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Individual Calculations January 2022 |
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| Piekarski, Atila Balzer Total change: -12.00 | |   |
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| Panamerican Amateur Chess Championship 2021 Under 2300 Open | Timbo SC | BRA | 2021-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2044 | 4.50 | 9 | -0.30 | 40 | -12.00 | |
|  Gauche, Charles | f | | 2255 | BRA | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Dull, Amanda Paul | | | 1794 | BRA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Rodrigues Mota, Romulo Cardoso S | | | 2027 | BRA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Pinto Filho, Karline De Valesio | | | 2051 | BRA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Lage, Pedro Ferreira | | | 2129 | BRA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Medeiros, Thauane Ferreira | | | 1886 | BRA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Ribeiro, Erica De Jesus | | | 1644 * | BRA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Caetano, Ryan Wesley Da Costa | f | | 2226 | BRA | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Volkmann, Andre Jordi | | | 2060 | BRA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | * 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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