Individual Calculations January 2009
 Herrera, Martin  Total change: -11.55  Rating chartPersonal card
 ITT Sheraton Mendoza 2008 Mendoza ARG 2008-12-05
RcRownchangeKK*chgGame
 2338 2190 2.00 9 -0.77 15 -11.55 
  Castro, Oscar H. m2395 COL0.001-0.2415-3.60 
  Perez Ponsa, Federico f2363 ARG0.001-0.2715-4.05 
  Van Riemsdijk, Herman C. m2404 BRA0.5010.27154.05 
  Real De Azua, Ernesto m2413 ARG0.001-0.2215-3.30 
  Zuriel, Marisa wm2189 ARG0.001-0.5015-7.50 
  Luconi, Cristian 2300 ARG0.001-0.3515-5.25 
  Granara Barreto, Sebastian f2260 URU1.0010.60159.00 
  Lopez Silva, Hugo 2378 CHI0.001-0.2615-3.90 
  Salguero, Francisco f2336 ARG0.5010.20153.00 

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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