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Individual Calculations September 2021 |
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| Alves, Josue Pires Total change: 4.20 | |   |
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| Campeonato Amapaense de Xadrez Absoluto 2021 Etapa 2 | Macapa AP | BRA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1714 | 2.00 | 3 | 0.21 | 20 | 4.20 | |
|  Pereira, Marcos Vinicius Ferreira | | | 1467 | BRA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Teles, Elder De Oliveira | | | 1805 | BRA | 0.00 | 1 | -0.38 | 20 | -7.60 | |  Carvalho, Marcio Gomes | | | 1639 | BRA | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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