Individual Calculations March 2018
 Quinn, Mark  Total change: -3.30  Rating chartPersonal card
 Armstrong Cup 2017-18 Rounds 5-6 Various IRL 2017-11-15
RcRownchangeKK*chgGame
 2002 2389 1.50 2 -0.33 10 -3.30 
  Cafolla, Peter 1992 IRL1.0010.08100.80 
  Cichonski, Bartlomiej 2012 IRL0.501-0.4110-4.10 

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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