Individual Calculations September 2009
 Cleal, John  Total change: -6.45  Rating chartPersonal card
 OP XVII N. La Rosa Mazara del Vallo ITA 2009-08-07
RcRownchangeKK*chgGame
 1974 1958 1.00 3 -0.43 15 -6.45 
  Messina, Damiano 1991 ITA0.5010.05150.75 
  Vincenzi, Marco 2080 ITA0.5010.17152.55 
  Di Misa, Salvatore 1851 ITA0.001-0.6515-9.75 

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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