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Individual Calculations September 2021 |
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| Neres Da Silva, Marcio Total change: -5.20 | |   |
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| Semifinal 2 do Campeonato Piauiense de Xadrez 2021 | Teresina PI | BRA | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1879 | 1.00 | 2 | -0.13 | 40 | -5.20 | |
|  Ribeiro, Yuri Alisson Cavalcante | | | 1791 | BRA | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Silva, Ramon Domingos Cunha | | | 1870 | BRA | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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