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Individual Calculations September 2021 |
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| Pereira, Marcos Vinicius Ferreira Total change: 31.20 | |   |
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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 |
| 1667 | 1467 | 1.50 | 3 | 0.78 | 40 | 31.20 | |
|  Alves, Josue Pires | | | 1714 | BRA | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Quaresma, Givanildo Ribeiro | | | 1638 | BRA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Pires, Enzo Luis Albuquerque | | | 1650 | BRA | 1.00 | 1 | 0.74 | 40 | 29.60 | |
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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