Individual Calculations February 2019
 Ramirez Madrid, Daniel Alberto  Total change: -28.40  Rating chartPersonal card
 Campeonato Nacional Infantil Absoluto Sub14 2019 San Jose CRC 2019-01-24
RcRownchangeKK*chgGame
 1221 1386 3.50 6 -0.71 40 -28.40 
  Rojas Mora, Maria Salvadora 1059 CRC1.0010.13405.20 
  Guevara Cornejo, Gabriel 1368 CRC0.001-0.5340-21.20 
  Rodriguez Retana, Sofia 1260 CRC0.001-0.6740-26.80 
  Rojas Mora, Jose Elias 1230 CRC0.501-0.2140-8.40 
  Frater Gonzalez, Gabriel 1335 CRC1.0010.434017.20 
  Alvarez Ugalde, Isaac 1073 CRC1.0010.14405.60 

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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