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Rapid:
Individual Calculations October 2021 |
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| Freitas, Robson Silva Total change: 9.40 | |   |
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| I Etapa do Circuito CXC de Xadrez RPD 2021 | Curitiba PR | BRA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1668 | 1.00 | 4 | 0.47 | 20 | 9.40 | |
|  Calcado, Acyr Rogerio | | | 2188 | BRA | 0.50 | 1 | 0.47 | 20 | 9.40 | | | Fernandes Filho, Bergson Fragoso | | | 2142 | BRA | 0.00 | 1 | -0.05 | 20 | -1.00 | |  Kruger, Israel | | | 1915 | BRA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Reis, Oseias Marcelino Dos | | | 1853 | BRA | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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