Individual Calculations July 2018
 Huertas Badilla, Allan  Total change: -25.60  Rating chartPersonal card
 Campeonato Nacional Clasico de Ajedrez por Equipos FCA 2018 San Jose CRC 2018-05-06
RcRownchangeKK*chgGame
 1945 1777 0.50 6 -1.28 20 -25.60 
  Fernandez Sibaja, Felipe J c2054 CRC0.001-0.1720-3.40 
  Salazar Gonzalo, Pablo 2093 CRC0.001-0.1320-2.60 
  Rodriguez Arrieta, Maria Elena wm1982 CRC0.001-0.2420-4.80 
  Murillo Tsijli, Manuel 2019 CRC0.001-0.2020-4.00 
  Del Cid Winter, Roberto 1676 CRC0.501-0.1420-2.80 
  Villagra Arce, Henry 1846 CRC0.001-0.4020-8.00 

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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