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Individual Calculations January 2022 |
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| Da Costa, Mariana Nara Santana Total change: 94.80 | |   |
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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 |
| 1484 | 1256 | 4.50 | 9 | 2.37 | 40 | 94.80 | |
|  Boutin Neto, Mauro Albano | | | 1587 | BRA | 1.00 | 1 | 0.88 | 40 | 35.20 | |  De Abreu, Vinicius Lindoso | | | 1581 | BRA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Venter, Paulo Regis | | | 1608 | BRA | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Ferreira, Erico Oliveira | | | 1264 | BRA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Bashtavenko, Aleksey | | | 1540 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Carneiro, Breno B. De Siqueira | | | 1587 | BRA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Cuco, Gustavo Henrique | | | 1153 | BRA | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Gomes, Joao Paulo Santos | | | 1521 | BRA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Martinez Flores, Matias | | | 1516 | MEX | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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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