Individual Calculations September 2015
 Arboleda Orozco, Juan M  Total change: -31.60  Rating chartPersonal card
 XXII IRT Internacional Feria de las Flores Medellin 2015 Inmemorial Oscar Castro Medellin COL 2015-08-05
 1904 1952 2.50 6 -0.79 40 -31.60 
  Florez, Carlos Julio 2099 COL0.001-0.3040-12.00 
  Bravo, Juan Eduardo 1740 COL1.0010.23409.20 
  Narvaez, Faber Alberto 2090 COL0.5010.19407.60 
  Suarez, Luis Humberto 2100 COL0.001-0.3040-12.00 
  Toro Castaneda, Elizabeht 1772 COL0.001-0.7440-29.60 
  Barrera Hincapie, Felipe 1625 COL1.0010.13405.20 

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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