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Individual Calculations January 2022 |
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| Martins De Aguiar, Marina Total change: 21.40 | |   |
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| Panamerican Amateur Chess Championship 2021 Under 2000 Open | Timbo SC | BRA | 2021-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1772 | 5.00 | 9 | 1.07 | 20 | 21.40 | |
|  Mangialardo, Tiago Carvalho | | | 1931 | BRA | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Andreata, Mauro Antonio | | | 1652 | BRA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Pereira, Armando Scharlau | | | 1674 | BRA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Bassani, Jaison Jose | | | 1997 | BRA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Reis, Virginia Lagrange M. | | | 1699 | BRA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Zimmermann, Kleber Renato P. | c | | 1920 | BRA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Sperb, Eduardo Quintana | | | 1990 | BRA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Faris, Rafael De Araujo | | | 1707 | BRA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Vitis Topaz, Manuel | | | 1828 | CHI | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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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