Individual Calculations September 2013
 Castelli, Giovanni J.  Total change: -14.25  Rating chartPersonal card
 FE 4 Terra degli Elimi Erice ITA 2013-07-24
RcRownchangeKK*chgGame
 1909 1832 1.50 6 -0.95 15 -14.25 
  Van Den Berg, Bram 2231 NED0.5010.42156.30 
  Milletari`, Ruggero 1824 ITA0.501-0.0115-0.15 
  Morello, Guido 2048 ITA0.001-0.2215-3.30 
  Dagnino, Marcello 1516 ITA0.501-0.3715-5.55 
  Pesiri, Rossano 1952 ITA0.001-0.3415-5.10 
  Piazza, Dario 1881 ITA0.001-0.4315-6.45 

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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