Individual Calculations May 2015
 Gershkowich, David  Total change: 45.00  Rating chartPersonal card
 30th Czerniak Memorial Open A Tel Aviv ISR 2015-04-05
RcRownchangeKK*chgGame
 2185 2213 4.00 5 1.30 20 26.00 
  Kinberg, Ofer 2018 ISR1.0010.25205.00 
  Iskhakov, Michael 2177 ISR0.501-0.0520-1.00 
  Cnaan, Moshe 2019 ISR1.0010.25205.00 
  Libman, Guy 2245 ISR1.0010.542010.80 
  Soffer, Ram g2466 ISR0.5010.31206.20 

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)
 
 National Team Championship 2015 postponed match Round 6 Tel Aviv ISR 2015-04-17
RcRownchangeKK*chgGame
 2277 2213 1.00 1 0.59 20 11.80 
  Tarnopolsky, Anatoly f2277 ISR1.0010.592011.80 

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)
 
 National Team Championship 2015 Round 9-10 various ISR 2015-04-24
RcRownchangeKK*chgGame
 2345 2213 1.00 2 0.36 20 7.20 
  Gindi, Shachar f2346 ISR1.0010.682013.60 
  Arlinsky, Uriel f2343 ISR0.001-0.3220-6.40 

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)
 

 

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