Individual Calculations December 2018
 Bracho Ortega, Alexander Rafael  Total change: -16.00  Rating chartPersonal card
 IX Campeonato Panamericano de Ajedrez Escolar Sub-9 Absoluto 2018 Guatire VEN 2018-10-23
RcRownchangeKK*chgGame
 1196 1179 1.50 4 -0.40 40 -16.00 
  Rivero Ochoa, Alan Alexis 1050 VEN1.0010.334013.20 
  Urdaneta Morales, Hector Aaron 1309 VEN0.001-0.3240-12.80 
  Merida Ceballos, Sebastian 1261 VEN0.001-0.3940-15.60 
  Ponce Chamorro, Jayhunsu 1164 PER0.501-0.0240-0.80 

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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