Individual Calculations August 2023
 Chaves Villalobos, David G  Total change: -45.20  Rating chartPersonal card
 I Torneo Cerrado ABDA 2023 Heredia CRC 2023-06-24
RcRownchangeKK*chgGame
 1917 1944 1.50 7 -2.26 20 -45.20 
  Vega Araya, Edwin 1803 CRC1.0010.31206.20 
  Solano Cruz, Agustin c1911 CRC0.001-0.5520-11.00 
  Campos Sanchez, Roberto 1964 CRC0.001-0.4720-9.40 
  Minero Pineda, Boris 2038 CRC0.001-0.3720-7.40 
  Minero Pineda, Carlos 2009 CRC0.5010.09201.80 
  Solano Cordero, Jorge 1813 CRC0.001-0.6820-13.60 
  Mata Tencio, Randall 1882 CRC0.001-0.5920-11.80 

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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