikva ISR 2019-01-03
RcRownchangeKK*chgGame
 1805 1990 2.00 4 -0.81 40 -32.40 
  Gefen, Itamar 1657 ISR0.001-0.8840-35.20 
  Berginsky, Alon 1708 ISR0.001-0.8440-33.60 
  Kolko, Miki 1590  * ISR1.0010.08403.20 
  Libman, Guy 2264 ISR1.0010.834033.20 
 * 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)
 
NOTE: K factor changed
 Liga Alef Merkaz 2019 Round 5 Various ISR 2019-03-07
RcRownchangeKK*chgGame
 2064 1996 0.50 1 0.09 20 1.80 
  Gont, Yefim 2064 ISR0.5010.09201.80 

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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