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Individual Calculations June 2023 |
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| Chiari, Cosimo Total change: 48.40 | |   |
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| Torneo One day Round Robin di Prato - Girone 1 | Prato | ITA | 2023-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1739 | 3.50 | 5 | 0.68 | 40 | 27.20 | |
|  Mattia, Alessandro | | | 1715 | ITA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Del Giudice, Stefano | | | 1683 | ITA | 0.50 | 1 | -0.08 | 40 | -3.20 | |  Tacconi, Antonio | | | 1723 | ITA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Casini, Ivan | | | 1675 | ITA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Frigerio, Riccardo | | | 1666 | ITA | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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 2023 - Serie C Girone 6 | Campi Bisenzio | ITA | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1739 | 3.00 | 3 | 0.53 | 40 | 21.20 | |
| | Corti, Vittorio | | | 1430 | ITA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Sabatini, Luca | | | 1597 | ITA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Lucchesi, Matteo | | | 1339 * | ITA | 1.00 | 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) | | |
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