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Rapid:
Individual Calculations December 2018 |
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| Silva, Marisa Total change: 2.00 | |   |
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| Circuito Xadrez e Ciencia Viva 2018 - Porto | Porto | POR | 2018-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1265 | 1021 | 0.50 | 2 | 0.10 | 20 | 2.00 | |
|  Pedroso, Manuel | | | 1308 | POR | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Oliveira, Afonso Duarte Q | | | 1221 | POR | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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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