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Individual Calculations December 2018 |
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| Das Chagas, David Ferreira Total change: 4.00 | |   |
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| Campeonato Paranaense Absoluto de Xadrez 2018 | Curitiba PR | BRA | 2018-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1981 | 1.50 | 3 | 0.20 | 20 | 4.00 | |
|  Jaruga, Rodolfo Brandao De Proenc | | | 1619 | BRA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Cruz, William Ferreira Da | | | 2255 | BRA | 1.00 | 1 | 0.83 | 20 | 16.60 | |  Gonzalez, Bolivar Ribeiro | f | | 2196 | BRA | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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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