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Individual Calculations January 2021 |
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| Bettalli, Marco Total change: -21.60 | |   |
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| WE 25 Memorial Roberto Magari - A | Siena | ITA | 2020-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2062 | 2.50 | 5 | -1.08 | 20 | -21.60 | |
|  Francioni, Marco | | | 1722 | ITA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Vuelban, Virgilio | m | | 2277 | PHI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Margareci, Massimo | | | 1662 * | ITA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Beliman, Alexandro | | | 1829 | ITA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Di Girolamo, Nicolo | | | 1864 | ITA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | * 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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