Individual Calculations January 2012
 Boger, Raymond  Total change: 8.25  Rating chartPersonal card
 London Chess Classic 2011: Open London ENG 2011-12-03
RcRownchangeKK*chgGame
 2066 1959 3.50 8 0.55 15 8.25 
  Radovanovic, Jovica f2309 ENG0.001-0.1115-1.65 
  Quinn, John M 2151 ENG0.5010.25153.75 
  Harari, Zaki 2180 ENG0.5010.28154.20 
  Blazquez, Denis 2178 FRA0.5010.28154.20 
  Mareckova, Martina 2123 CZE0.001-0.2815-4.20 
  Seymour, Timothy P 2033 ENG0.001-0.4015-6.00 
  Tortorella, Giancarlo 1766 ITA1.0010.25153.75 
  Bishop, Geoffrey L 1791 ENG1.0010.28154.20 

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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