Individual Calculations May 2018
 Jarmany, John  Total change: -3.80  Rating chartPersonal card
 Edinburgh Congress Premier 2018 Edinburgh SCO 2018-04-06
RcRownchangeKK*chgGame
 1929 2114 2.50 5 -1.18 20 -23.60 
  Hamilton, Graham 1970 SCO0.001-0.6920-13.80 
  Cooke, Mark 2011 SCO0.501-0.1420-2.80 
  Borwell, Alan P 1930 SCO0.001-0.7420-14.80 
  Macnab, Crawford T 1869 SCO1.0010.20204.00 
  Gray, Euan 1863 SCO1.0010.19203.80 

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)
 
 18th 4NCL Congress Open Doncaster ENG 2018-04-13
RcRownchangeKK*chgGame
 2209 2114 3.00 5 0.99 20 19.80 
  Towers, Brian 1785 ISR1.0010.12202.40 
  Sowray, Peter J f2381 ENG0.001-0.1820-3.60 
  Webster, Richard J 1933 ENG1.0010.26205.20 
  Wells, Peter K g2433 ENG1.0010.872017.40 
  Vakhidov, Jakhongir g2514  * UZB0.001-0.0820-1.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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