Individual Calculations February 2018
 Arboleda Orozco, Juan M  Total change: 79.20  Rating chartPersonal card
 IRT Abierto Apertura C. Conconcreto Medellin 2018 Medellin COL 2018-01-24
 2126 2025 4.50 7 1.98 40 79.20 
  Leon Acevedo, Juan Alejandro c1625  * COL1.0010.08403.20 
  Aponte Castillo, Ernesto 2147 COL1.0010.674026.80 
  Hernandez Montes, Jhon Sebast 2313 COL0.5010.344013.60 
  Vargas Arteaga, Alexis 2231 COL0.001-0.2440-9.60 
  Blandon, Luis Guillermo m2260 COL0.5010.294011.60 
  Chirivi C, Jenny Astrid wm2185 COL1.0010.714028.40 
  Zapata Cuartas, Juan Carlos 2120 COL0.5010.13405.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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