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Individual Calculations December 2023 |
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| Bortolotti, Alessandro Total change: -25.60 | |   |
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| CISU18 2023 - Finale U18 | Lignano Sabbiadoro | ITA | 2023-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1858 | 3.50 | 5 | -0.64 | 40 | -25.60 | |
|  Porcelli, Giuseppe | | | 1458 * | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Di Fabio, Sara | | | 1516 | ITA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Zhidkov, Aleksey | | | 1586 | ITA | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Seccia, Alessandro | | | 1777 | ITA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Marazza, Alessandro | | | 1499 | ITA | 0.50 | 1 | -0.40 | 40 | -16.00 | | | * 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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