Individual Calculations September 2018
 Arboleda Orozco, Juan M  Total change: -34.80  Rating chartPersonal card
 XXV Torneo IRT Internacional Feria de las Flores In Memoriam Oscar Castro 2018 Medellin COL 2018-08-03
 2062 2087 4.00 9 -0.87 40 -34.80 
  Hernandez Sanchez, Jairo Andres m2389 COL0.5010.354014.00 
  Gamboa, Nelson m2327 COL0.001-0.2040-8.00 
  Chavez, Brayan Steven c1873 COL0.501-0.2740-10.80 
  Cadavid, Juan Miguel 2001 COL1.0010.384015.20 
  Vargas Arteaga, Alexis f2240 COL0.001-0.3040-12.00 
  Medina, Andres Felipe 1949 COL0.001-0.6940-27.60 
  Nino Penaloza, Cesar Gerardo 1932 COL1.0010.294011.60 
  Toro Castaneda, Elizabeht c1995 COL0.001-0.6340-25.20 
  Serrato, Rafael Antonio 1851 COL1.0010.20408.00 

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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