Individual Calculations February 2014
 Viviani, Alessio  Total change: 6.60  Rating chartPersonal card
 FE 5 Roseto degli Abruzzi Roseto degli Abruzzi ITA 2014-01-03
RcRownchangeKK*chgGame
 2174 2112 3.00 6 0.44 15 6.60 
  Trazzi, Enrico 1918 ITA1.0010.25153.75 
  Milchev, Nikolay m2457 BUL0.5010.39155.85 
  Sbraccia, Giovanni 2029 ITA1.0010.39155.85 
  Patelli, Alessandro 2186 ITA0.001-0.4015-6.00 
  Pescatore, Lorenzo 2238 ITA0.5010.17152.55 
  Calavalle, Giulio 2215 ITA0.001-0.3615-5.40 

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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