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Individual Calculations January 2022 |
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| Ferreira, Erico Oliveira Total change: 40.80 | |   |
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| Panamerican Amateur Chess Championship 2021 Under 1700 Open | Timbo SC | BRA | 2021-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1456 | 1264 | 3.00 | 7 | 1.02 | 40 | 40.80 | |
|  Romais, Rodrigo | | | 1594 | BRA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Sonnenhohl, Walter Evaldo Francis | | | 1664 * | BRA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Da Costa, Mariana Nara Santana | | | 1256 | BRA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Takano Ito, Raphael Kenzo | | | 1099 | BRA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Farias, Sergio Luiz Cardoso | | | 1537 | BRA | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Andrade, Moacir Belarmino F. | | | 1540 | BRA | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Luz, Christian Oliveira | | | 1499 | BRA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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