Individual Calculations January 2009
 Williamson, Kevin J  Total change: -6.15  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2042 2026 0.50 2 -0.45 15 -6.75 
  Stevenson, James A B 2073 SCO0.001-0.4315-6.45 
  Josse, Mark 2010 ENG0.501-0.0215-0.30 

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)
 
 Milton Keynes Open Milton Keynes ENG 2008-11-14
RcRownchangeKK*chgGame
 2182 2026 1.00 3 0.04 15 0.60 
  Hebden, Mark L g2376 ENG0.001-0.1115-1.65 
  Webster, Richard J 1975 ENG1.0010.43156.45 
  Burrows, Martin P 2196 ENG0.001-0.2815-4.20 

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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