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Individual Calculations October 2021 |
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| Petti, Antonio Total change: -52.80 | |   |
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| CIS 2021 - Serie B Girone 2 | Alassio | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 2007 | 1.50 | 4 | -1.32 | 40 | -52.80 | |
|  Gatti, Stefano | | | 1670 | ITA | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Datteri, Matteo | | | 1810 | ITA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Tramalloni, Luca | | | 1943 | ITA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Accardo, Maurizio | | | 1938 | ITA | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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) | | |
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