Individual Calculations April 2017
 Alterman, Boris  Total change: 5.00  Rating chartPersonal card
 Israel National Team Championship 2017 Round 9-10 various ISR 2017-03-10
RcRownchangeKK*chgGame
 2599 2602 1.50 2 0.50 10 5.00 
  Zoler, Dan g2497 ISR1.0010.36103.60 
  Rodshtein, Maxim g2701 ISR0.5010.14101.40 

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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