Individual Calculations September 2019
 Peters, Stephen G  Total change: -9.20  Rating chartPersonal card
 55th Berks & Bucks Chess Congress Championship Maidenhead ENG 2019-08-24
 1967 2027 3.00 6 -0.46 20 -9.20 
  Rahman, K Azizur 1897 ENG0.501-0.1820-3.60 
  Chakanyuka, Charles 2019 ZIM0.001-0.5120-10.20 
  Fathallah, Joe 1952 WLS0.501-0.1020-2.00 
  Wager, John D 2014 ENG0.501-0.0220-0.40 
  Borland, Scott 1782 ENG1.0010.20204.00 
  Pye, David E 2135 ENG0.5010.15203.00 

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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