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Individual Calculations January 2022 |
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| Do Amaral Vailant, Helena Kether Total change: 30.00 | |   |
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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 |
| 1609 | 1467 | 4.00 | 8 | 1.50 | 20 | 30.00 | |
|  Sonnenhohl, Walter Evaldo Francis | | | 1669 | BRA | 1.00 | 1 | 0.76 | 20 | 15.20 | |  Romais, Rodrigo | | | 1594 | BRA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Sarda, Pedro Sada | c | | 1637 | BRA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Farias, Sergio Luiz Cardoso | | | 1537 | BRA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Ferreira, Angelo Augusto Pacheco | | | 1614 | BRA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Andrade, Moacir Belarmino F. | | | 1540 | BRA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Zaak Saraiva, Victor Romario Alve | | | 1693 | BRA | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Carneiro, Breno B. De Siqueira | | | 1587 | BRA | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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