Individual Calculations September 2011
 Valguarnera, Girolamo  Total change: -12.90  Rating chartPersonal card
 FE 2 del Mediterraneo Terrasini ITA 2011-06-18
RcRownchangeKK*chgGame
 2181 2151 2.00 6 -0.86 15 -12.90 
  Bifulco, Michel 2028 ITA0.001-0.6715-10.05 
  La Bella, Roberto 2168 ITA0.001-0.4815-7.20 
  Messina, Damiano 1950 ITA1.0010.24153.60 
  Puleo, Diego 2014 ITA1.0010.32154.80 
  Meijers, Viesturs g2473 LAT0.001-0.1315-1.95 
  Gaponenko, Inna mwg2455 UKR0.001-0.1415-2.10 

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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