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Individual Calculations June 2021 |
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| Perini, Leonardo Total change: 22.40 | |   |
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| CIG 2021 - CR Toscana U18 | Lucca | ITA | 2021-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1347 | 0.50 | 3 | 0.25 | 40 | 10.00 | |
|  Mongelluzzi, Alex | | | 1722 | ITA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Gabbani, Sara | | | 1747 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Mascia, Leonardo | | | 1747 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | WE Gran Mix Fondazione Cassa di Risparmio di Prato - B | Prato | ITA | 2021-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1347 | 2.50 | 4 | 0.31 | 40 | 12.40 | |
| | Ranaldi, Marco | | | 1102 | ITA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Bartoletti, Giulio | | | 1291 | ITA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Bernacchi, Paolo | | | 1323 | ITA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Mattia, Alessandro | | | 1516 | ITA | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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