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Individual Calculations September 2023 |
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| Dos Santos, Joao Paulo Moreira Total change: 13.60 | |   |
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| VIII Aberto do Brasil de Xadrez Taca Cidade de Teresina | Teresina PI | BRA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1798 | 1.50 | 3 | 0.34 | 40 | 13.60 | |
|  Vieira, Jeziel Do Vale | | | 2019 | BRA | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Guimaraes, Marcelo Cunha | | | 2126 | BRA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sousa, Gerson Tajra | | | 1548 | BRA | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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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