Individual Calculations January 2009
 Vidarte Morales, Arturo  Total change: -6.00  Rating chartPersonal card
 TORNEO SELECTIVO NACIONAL "CIUDAD DE LA OROYA" La Oroya-Junin PER 2008-09-07
RcRownchangeKK*chgGame
 2161 2431 3.50 5 -0.60 10 -6.00 
  Suasnabar, Jesus 2085 PER1.0010.11101.10 
  Dolorier, Smith 2204 PER0.501-0.2910-2.90 
  Ninahuaman, Efren 2142 PER0.501-0.3410-3.40 
  Mamani, Joan Franco 2081 PER1.0010.11101.10 
  Quinones, Cesar f2293 PER0.501-0.1910-1.90 

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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