Individual Calculations September 2012
 Montoya, Rafael  Total change: -47.40  Rating chartPersonal card
 Festival Internacional IRT Feria de las Flores 2012 Medellin COL 2012-08-03
 2104 2063 2.00 8 -1.58 30 -47.40 
  Martinez, Jorge Alexander 2197 COL0.001-0.3230-9.60 
  Lopez Hernandez, Carlos Manuel f2300 COL0.001-0.2030-6.00 
  Lopez, Jorge 2040 COL1.0010.473014.10 
  Castaneda, Jorge Luis 2131 COL0.001-0.4130-12.30 
  Abril, Mauricio 1978 COL1.0010.383011.40 
  Laverde, Luis Eduardo 2118 COL0.001-0.4230-12.60 
  Castano, Jhon Edison 2057 COL0.001-0.5130-15.30 
  Garces, Javier 2010 COL0.001-0.5730-17.10 

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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