Individual Calculations November 2023
 Sierra, Henry Alberto  Total change: -11.20  Rating chartPersonal card
 IRT Raza Sub-1999 Medellin 2023 Medellin COL 2023-10-12
RcRownchangeKK*chgGame
 1458 1438 3.00 7 -0.56 20 -11.20 
  Valle, Efrain f1944 COL0.001-0.0420-0.80 
  Castano Escobar, Jose Roman 1203 COL0.001-0.7920-15.80 
  Zapata Urrego, Camilo 1138 COL1.0010.15203.00 
  Bustos Acosta, Isauro 1611 COL0.001-0.2720-5.40 
  Malagon Malagon, Gabriela 1191 COL0.501-0.3120-6.20 
  Toro, Jonathan 1854 COL0.5010.43208.60 
  Herrera Idarraga, Karen Alejandra 1266 COL1.0010.27205.40 

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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