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Rapid:
Individual Calculations July 2019 |
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| Costa, Americo Jose Total change: -17.20 | |   |
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| XIV Open da Arrentela | Seixal | POR | 2019-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1856 | 3.50 | 6 | -0.86 | 20 | -17.20 | |
|  Silva, Jose Antonio Duarte | | | 1456 * | POR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fidalgo, Daniel Neves | | | 1994 | POR | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Figueiredo, Mario | | | 1846 | POR | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Lopes, Antonio Pedro Moreira | | | 1484 | POR | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Palet, Armando Manuel Silva | | | 1620 | POR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Ershov, Andre Alexandre | | | 1456 * | POR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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