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Individual Calculations January 2020 |
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| Da Silva, Roberto Cardoso Total change: 4.40 | |   |
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| Campeonato Marabaense de Xadrez STD 2019 | Maraba PA | BRA | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1893 | 1.50 | 3 | 0.22 | 20 | 4.40 | |
|  Almeida, Antonio Carlos Silva | | | 1817 | BRA | 0.50 | 1 | -0.10 | 20 | -2.00 | |  Do Nascimento, Pablo Salermo M. | | | 1920 | BRA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Chaves, Allysson Pereira | | | 2114 | BRA | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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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