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Rapid:
Individual Calculations December 2021 |
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| De Oliveira, John Richard Apareci Total change: -20.00 | |   |
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| 3o Jacarei Chess Open 8a Etapa XXII Circuito Vale-Paraibano de Xadrez RPD | Jacarei SP | BRA | 2021-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1589 | 0.00 | 2 | -1.00 | 20 | -20.00 | |
|  Van Riemsdijk, Dirk D. | | | 2103 | BRA | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Lora, Miguel Said Brasil | | | 1089 | BRA | 0.00 | 1 | -0.96 | 20 | -19.20 | |
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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