Individual Calculations January 2012
 Zepeda, Sonia  Total change: 16.95  Rating chartPersonal card
 Panama Chess Open Panama PAN 2011-11-03
RcRownchangeKK*chgGame
 2253 2049 2.00 6 0.50 15 7.50 
  Alvarez, Pedraza Aramis g2449  * CUB0.001-0.0815-1.20 
  Barros, Raul Junior f2263 COL1.0010.771511.55 
  Cu Hor, Winston Darwin f2215 GUA0.001-0.2815-4.20 
  Sanchez, Jorge f2178 PAN1.0010.671510.05 
  Contreras, Henry f2240 COL0.001-0.2515-3.75 
  Lochte, Thomas 2172 GER0.001-0.3315-4.95 
 * 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)
 
 III Campeonato Centroamericano y del Caribe Femenino "El Salvador 2011" San Salvador ESA 2011-12-14
RcRownchangeKK*chgGame
 1950 2049 5.00 7 0.63 15 9.45 
  Martinez Corpeno, Karla Beatriz 1750 ESA1.0010.15152.25 
  Lopez, Erika Esmeralda 1828 ESA1.0010.22153.30 
  Zepeda, Lorena wm2125 ESA0.5010.10151.50 
  Melendez, Gabriela wf1947 ESA1.0010.36155.40 
  Hernandez, Bera 1813 ESA1.0010.20153.00 
  Marrero Lopez, Yaniet wg2278 CUB0.001-0.2115-3.15 
  Sanchez, Ingrid wc1911 ESA0.501-0.1915-2.85 

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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