Individual Calculations March 2017
 Collins, Mark A.  Total change: -3.80  Rating chartPersonal card
 Armstrong Cup 2016-17 Rounds 5-6 Various IRL 2016-11-14
RcRownchangeKK*chgGame
 1725 2030 1.50 2 -0.19 20 -3.80 
  Cullen, Ben 1630  * IRL0.501-0.4220-8.40 
  Antohi, Marius 1820 IRL1.0010.23204.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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