Individual Calculations September 2009
 Guerrero Zambrano, Joel  Total change: -12.60  Rating chartPersonal card
 XIV Grand Prix, 6ta. Parada "Fundacion de Guayaquil" Guayaquil ECU 2009-07-17
RcRownchangeKK*chgGame
 2018 2074 4.50 7 0.56 15 8.40 
  Saltos Velez, Ilenia 1674  * ECU1.0010.08151.20 
  Leon Magallanes, Isaac 1881 ECU1.0010.25153.75 
  Santos Flores, Alberto m2313 ECU0.5010.30154.50 
  Oblitas, Carlomagno m2461 PER0.001-0.0915-1.35 
  Sarmiento Robles, Paula 1741 ECU1.0010.12151.80 
  Azua Avila, Vicente 1832 ECU1.0010.20153.00 
  Celis Sanchez, Carlos f2223 PER0.001-0.3015-4.50 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 XX Panamericano Mar del Plata U14 Abs Mar del Plata ARG 2009-08-15
RcRownchangeKK*chgGame
 1872 2074 3.00 6 -1.40 15 -21.00 
  Juarez, Facundo 1674  * ARG1.0010.08151.20 
  Quispe, Juan Gabriel 1906 BOL0.001-0.7215-10.80 
  Marson, Juan Miguel 1686 ARG0.001-0.9115-13.65 
  Pineiro, Dario 1962 ARG1.0010.35155.25 
  Gomez Garcia, Jose Santos 1948 MEX1.0010.33154.95 
  Rendon, Daniel 2054 COL0.001-0.5315-7.95 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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