Individual Calculations July 2009
 Pineda, Boris  Total change: -23.55  Rating chartPersonal card
 Primer Torneo Puntuable Masculino 2009 San Salvador ESA 2009-02-28
RcRownchangeKK*chgGame
 2044 2291 4.00 7 -1.57 15 -23.55 
  Mejia, Lucio 1941 ESA1.0010.11151.65 
  Merino, Maximiliano 2050 ESA0.501-0.3015-4.50 
  Mendez, Marlon 2020 ESA1.0010.17152.55 
  Guevara Sanchez, Erick Marvin f2192 ESA0.501-0.1415-2.10 
  Martinez, Nelson f2165 ESA0.001-0.6715-10.05 
  Tobar, Jorge 1995 ESA1.0010.15152.25 
  Argueta, Carlos 1946 ESA0.001-0.8915-13.35 

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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