Individual Calculations November 2017
 Perdomo, Jefferson  Total change: 27.40  Rating chartPersonal card
 VII IRT Abierto Internacional Raza Medellin 2017 Medellin COL 2017-10-18
RcRownchangeKK*chgGame
 2168 1999 4.00 9 1.37 20 27.40 
  Cano, Luis Fernando 2272 COL0.5010.33206.60 
  Pazos Gambarrotti, Plinio m2249 ECU0.001-0.1920-3.80 
  Chirivi, Angie Lizeth 2036 COL1.0010.552011.00 
  Herrera, Juan Sebastian f2285 COL1.0010.842016.80 
  Castaneda, Jhon David f2175 COL0.001-0.2720-5.40 
  Arboleda Orozco, Juan M c1977 COL1.0010.47209.40 
  Echavarria, Johann m2298 COL0.001-0.1520-3.00 
  Pedraza, Yonnattanth 2126 COL0.5010.17203.40 
  Prado, Leonardo 2090 COL0.001-0.3820-7.60 

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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