Individual Calculations September 2009
 Romero Echeverria, Abigail  Total change: 15.45  Rating chartPersonal card
 XIV Grand Prix, 6ta. Parada "Fundacion de Guayaquil" Guayaquil ECU 2009-07-17
RcRownchangeKK*chgGame
 1965 2049 4.50 7 0.35 15 5.25 
  Rosales Murillo, Cristina 1658 ECU1.0010.09151.35 
  Orejuela Chango, Cristina 1845 ECU1.0010.24153.60 
  Grados Tarrillo, Luis 2184 PER0.001-0.3215-4.80 
  Villegas Reyes, Maria 1761 ECU1.0010.16152.40 
  Oblitas, Carlomagno m2449  * PER0.5010.42156.30 
  Martinez, Steven 1686 ECU1.0010.10151.50 
  Palma Moscoso, Alvaro 2169 ECU0.001-0.3415-5.10 
 * 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)
 
 Centroamericano y del Caribe Sub20 Femenino Medellin COL 2009-07-30
RcRownchangeKK*chgGame
 1999 2049 6.00 9 1.03 15 15.45 
  Howard, Corinne 1710 BAR0.001-0.8815-13.20 
  Figueroa, Julissa 1770 GUA1.0010.16152.40 
  Gutierrez, Leonela 1896 VEN1.0010.30154.50 
  Salazar, Aura Cristina wf2049 COL0.5010.00150.00 
  Chirivi C, Yenny Astrid wm2195 COL1.0010.701510.50 
  Esquivel De Leon, Aurora wm2008 MEX1.0010.44156.60 
  Heredia Serrano, Carla 2136 ECU0.5010.12151.80 
  Espinosa Garcia, Sandra wf2113 CUB1.0010.59158.85 
  Herrera, Milena wf2118 COL0.001-0.4015-6.00 

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)
 
 XX Panamericano Mar del Plata U18 Fem Mar del Plata ARG 2009-08-15
RcRownchangeKK*chgGame
 1973 2049 5.00 9 -0.35 15 -5.25 
  Mendoza, Samanta 1839 BOL1.0010.23153.45 
  Torres Cancino, Anita 1765 PER1.0010.16152.40 
  Fernandez, Maria Florencia 2191 ARG0.001-0.3115-4.65 
  Vasquez Alcala, Astrid 1901 VEN1.0010.30154.50 
  Aliaga Fernandez, Ingrid Y wf2089 PER0.001-0.4415-6.60 
  Estrada, Lucia wc1961 BOL0.501-0.1215-1.80 
  Orozco, Lina Yomayra 2148 COL0.5010.14152.10 
  Cordero, Daniela 1992 BOL1.0010.42156.30 
  McVay, Karsten 1872 USA0.001-0.7315-10.95 

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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