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Rapid:
Individual Calculations September 2023 |
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| Izak, Valentina Machado Total change: -37.60 | |   |
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| VIII Copa Pirai de Xadrez por Equipes | Pirai do Sul PR | BRA | 2023-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1075 | 1063 | 1.00 | 4 | -0.94 | 40 | -37.60 | |
|  Da Costa, Luis Antonio Fanckin | | | 1138 | BRA | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Goncalves, Rai Vieira | | | 1011 | BRA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Da Costa, Luis Antonio Fanckin | | | 1138 | BRA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Goncalves, Rai Vieira | | | 1011 | BRA | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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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