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Individual Calculations September 2011 |
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| Costa, Carlos Evanir Total change: 23.10 | |   |
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| II IRT CXG Convergencia 2011 | Rio de Janeiro/RJ | BRA | 2011-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2194 | 2.50 | 4 | -0.13 | 15 | -1.95 | |
|  Machado, Wallace Fernandes | | | 1891 | BRA | 1.00 | 1 | 0.14 | 15 | 2.10 | |  Zacarias, Rodrigo Medeiros | | | 2071 | BRA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Frota, Alvaro | | | 2074 | BRA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Mascarenhas, Alberto Pinheiro | f | | 2240 | BRA | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | Aberto do Brasil Xadrez Brasil Open 2011 | Rio de Janeiro/RJ | BRA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2194 | 4.00 | 5 | 1.76 | 15 | 26.40 | |
| | Borensztajn, David | | | 1994 | BRA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Teixeira, Ricardo Da Silva | f | | 2282 | BRA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Limp, Eduardo Thelio | m | | 2383 | BRA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Rego, Vinicius V De Almeida | | | 2273 | BRA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Dos Santos, Haroldo Cunha | | | 2224 | BRA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | | | Aberto do Brasil Xadrez Potiguar | Natal/RN | BRA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2194 | 4.50 | 6 | -0.09 | 15 | -1.35 | |
| | Dantas, Isaac Pereira | | | 1794 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Rocha, Vitor Firmo De Souza | | | 1871 | BRA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Barreto Filho, Carlos Alberto | f | | 2314 | BRA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Jordao Barbosa, Marcio | | | 1818 | BRA | 0.00 | 1 | -0.91 | 15 | -13.65 | | | Cabral, Denrick | | | 1935 | BRA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Braga, Jose Pereira | | | 2018 | BRA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | * 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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