Individual Calculations January 2018
 Ramirez Madrid, Daniel Alberto  Total change: -19.20  Rating chartPersonal card
 VIII Campeonato Panamericano Escolar de Ajedrez Sub 11 Absoluto 2017 San Salvador ESA 2017-12-11
 1359 1276 1.50 5 -0.48 40 -19.20 
  Sifuentes Alcantara, Jhony Sebas 1470 PER1.0010.754030.00 
  Sarda, Pedro Sada 1396 BRA0.001-0.3440-13.60 
  Aragon, Ricardo 1517 GUA0.001-0.2040-8.00 
  Segura Cordero, Ariel 1254 CRC0.001-0.5340-21.20 
  Semana Ramirez, Jerian 1156 CRC0.501-0.1640-6.40 

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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