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Individual Calculations July 2021 |
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| Pereira, Marcos Vinicius Ferreira Total change: 20.40 | |   |
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| Campeonato Amapaense de Xadrez Absoluto 2021 Etapa 1 | Macapa AP | BRA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 1447 | 1.00 | 3 | 0.51 | 40 | 20.40 | |
|  Viana, Aline Nascimento | | | 1679 | BRA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Teles, Elder De Oliveira | | | 1810 | BRA | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Carvalho, Marcio Gomes | | | 1707 | BRA | 1.00 | 1 | 0.82 | 40 | 32.80 | |
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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