Individual Calculations September 2013
 Richards, Allon  Total change: -10.20  Rating chartPersonal card
 Campeonato Centroamericano y del Caribe Sub 20 Masculino 2013 San Salvador ESA 2013-08-08
RcRownchangeKK*chgGame
 2028 1916 1.50 6 -0.68 15 -10.20 
  Duran Vega, Sergio f2256 CRC0.001-0.1215-1.80 
  Fuentes, Adrian 2057 PAN0.001-0.3115-4.65 
  Rodriguez, Cristian A. 1868 ESA1.0010.43156.45 
  Aviles, Fernando 2061 NCA0.001-0.3115-4.65 
  Johnson, Joshua 1986 TRI0.5010.10151.50 
  Mejia, Lucio 1939 ESA0.001-0.4715-7.05 

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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