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Individual Calculations October 2021 |
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| Arini, Mario Total change: -19.20 | |   |
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| CIS 2021 - Serie Promozione Sicilia | Terrasini | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1323 | 1466 | 1.50 | 3 | -0.48 | 40 | -19.20 | |
|  D Arpa, Riccardo | | | 1480 | ITA | 0.00 | 1 | -0.48 | 40 | -19.20 | |  Pupella, Stefano Karol | | | 1094 | ITA | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Norrito, Salvatore | | | 1396 | 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) | | |
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