Individual Calculations January 2019
 Webster, Jim J  Total change: 43.00  Rating chartPersonal card
 28th World Senior Chess Championship 2018 Open 65 Bled SLO 2018-11-18
RcRownchangeKK*chgGame
 1966 1730 4.50 11 2.15 20 43.00 
  Siegmund, Rainer 2102 GER0.5010.40208.00 
  Norman, Kenneth I c2099 ENG0.001-0.1020-2.00 
  Andreas, Guenter 1967 GER0.5010.30206.00 
  Davydov, Mihail 1959 GER0.001-0.2120-4.20 
  Gibbons, Robert f1914 NZL0.5010.24204.80 
  Jaksa, Cvetko 1897 SLO0.5010.22204.40 
  Rogovin, Arkadi 1867 ISR0.5010.18203.60 
  Zybura, Andre 1863 CAN1.0010.682013.60 
  Ramusch, Arnulf 1954 AUT1.0010.782015.60 
  Ilic, Slobodan S 2026 SRB0.001-0.1520-3.00 
  Keogh, Eamon 1982 IRL0.001-0.1920-3.80 

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)
 

 

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