Individual Calculations September 2009
 Dupre, Paul D  Total change: 9.90  Rating chartPersonal card
 Big Slick London Open Purley ENG 2009-06-26
RcRownchangeKK*chgGame
 2167 2045 2.00 4 0.66 15 9.90 
  Sanchez Rojo, Gustavo 2227 ESP1.0010.741511.10 
  Haldane, Robin W 2155 ENG1.0010.65159.75 
  Ruston, Mark R 2092 ENG0.001-0.4315-6.45 
  Ross, Chris N 2195 ENG0.001-0.3015-4.50 

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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