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Individual Calculations January 2022 |
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| Gomes, Joao Paulo Santos Total change: -29.20 | |   |
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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 |
| 1346 | 1521 | 3.00 | 6 | -1.17 | 20 | -23.40 | |
|  Montiel Caceres, Helen | | | 1617 | PAR | 0.00 | 1 | -0.37 | 20 | -7.40 | |  Sarda, Joao Sada | | | 1215 | BRA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ferreira, Angelo Augusto Pacheco | | | 1614 | BRA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Da Costa, Evelyn Maria Fuck | | | 1239 | BRA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Da Costa, Mariana Nara Santana | | | 1256 | BRA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Ramos, Fernanda Cabreira | | | 1137 | BRA | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | Aberto do Brasil STD 2021 Etapa Taubate | Taubate SP | BRA | 2021-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1521 | 0.00 | 3 | -0.29 | 20 | -5.80 | |
| | Rodrigues Mota, Romulo Cardoso S | | | 1921 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kruger, Israel | | | 1883 | BRA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Cymbalista, Eduardo Cymrot | | | 1867 | BRA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | * 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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