Individual Calculations February 2018
 Ramirez Madrid, Daniel Alberto  Total change: -22.40  Rating chartPersonal card
 Campeonato Nacional Infantil Sub12 2018 Heredia CRC 2018-01-25
 1146 1257 2.00 4 -0.56 40 -22.40 
  Vargas Solano, Aaron 1005 CRC1.0010.19407.60 
  Alvarez Ugalde, Isaac 1094 CRC1.0010.284011.20 
  Quiros Acuna, Sebastian 1334 CRC0.001-0.3940-15.60 
  Semana Ramirez, Jerian 1151 CRC0.001-0.6440-25.60 

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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