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Individual Calculations September 2021 |
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| Ferrara, Valeria Total change: -25.40 | |   |
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| Riga Technical University Open 2021 - Tournament B&Y | Riga | LAT | 2021-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1364 | 1382 | 2.00 | 6 | -1.27 | 20 | -25.40 | |
|  Osis, Renars | | | 1782 * | LAT | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Warnk, Torsten | | | 1782 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Plauca, Lelde | | | 1019 | LAT | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Krasilnikova, Marija | | | 1180 | LAT | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Mielcuch, Karol | | | 1237 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Varpins, Kristians | | | 1184 | LAT | 0.00 | 1 | -0.76 | 20 | -15.20 | | | * 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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