Individual Calculations September 2015
 Johnston, Daniel F  Total change: -34.00  Rating chartPersonal card
 45th Annual Continental Open Sturbridge, Massachusetts USA 2015-08-13
RcRownchangeKK*chgGame
 2051 1940 1.00 5 -0.85 40 -34.00 
  Schut, Lisa wm2306 NED0.5010.404016.00 
  Chi, Patrick 2123 USA0.001-0.2640-10.40 
  Times, Lawyer 2110 USA0.001-0.2840-11.20 
  Procyk, Marijan 1960 USA0.001-0.4740-18.80 
  Lomeli, Ian 1758 USA0.501-0.2440-9.60 

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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