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Individual Calculations September 2021 |
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| Deus Filho, Joaquim De Total change: -41.00 | |   |
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| I IRT sub 2200 Clube Goias Brasiliense de Xadrez | Jatai GO | BRA | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1909 | 2.50 | 5 | -1.13 | 20 | -22.60 | |
|  Do Amaral Vailant, Helena Kether | | | 1509 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Bocca, Edson Ricardo | | | 1631 | BRA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Costa, Paulo Sergio | | | 1724 | BRA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Castro Silva, Alex | | | 1973 | BRA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Franca Junior, Jairo | | | 1736 | BRA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | * 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) | | | | III IRT Imperio do Xadrez de Jacarei U2200 STD | Sao Jose dos Campos SP | BRA | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1909 | 2.50 | 4 | -0.96 | 20 | -19.20 | |
| | Casalaspro, Mathias Andre | | | 1509 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Carvalho, Vitor Augusto Poncia | | | 1683 | BRA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Marinho, Adriano | | | 1510 | BRA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Pinto, Ana Vitoria | | | 1637 | BRA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * 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) | | | | I Aberto Brasil de Bom Jesus do Itabapoana 2021 | Bom Jesus do Itabapoana | BRA | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1909 | 2.00 | 4 | 0.04 | 20 | 0.80 | |
| | Guimaraes, Diogo Duarte | f | | 2248 | BRA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Lima, Stefan Moisei Vieira | | | 1580 | BRA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Pereira, Marcos Luciano Martins | | | 1732 | BRA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Lage, Pedro Ferreira | | | 2124 | BRA | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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) | | |
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