Individual Calculations July 2011
 Zapata, Miguel  Total change: -3.30  Rating chartPersonal card
 IV Abierto Simon Bolivar PDVSur Buenos Aires ARG 2011-05-13
RcRownchangeKK*chgGame
 1841 1630 1.50 7 -0.22 15 -3.30 
  Ippoliti, Horacio 2030  * ARG0.001-0.0815-1.20 
  Sanchez Sandoval, Gonzalo 1953 CHI0.001-0.1315-1.95 
  Scagliarini, Mauro 1791 ARG0.001-0.2915-4.35 
  Hoeschele, Hermann 1760 ARG0.5010.18152.70 
  Anaya, Mario Manuel 1813 ARG0.001-0.2615-3.90 
  Maldonado, Oscar Lorenzo 1706 ARG0.5010.10151.50 
  Toranzo, Sebastian 1835 ARG0.5010.26153.90 
 * 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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