Individual Calculations May 2018
 Roberts, Malcolm A  Total change: 2.00  Rating chartPersonal card
 71st West of England Chess Union Congress Major Exmouth ENG 2018-03-30
RcRownchangeKK*chgGame
 1778 1629 2.00 6 0.10 20 2.00 
  Gosling, Brian Ge 1806 ENG0.5010.23204.60 
  Woodward, Tim F 1914 ENG0.5010.34206.80 
  Jackson, Paul G 1807 ENG0.001-0.2720-5.40 
  Foley, Phil T 1717 ENG0.001-0.3820-7.60 
  Greenaway, Terence V 1517 ENG0.501-0.1520-3.00 
  Gamble, Raymond J 1904 ENG0.5010.33206.60 

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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