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Individual Calculations December 2020 |
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| Mammi, Samuele Total change: -3.60 | |   |
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| OP 13 Giochi e ritorni | Modena | ITA | 2020-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1899 | 3.00 | 4 | -0.09 | 40 | -3.60 | |
|  Vaccari, Marco | | | 1499 * | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Giuntini, Enrico | | | 1910 | ITA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Garofalo, Sergio | | | 1643 | ITA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Mazilu, David Andrei | | | 1567 | ITA | 0.50 | 1 | -0.38 | 40 | -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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