Rapid: Individual Calculations October 2017
 Rubinstein, Mark  Total change: -32.00  Rating chartPersonal card
 Israel S65 Rapid Championship 2017 Tel Aviv ISR 2017-09-26
RcRownchangeKK*chgGame
 1684 1847 0.50 3 -1.60 20 -32.00 
  Gutt, Gregory 1587 ISR0.501-0.3220-6.40 
  Grinberg, Yaacov 1612 ISR0.001-0.7920-15.80 
  Blau, Reuven 1853 ISR0.001-0.4920-9.80 

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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