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Individual Calculations October 2023 |
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| Serpa, Rafael Araujo Total change: 6.40 | |   |
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| Aberto Brasil III Niteroi Chess Open 2023 | Rio de Janeiro RJ | BRA | 2023-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2095 | 4.50 | 7 | 0.32 | 20 | 6.40 | |
|  Pereira, Armando Scharlau | | | 1695 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nunes, Agatha Hurba | | wf | 1845 | BRA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Da Silva, Paolo Ghiu M. Rego | | | 2154 | BRA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Dias, Matheus Braga | | | 1898 | BRA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Piccoli, Lucas Fonseca | | | 2220 | BRA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Nascimento, Daniel Rojas | | | 1909 | BRA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Filgueiras, Nathan Felipe | m | | 2328 | BRA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | * 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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