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Individual Calculations October 2021 |
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| Somma, Andrea Total change: 4.40 | |   |
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| WE 3 Magna Grecia - A | Nova Siri | ITA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1851 | 1.50 | 5 | 0.05 | 20 | 1.00 | |
|  Zinnai, Graziano Matteo | | | 2112 | ITA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Piscopo, Pierluigi | m | | 2251 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Vertuccio, Roberto | | | 1819 | ITA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Festa, Giovanni | | | 1929 | ITA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Femiano, Andrea | | | 2031 | ITA | 0.00 | 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) | | | | CIS 2021 - Serie C Gironi 25 e 26 | Ercolano | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1851 | 1.00 | 2 | 0.17 | 20 | 3.40 | |
| | Tagliento, Francesco | | | 1699 | ITA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Rubino, Aniello | | | 2177 | ITA | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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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