Individual Calculations February 2017
 Lavie, Efi  Total change: 36.40  Rating chartPersonal card
 Liga Bet Rehovot 2017 Round 1-2 various ISR 2017-01-07
RcRownchangeKK*chgGame
 1676 1521 1.50 2 0.91 40 36.40 
  Tiktin, Amir 1720 ISR0.5010.264010.40 
  Bigelman, Itzhak 1632 ISR1.0010.654026.00 

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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