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Rapid:
Individual Calculations August 2021 |
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| Costa, Richard Duarte Total change: -51.80 | |   |
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| Campeonato Amapaense de Xadrez RPD 2021 Etapa 3 | Macapa AP | BRA | 2021-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1746 | 0.00 | 4 | -2.59 | 20 | -51.80 | |
|  Quaresma, Givanildo Ribeiro | | | 1648 | BRA | 0.00 | 1 | -0.63 | 20 | -12.60 | |  Pereira, Marcos Vinicius Ferreira | | | 1621 | BRA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Porto, Silvio Alves Lima | | | 1655 | BRA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Gregorio, Joanderson Olimpio | | | 1623 | BRA | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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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