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Individual Calculations January 2021 |
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| Marseglia, Serena Total change: -34.40 | |   |
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| WE 25 Memorial Roberto Magari - B | Siena | ITA | 2020-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1152 | 1240 | 0.50 | 1 | -0.12 | 20 | -2.40 | |
|  Giusti, Andrea | | | 1152 | ITA | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | WE 20 Grand Hotel Adriatico - C | Montesilvano | ITA | 2020-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1240 | 0.00 | 4 | -1.60 | 20 | -32.00 | |
|  Giri, Andrea | | | 1379 | ITA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Ricci Petitoni, Angelo | | | 1344 | ITA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Celati, Arturo | | | 1253 | ITA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Ciriolo, Lucio | | | 1279 | ITA | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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