Individual Calculations January 2012
 Duarde Boabaid, Jorge Alberto  Total change: 20.70  Rating chartPersonal card
 2da Copa Latinoamericana de Ajedrez 2011 Montevideo URU 2011-11-01
 2168 1879 1.50 5 0.69 30 20.70 
  Fabian, Gaston f2279  * ARG0.001-0.0830-2.40 
  Leiva, Giuseppe f2183 PER0.001-0.1430-4.20 
  Cukerman, Diego 2133 URU0.001-0.1930-5.70 
  Crespo, Antonio Rogerio 2153 BRA0.5010.33309.90 
  Schuh, Astor Jose 2094 BRA1.0010.773023.10 
 * 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)


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