Individual Calculations September 2010
 Mazzetta, Renato  Total change: -8.85  Rating chartPersonal card
 OP 10 Valle del Chiese Condino ITA 2010-07-26
 1992 1929 2.00 6 -0.59 15 -8.85 
  Bettalli, Marco 2074 ITA0.5010.19152.85 
  Brunello, Roberta 2064 ITA0.001-0.3215-4.80 
  Schaberg, Wolfgang 1945 ITA0.5010.02150.30 
  Petragnani, Gian Giacomo 1674 ITA1.0010.19152.85 
  Qendro, Llambi m2329  * ALB0.001-0.0815-1.20 
  Pichler, Christoph 1867 ITA0.001-0.5915-8.85 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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