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Individual Calculations January 2011 |
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| Martins, Vilker Germano Total change: -19.95 | |   |
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| Xadrez Brasil Open 2010 | Brasilia/DF | BRA | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 1923 | 1.00 | 4 | -0.11 | 15 | -1.65 | |
|  Aguiar, Lucas | | | 2088 | BRA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Sales Filho, Espedito Severiano | | | 2087 | BRA | 1.00 | 1 | 0.72 | 15 | 10.80 | |  Baeta, Marcio Netto | | | 2221 | BRA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Vieira Junior, Emivaldo | | | 1995 | BRA | 0.00 | 1 | -0.40 | 15 | -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) | | | | IRT de Natal 2010 | Brasilia/DF | BRA | 2010-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1923 | 1.00 | 5 | -1.22 | 15 | -18.30 | |
| | Reis, Ernesto Guevara B. | | | 1940 | BRA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Aguiar, Lucas | | | 2088 | BRA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Oliveira, Maicon Almeida De | | | 1965 | BRA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Cardoso Jr, Cicero Assuncao | | | 1887 | BRA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Cavalcante, Rodrigo Moreira | | | 1941 | BRA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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