Individual Calculations January 2011
 McKenna, Jason P  Total change: -19.50  Rating chartPersonal card
 London Chess Classic Open London ENG 2010-12-08
RcRownchangeKK*chgGame
 2016 2081 3.50 8 -1.30 15 -19.50 
  Gormally, Daniel W g2470 ENG0.001-0.0915-1.35 
  Cork, David J 1841 ENG1.0010.20153.00 
  Hanley, Craig A m2428 ENG0.001-0.1115-1.65 
  Schmitz, Tim 1934 GER0.501-0.2015-3.00 
  Jones, Steven A 1801 ENG0.501-0.3415-5.10 
  Lappas, Konstantinos 1858 GRE0.501-0.2815-4.20 
  Wadsworth, Matthew J 1889 ENG0.501-0.2515-3.75 
  Mollison, Jamie 1906 SCO0.501-0.2315-3.45 

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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