Individual Calculations February 2017
 Ackley, Peter J E  Total change: 12.60  Rating chartPersonal card
 12th 4NCL Congress Major Harrogate ENG 2017-01-06
RcRownchangeKK*chgGame
 1867 1980 2.00 2 0.69 20 13.80 
  Desmedt, Richard 1839 ENG1.0010.31206.20 
  Goodfellow, Russell Robert 1895 ENG1.0010.38207.60 

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)
 
 2016/17 4NCL Division 2 Rounds 3-4 Northampton ENG 2017-01-14
RcRownchangeKK*chgGame
 1939 1980 0.50 1 -0.06 20 -1.20 
  Stimpson, Philip M 1939 ENG0.501-0.0620-1.20 

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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