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Individual Calculations June 2019 |
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| De Araujo, Antonio Jose Total change: -3.80 | |   |
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| Campeonato Norte-Nordeste Amador de Xadrez STD sub-1600 - 2019 | Fortaleza CE | BRA | 2019-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1563 | 1485 | 1.00 | 3 | -0.18 | 20 | -3.60 | |
|  Gomes, Carlos | | | 1559 | BRA | 1.00 | 1 | 0.60 | 20 | 12.00 | |  Miranda, Marina Lima | | | 1566 | BRA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Carneiro, Breno B. De Siqueira | | | 1564 | BRA | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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) | | | | Campeonato Potiguar Interiorano de Xadrez 2019 | Santa Cruz RN | BRA | 2019-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1485 | 1.00 | 3 | -0.01 | 20 | -0.20 | |
| | Frankental, David | | | 1885 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rocha, Vitor Firmo De Souza | | | 1885 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Da Silva Pinto, Maria Cecilia | | | 1193 | BRA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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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