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Individual Calculations September 2021 |
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| Marin, Mirela Total change: 29.60 | |   |
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| Open Summer | Empoli | ITA | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1056 | 1.50 | 4 | 0.74 | 40 | 29.60 | |
|  Cerina, Antonio | | | 1358 | ITA | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Gatta, Bruno | | | 1409 | BEL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Buzzi, Marina | | | 1252 | ITA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Liberatori, Gabriele | | | 1245 | ITA | 0.50 | 1 | 0.25 | 40 | 10.00 | |
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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