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Individual Calculations January 2023 |
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| Grabova, Ervin Total change: -33.40 | |   |
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| WE 2 Hotel Donatello - B | Imola | ITA | 2022-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1769 | 1.50 | 4 | -1.67 | 20 | -33.40 | |
|  Cappellari, Mario | | | 1602 | ITA | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Silvestri, Carlo | | | 1532 | ITA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Marroni, Valerio | | | 1565 | ITA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Boaron, Arianna | | | 1422 | ITA | 0.00 | 1 | -0.89 | 20 | -17.80 | |
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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