Individual Calculations April 2009
 Ilan, Liad  Total change: -10.05  Rating chartPersonal card
 Chaim Kandelshine Memorial 2008 Herzlia ISR 2008-10-27
RcRownchangeKK*chgGame
 2008 2034 1.00 2 -0.06 15 -0.90 
  Towers, Brian 1881 ISR1.0010.30154.50 
  Cnaan, Moshe 2135 ISR0.001-0.3615-5.40 

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)
 
 Israel U20 League 2009 Various ISR 2008-11-01
RcRownchangeKK*chgGame
 2184 2034 0.00 2 -0.61 15 -9.15 
  Sartena, Arnon 2115 ISR0.001-0.3915-5.85 
  Raznikov, Danny 2252 ISR0.001-0.2215-3.30 

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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