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Individual Calculations October 2021 |
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| Marrocco, Silvio Total change: 2.60 | |   |
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| CIS 2021 - Serie Promozione Toscana Girone 2 | Poggibonsi | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 1760 | 1.50 | 2 | 0.13 | 20 | 2.60 | |
|  Sozzi, Gianluca | | | 1446 | ITA | 0.50 | 1 | -0.36 | 20 | -7.20 | |  La Rana, Marcello | | | 1754 | ITA | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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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