Individual Calculations August 2015
 Arkell, Keith C  Total change: -13.60  Rating chartPersonal card
 12th South Wales International Open Cardiff WLS 2015-07-11
RcRownchangeKK*chgGame
 2250 2502 6.50 10 -1.36 10 -13.60 
  Thorpe, Thomas 2102  * WLS1.0010.08100.80 
  Morris, Charles F 2144 WLS1.0010.10101.00 
  Hernandez Jimenez, Alexander f2285 VEN0.501-0.2810-2.80 
  Bullen, Alex 2102  * WLS0.501-0.4210-4.20 
  Young, Alan 2102  * WLS0.501-0.4210-4.20 
  Braun, Walter f2222 AUT1.0010.16101.60 
  Lauridsen, Jesper Morch f2316 DEN0.501-0.2410-2.40 
  Kett, Tim 2219 WLS1.0010.16101.60 
  Petrov, Marian g2487 BUL0.501-0.0210-0.20 
  Chatalbashev, Boris g2516 BUL0.001-0.4810-4.80 
 * 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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