Individual Calculations May 2011
 Bosboom, Harold  Total change: 5.00  Rating chartPersonal card
 e2e4 Brighton Challengers C Brighton ENG 2011-02-23
RcRownchangeKK*chgGame
 2008 1931 3.00 7 0.20 25 5.00 
  Craft, Isaac 1791 ENG0.001-0.6925-17.25 
  Fryer, David W 2056 ENG1.0010.672516.75 
  Stevenson, James 2097 SCO0.001-0.2825-7.00 
  Lock, Gavin R 2176 ENG0.001-0.2025-5.00 
  Campbell, Eoin 1943 SCO1.0010.522513.00 
  Haria, Ravi 1972 ENG0.5010.06251.50 
  Kennedy, Craig 2022 SCO0.5010.12253.00 

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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