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Individual Calculations January 2022 |
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| Cordeiro, Marco Aurelio Zaror Total change: 12.60 | |   |
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| Panamerican Amateur Chess Championship 2021 Under 2300 Open | Timbo SC | BRA | 2021-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2152 | 6.50 | 9 | 0.63 | 20 | 12.60 | |
|  Medeiros, Thauane Ferreira | | | 1886 | BRA | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Silva, Juliana Figueira Theophilo | | | 1752 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Volkmann, Andre Jordi | | | 2060 | BRA | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Piccoli, Lucas Fonseca | | | 2065 | BRA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Caetano, Ryan Wesley Da Costa | f | | 2226 | BRA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Melo, Igor De Souza | | | 1752 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gauche, Charles | f | | 2255 | BRA | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Lage, Pedro Ferreira | | | 2129 | BRA | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Rodrigues Mota, Romulo Cardoso S | | | 2027 | BRA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * 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) | | |
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