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Individual Calculations October 2021 |
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| Ricci Petitoni, Angelo Total change: -3.80 | |   |
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| CIS 2021 - Serie Promozione Emilia-Romagna Girone 1 | Forli' | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1325 | 1.00 | 2 | -0.19 | 20 | -3.80 | |
|  Bacci, Gioele | | | 1248 | ITA | 1.00 | 1 | 0.39 | 20 | 7.80 | |  Baracca Antonellini, Giada | | | 1265 | ITA | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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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