Individual Calculations November 2009
 Obregon, Andres Carlos  Total change: 3.60  Rating chartPersonal card
 2 Simon Bolivar Copa PDVSur Buenos Aires ARG 2009-08-24
 2246 2406 6.50 9 0.36 10 3.60 
  Molina, Pablo Sebastian 2006  * ARG1.0010.08100.80 
  Pena Morales, Hugo 2107 PER0.501-0.3510-3.50 
  Fell, Sebastian 2098 ARG0.501-0.3610-3.60 
  Carraro, Denise wm2097 ARG1.0010.14101.40 
  Anelli, Antonio f2176 ARG1.0010.21102.10 
  Vittorino, Carlo Giovanni f2330 COL1.0010.40104.00 
  Perez Ponsa, Federico m2435 ARG0.5010.04100.40 
  Liascovich, Lucas m2444 ARG1.0010.55105.50 
  Alonso, Salvador m2517 ARG0.001-0.3510-3.50 
 * 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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