Individual Calculations January 2012
 Sanchez, Alvarez Roberto Carlos  Total change: 7.50  Rating chartPersonal card
 Panama Chess Open Panama PAN 2011-11-03
 2338 2394 5.50 9 0.50 15 7.50 
  Gonzalez, Yaribeth wc1994  * PAN1.0010.08151.20 
  Dalo, Hermes 2159 VEN1.0010.21153.15 
  Hevia Alejano, Carlos Antonio f2521 CUB0.001-0.3315-4.95 
  Valdes, Rances c2125 PAN1.0010.17152.55 
  Corrales Jimenez, Zenia wm2195 CUB1.0010.24153.60 
  Almeida, Quintana Omar g2538 CUB0.5010.19152.85 
  Corrales, Jimenez Fidel g2578 CUB0.5010.24153.60 
  Abreu Delgado, Aryam g2481 CUB0.5010.12151.80 
  Espinosa, Veloz Ermes f2452 CUB0.001-0.4215-6.30 
 * 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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