Individual Calculations September 2011
 Hurn, Robert Aj  Total change: -5.55  Rating chartPersonal card
 8th South Wales International Open Penarth WLS 2011-07-09
RcRownchangeKK*chgGame
 1955 1817 1.00 4 -0.37 15 -5.55 
  Brown, Thomas 2080 WLS0.001-0.1815-2.70 
  Menadue, Jeremy F S 2165 ENG0.001-0.1115-1.65 
  Einarsson, Oskar Long 1743 ISL0.501-0.1015-1.50 
  Quinn, Joseph R 1833 ENG0.5010.02150.30 

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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